{"product_id":"optima-yellowtop-d51r-12v-38ah-450cca-agm-deep-cycle-battery","title":"Yellowtop D51R 450CCA 38Ah Deep Cycle Battery","description":"\u003cdiv style=\"font-weight: 700;\"\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e🔋 OPTIMA YELLOWTOP D51R AGM DEEP CYCLE BATTERY – 12V 450CCA 38AH\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDual-Purpose AGM Battery – Reverse Terminal Layout, 450CCA Starting Power, 38Ah C20 Capacity, 66-Minute Reserve Capacity \u0026amp; SpiralCell Technology\u003c\/h3\u003e\n\n\u003cp\u003e🚗 Designed for vehicles with higher electrical demands, the Optima YELLOWTOP D51R AGM Deep Cycle Battery combines deep-cycle capability with dependable starting support in a compact 12V AGM battery.\u003c\/p\u003e\n\n\u003cp\u003eThe YELLOWTOP D51R is a dual-purpose battery designed for applications where the battery may need to support both engine starting and repeated accessory loads. With 450CCA, 38Ah C20 capacity and approximately 66 minutes of reserve capacity at 25A, it is suited to compatible cars, trucks and other vehicle installations requiring more than conventional starting-battery performance.\u003c\/p\u003e\n\n\u003cp\u003eThe D51R is the reverse-terminal version of the D51, making terminal orientation an important fitment consideration. Before purchase, confirm that the positive and negative post positions match the vehicle’s battery-cable layout.\u003c\/p\u003e\n\n\u003cp\u003eOptima’s SpiralCell Technology uses 99.99% pure lead and spiral-wound construction to support consistent power delivery, strong vibration resistance and faster recharging.\u003c\/p\u003e\n\n\u003cp\u003eIts AGM construction is maintenance free and non-spillable, while the supplied product information states that YELLOWTOP batteries can provide up to three times longer service life and up to 15 times greater vibration resistance than standard flooded batteries under applicable operating conditions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚡ KEY FEATURES\u003c\/h3\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔋 Dual-Purpose AGM Design\u003c\/span\u003e\u003cbr\u003e\nDesigned to provide both starting support and deep-cycle performance in compatible high-demand vehicle applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔁 Reverse Terminal D51R Layout\u003c\/span\u003e\u003cbr\u003e\nThe D51R is the reverse-terminal version of the D51, so terminal orientation should be checked carefully before installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⚡ 450CCA Starting Power\u003c\/span\u003e\u003cbr\u003e\nProvides dependable cranking performance for compatible 12V starting systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔌 38Ah C20 Capacity\u003c\/span\u003e\u003cbr\u003e\nProvides useful stored energy for vehicle accessories and higher electrical loads.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⏳ 66-Minute Reserve Capacity\u003c\/span\u003e\u003cbr\u003e\nSupplied reserve capacity is approximately 66 minutes at a 25A load.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🌀 SpiralCell Technology\u003c\/span\u003e\u003cbr\u003e\nOptima’s spiral-wound internal construction is designed for consistent electrical output and durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🧪 99.99% Pure Lead\u003c\/span\u003e\u003cbr\u003e\nThe supplied product information specifies 99.99% pure lead within the SpiralCell construction.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🛡️ AGM Construction\u003c\/span\u003e\u003cbr\u003e\nAbsorbent Glass Mat technology provides maintenance-free and non-spillable operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔄 Faster Recharging\u003c\/span\u003e\u003cbr\u003e\nDesigned with strong charge acceptance for demanding vehicle electrical systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e💪 Strong Vibration Resistance\u003c\/span\u003e\u003cbr\u003e\nThe supplied information states up to 15 times greater vibration resistance than standard flooded batteries.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⏱️ Extended Service-Life Design\u003c\/span\u003e\u003cbr\u003e\nThe supplied information states service life of up to three times that of standard flooded batteries under applicable conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🧰 Maintenance Free\u003c\/span\u003e\u003cbr\u003e\nNo routine electrolyte topping-up or fluid maintenance is required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e💧 Non-Spillable AGM Design\u003c\/span\u003e\u003cbr\u003e\nThe supplied product information describes the YELLOWTOP D51R as completely non-spillable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e↔️ Flexible Mounting\u003c\/span\u003e\u003cbr\u003e\nThe battery can be mounted in many positions according to the supplied information, subject to correct fitment and installation requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🚙 High Electrical Demand Applications\u003c\/span\u003e\u003cbr\u003e\nDesigned for compatible vehicles carrying greater electrical loads or requiring deeper cycling capability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🚦 Start-Stop Application Potential\u003c\/span\u003e\u003cbr\u003e\nThe supplied information identifies compatible start-stop applications as a possible use, subject to confirming the exact vehicle battery specification.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔁 D51R REVERSE TERMINAL CONFIGURATION\u003c\/h3\u003e\n\n\u003cp\u003eThe D51R is the reverse-terminal version of the YELLOWTOP D51.\u003c\/p\u003e\n\n\u003cp\u003eThis means terminal orientation is a critical part of correct battery fitment.\u003c\/p\u003e\n\n\u003cp\u003eBefore purchase or installation, compare the positive and negative terminal positions with the existing battery and vehicle cable arrangement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: A D51 and D51R may share similar electrical specifications and dimensions, but terminal orientation can differ. Confirm the required positive and negative post positions before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔋 DUAL-PURPOSE STARTING \u0026amp; DEEP-CYCLE PERFORMANCE\u003c\/h3\u003e\n\n\u003cp\u003eThe Optima YELLOWTOP D51R is designed differently from a conventional starting-only battery.\u003c\/p\u003e\n\n\u003cp\u003eIts dual-purpose design allows it to provide engine-starting support while also tolerating repeated electrical loads more effectively than a battery intended purely for short starting bursts.\u003c\/p\u003e\n\n\u003cp\u003eThis makes it useful for compatible vehicles equipped with additional accessories or systems that place greater demand on the battery.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚡ 450CCA STARTING POWER\u003c\/h3\u003e\n\n\u003cp\u003eCold Cranking Amps: 450CCA\u003c\/p\u003e\n\n\u003cp\u003eThe supplied 450CCA rating provides starting support for compatible vehicle applications while retaining the battery’s deep-cycle capabilities.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Confirm the vehicle manufacturer’s minimum CCA requirement before selecting a replacement battery.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔌 38AH C20 CAPACITY\u003c\/h3\u003e\n\n\u003cp\u003eSupplied C20 capacity: 38Ah\u003c\/p\u003e\n\n\u003cp\u003eThe C20 rating represents battery capacity measured over a 20-hour discharge test under specified conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis stored-energy capacity allows the D51R to support compatible accessory loads and higher-demand vehicle electrical systems in addition to starting duties.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⏳ 66-MINUTE RESERVE CAPACITY\u003c\/h3\u003e\n\n\u003cp\u003eSupplied reserve capacity at 25A: Approximately 66 minutes\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity indicates how long the battery can supply a specified load under the relevant test conditions.\u003c\/p\u003e\n\n\u003cp\u003eActual operating time will vary according to electrical load, temperature, battery condition and state of charge.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🌀 OPTIMA SPIRALCELL TECHNOLOGY\u003c\/h3\u003e\n\n\u003cp\u003eOptima YELLOWTOP batteries use SpiralCell Technology rather than conventional flat-plate construction.\u003c\/p\u003e\n\n\u003cp\u003eThe supplied product information identifies:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSpiral-wound cell construction\u003c\/li\u003e\n  \u003cli\u003e99.99% pure lead\u003c\/li\u003e\n  \u003cli\u003eStrong starting performance\u003c\/li\u003e\n  \u003cli\u003eDeep-cycle capability\u003c\/li\u003e\n  \u003cli\u003eConsistent power delivery\u003c\/li\u003e\n  \u003cli\u003eStrong vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe spiral construction is designed to provide a robust internal structure suitable for demanding automotive use.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🛡️ AGM – ABSORBENT GLASS MAT CONSTRUCTION\u003c\/h3\u003e\n\n\u003cp\u003eThe YELLOWTOP D51R uses AGM battery technology.\u003c\/p\u003e\n\n\u003cp\u003eAGM construction retains the electrolyte within absorbent glass mat separators rather than leaving free-flowing liquid inside the battery case.\u003c\/p\u003e\n\n\u003cp\u003eThis supports:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMaintenance-free operation\u003c\/li\u003e\n  \u003cli\u003eNon-spillable construction\u003c\/li\u003e\n  \u003cli\u003eDeep-cycle performance\u003c\/li\u003e\n  \u003cli\u003eStrong vibration resistance\u003c\/li\u003e\n  \u003cli\u003eFlexible installation options\u003c\/li\u003e\n  \u003cli\u003eHigh-current delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e💪 HIGH VIBRATION RESISTANCE\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information states that Optima YELLOWTOP batteries can be up to 15 times more vibration resistant than standard flooded batteries.\u003c\/p\u003e\n\n\u003cp\u003eThis can make the D51R particularly useful in compatible vehicles exposed to rough roads, vibration and demanding operating environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Strong vibration resistance does not eliminate the need for a secure battery tray and appropriate hold-down system.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⏱️ LONG-LIFE DESIGN\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied information states that YELLOWTOP batteries are designed to provide up to three times longer service life than standard flooded batteries under applicable conditions.\u003c\/p\u003e\n\n\u003cp\u003eActual battery service life will vary according to factors including:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDepth of discharge\u003c\/li\u003e\n  \u003cli\u003eCharging-system performance\u003c\/li\u003e\n  \u003cli\u003eOperating temperature\u003c\/li\u003e\n  \u003cli\u003eElectrical load\u003c\/li\u003e\n  \u003cli\u003eFrequency of cycling\u003c\/li\u003e\n  \u003cli\u003eStorage conditions\u003c\/li\u003e\n  \u003cli\u003eInstallation quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔄 FAST RECHARGE CAPABILITY\u003c\/h3\u003e\n\n\u003cp\u003eThe YELLOWTOP D51R is designed with faster recharge capability to help restore stored energy after starting or accessory use.\u003c\/p\u003e\n\n\u003cp\u003eThis is particularly useful in high-demand vehicle systems where the battery may be cycled more frequently.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Ensure the vehicle alternator, charger or battery-management system is suitable for AGM battery charging requirements.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚦 START-STOP APPLICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information identifies compatible start-stop applications among the possible uses for the YELLOWTOP D51R.\u003c\/p\u003e\n\n\u003cp\u003eHowever, start-stop vehicles can have specific requirements relating to battery chemistry, capacity, CCA, terminal layout, battery monitoring and replacement procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Do not assume the YELLOWTOP D51R is suitable for every start-stop vehicle. Confirm the exact factory battery specification and vehicle requirements before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔌 DESIGNED FOR HIGH ELECTRICAL DEMANDS\u003c\/h3\u003e\n\n\u003cp\u003eThe YELLOWTOP range is designed for applications where electrical loads can exceed those of a basic starting-only vehicle system.\u003c\/p\u003e\n\n\u003cp\u003eCompatible uses may include vehicles fitted with:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🎧 Audio systems\u003c\/li\u003e\n  \u003cli\u003e💡 Additional lighting\u003c\/li\u003e\n  \u003cli\u003e🔌 Electrical accessories\u003c\/li\u003e\n  \u003cli\u003e⚡ Higher standby electrical loads\u003c\/li\u003e\n  \u003cli\u003e🚦 Compatible start-stop systems\u003c\/li\u003e\n  \u003cli\u003e🔋 Applications requiring repeated battery cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eActual suitability depends on the complete battery, charging and electrical-system design.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🧰 MAINTENANCE-FREE OPERATION\u003c\/h3\u003e\n\n\u003cp\u003eThe AGM design eliminates the routine electrolyte topping-up associated with serviceable flooded batteries.\u003c\/p\u003e\n\n\u003cp\u003eThis provides convenient maintenance-free operation under normal use.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e💧 NON-SPILLABLE CONSTRUCTION\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information describes the YELLOWTOP D51R as completely non-spillable.\u003c\/p\u003e\n\n\u003cp\u003eThis provides greater installation flexibility than conventional flooded batteries containing free liquid electrolyte.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Always follow the battery and vehicle manufacturer’s requirements for battery orientation, restraint, ventilation and installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔩 SAE TYPE A TERMINALS\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied terminal type is:\u003c\/p\u003e\n\n\u003cp\u003eSAE – Type A\u003c\/p\u003e\n\n\u003cp\u003eThe D51R’s reverse-terminal orientation makes it particularly important to confirm positive and negative post positions before installation.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚗 SUITABLE APPLICATIONS\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🚗 Compatible cars\u003c\/li\u003e\n  \u003cli\u003e🛻 Compatible trucks and light commercial vehicles\u003c\/li\u003e\n  \u003cli\u003e🚦 Compatible start-stop vehicles\u003c\/li\u003e\n  \u003cli\u003e🔌 Vehicles with higher electrical loads\u003c\/li\u003e\n  \u003cli\u003e🔋 Deep-cycle automotive applications\u003c\/li\u003e\n  \u003cli\u003e🎧 Vehicle audio and accessory systems\u003c\/li\u003e\n  \u003cli\u003e🛠️ High-vibration environments\u003c\/li\u003e\n  \u003cli\u003e🔧 Compatible AGM replacement-battery applications\u003c\/li\u003e\n  \u003cli\u003e🔁 Applications requiring the D51R reverse-terminal configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Vehicle category alone does not confirm fitment. Battery dimensions, terminal orientation, polarity, hold-down arrangement, CCA, capacity and charging-system requirements must all be checked.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📏 DIMENSIONS \u0026amp; WEIGHT\u003c\/h3\u003e\n\n\u003cp\u003eLength: Approximately 236.5mm \/ 23.65cm\u003c\/p\u003e\n\n\u003cp\u003eWidth: Approximately 128.5mm \/ 12.85cm\u003c\/p\u003e\n\n\u003cp\u003eHeight: Approximately 227.1mm \/ 22.71cm\u003c\/p\u003e\n\n\u003cp\u003eWeight: Approximately 12.75kg\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📋 TECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eBrand: Optima\u003c\/p\u003e\n\n\u003cp\u003eProduct: YELLOWTOP D51R AGM Deep Cycle Battery\u003c\/p\u003e\n\n\u003cp\u003eModel: D51R\u003c\/p\u003e\n\n\u003cp\u003eBattery range: YELLOWTOP\u003c\/p\u003e\n\n\u003cp\u003eApplication: Car \/ Truck\u003c\/p\u003e\n\n\u003cp\u003eBattery application: Dual-purpose starting and deep cycle\u003c\/p\u003e\n\n\u003cp\u003eBattery chemistry: AGM\u003c\/p\u003e\n\n\u003cp\u003eCell technology: SpiralCell\u003c\/p\u003e\n\n\u003cp\u003eSupplied lead purity: 99.99%\u003c\/p\u003e\n\n\u003cp\u003eNominal voltage: 12V\u003c\/p\u003e\n\n\u003cp\u003eCold Cranking Amps: 450CCA\u003c\/p\u003e\n\n\u003cp\u003eC20 capacity: 38Ah\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity at 25A: Approximately 66 minutes\u003c\/p\u003e\n\n\u003cp\u003eTerminal type: SAE – Type A\u003c\/p\u003e\n\n\u003cp\u003eTerminal configuration: Reverse-terminal D51R layout\u003c\/p\u003e\n\n\u003cp\u003eMaintenance: Maintenance free\u003c\/p\u003e\n\n\u003cp\u003eSpill protection: Non-spillable AGM construction\u003c\/p\u003e\n\n\u003cp\u003eMounting: Mountable in many positions according to supplied product information\u003c\/p\u003e\n\n\u003cp\u003eRecharge characteristic: Faster recharging capability\u003c\/p\u003e\n\n\u003cp\u003eSupplied vibration-resistance claim: Up to 15 times greater than standard flooded batteries\u003c\/p\u003e\n\n\u003cp\u003eSupplied service-life claim: Up to 3 times longer than standard flooded batteries\u003c\/p\u003e\n\n\u003cp\u003eLength: Approximately 236.5mm\u003c\/p\u003e\n\n\u003cp\u003eWidth: Approximately 128.5mm\u003c\/p\u003e\n\n\u003cp\u003eHeight: Approximately 227.1mm\u003c\/p\u003e\n\n\u003cp\u003eWeight: Approximately 12.75kg\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚠️ FITMENT CHECKLIST\u003c\/h3\u003e\n\n\u003cp\u003eBefore purchasing the Optima YELLOWTOP D51R, confirm the battery matches the physical, electrical and charging requirements of your vehicle.\u003c\/p\u003e\n\n\u003cp\u003eCheck:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e12V electrical-system compatibility\u003c\/li\u003e\n  \u003cli\u003eCorrect D51R reverse-terminal orientation\u003c\/li\u003e\n  \u003cli\u003ePositive terminal location\u003c\/li\u003e\n  \u003cli\u003eNegative terminal location\u003c\/li\u003e\n  \u003cli\u003eRequired battery dimensions\u003c\/li\u003e\n  \u003cli\u003eAvailable battery-tray space\u003c\/li\u003e\n  \u003cli\u003eBattery hold-down style\u003c\/li\u003e\n  \u003cli\u003eSAE Type A terminal compatibility\u003c\/li\u003e\n  \u003cli\u003eBattery-cable reach\u003c\/li\u003e\n  \u003cli\u003eRequired CCA rating\u003c\/li\u003e\n  \u003cli\u003eRequired Ah capacity\u003c\/li\u003e\n  \u003cli\u003eRequired reserve capacity\u003c\/li\u003e\n  \u003cli\u003eAGM charging-system compatibility\u003c\/li\u003e\n  \u003cli\u003eFactory start-stop battery requirements where applicable\u003c\/li\u003e\n  \u003cli\u003eBattery monitoring or registration requirements where applicable\u003c\/li\u003e\n  \u003cli\u003eVehicle manufacturer battery specification\u003c\/li\u003e\n  \u003cli\u003eRequired starting and deep-cycle duty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: The D51R is the reverse-terminal version of the D51. Confirm the terminal orientation before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: A matching physical battery size does not automatically confirm vehicle compatibility. Check the complete electrical and fitment specification before installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Not all start-stop systems use the same battery specification. Confirm compatibility before replacing an original start-stop battery.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Secure the battery using an appropriate battery tray and restraint system before operating the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📦 WHAT’S INCLUDED?\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🔋 1 × Optima YELLOWTOP D51R AGM Deep Cycle Battery – 12V 450CCA 38Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e❓ FREQUENTLY ASKED QUESTIONS\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the Optima YELLOWTOP D51R?\u003c\/h3\u003e\n\n\u003cp\u003eThe YELLOWTOP D51R is a 12V dual-purpose AGM battery designed to provide both starting support and deep-cycle performance in compatible high-demand automotive applications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the difference between the D51 and D51R?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information identifies the D51R as the reverse-terminal version of the D51. Confirm positive and negative terminal positions before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhy does terminal orientation matter?\u003c\/h3\u003e\n\n\u003cp\u003eThe battery cables must be able to reach the correct positive and negative posts without being stretched, crossed or incorrectly connected. The D51R should only be used where its terminal arrangement matches the intended installation.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the YELLOWTOP D51R a deep-cycle battery?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The supplied product information identifies it as an AGM deep-cycle battery with dual-purpose capability for applications also requiring starting support.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the D51R also start an engine?\u003c\/h3\u003e\n\n\u003cp\u003eYes. It carries a supplied starting rating of 450CCA for compatible applications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow many CCA does the YELLOWTOP D51R provide?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied cold-cranking rating is 450CCA.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the battery capacity?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied C20 capacity is 38Ah.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the reserve capacity?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied reserve capacity is approximately 66 minutes at a 25A load.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it a 12V battery?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The supplied nominal voltage is 12V.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the YELLOWTOP D51R AGM?\u003c\/h3\u003e\n\n\u003cp\u003eYes. It uses Absorbent Glass Mat battery construction.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is SpiralCell Technology?\u003c\/h3\u003e\n\n\u003cp\u003eSpiralCell is Optima’s spiral-wound internal cell construction designed to provide strong power delivery, deep-cycle capability and durability.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow pure is the lead?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information specifies 99.99% pure lead.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the battery maintenance free?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Routine electrolyte topping-up is not required.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it non-spillable?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The supplied information describes the AGM construction as completely non-spillable.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the D51R be mounted in different positions?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied information states that it can be mounted in many positions. Installation must still comply with the battery and vehicle manufacturer’s requirements.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the YELLOWTOP D51R vibration resistant?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The supplied information states up to 15 times greater vibration resistance than standard flooded batteries.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDoes it have a longer service life than a standard flooded battery?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied information states service life of up to three times longer than standard flooded batteries under applicable conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDoes it recharge quickly?\u003c\/h3\u003e\n\n\u003cp\u003eFaster recharging capability is listed among the supplied YELLOWTOP product benefits.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for high electrical loads?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The YELLOWTOP D51R is specifically positioned for compatible vehicles with higher electrical demands.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan it support vehicle accessories?\u003c\/h3\u003e\n\n\u003cp\u003eIts deep-cycle capability can make it suitable for compatible accessory loads, subject to the total electrical load, battery capacity and charging-system design.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for car audio systems?\u003c\/h3\u003e\n\n\u003cp\u003eAudio and accessory power systems are included among the supplied applications, subject to correct battery and charging-system sizing.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan it be used in a start-stop vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied information includes compatible start-stop applications. However, the exact factory battery specification must be checked because not all start-stop vehicles use the same battery type or rating.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan I replace any start-stop battery with a D51R?\u003c\/h3\u003e\n\n\u003cp\u003eNo. Confirm battery chemistry, physical dimensions, CCA, capacity, reverse-terminal layout and any battery-management or registration requirements before replacement.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat terminal type does it use?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied specification lists SAE Type A terminals.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eAre the terminals reversed compared with a D51?\u003c\/h3\u003e\n\n\u003cp\u003eYes. The supplied information specifically identifies the D51R as the reverse-terminal version of the D51.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow long is the YELLOWTOP D51R?\u003c\/h3\u003e\n\n\u003cp\u003eApproximately 236.5mm.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow wide is it?\u003c\/h3\u003e\n\n\u003cp\u003eApproximately 128.5mm.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow tall is it?\u003c\/h3\u003e\n\n\u003cp\u003eApproximately 227.1mm.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow much does it weigh?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied weight is approximately 12.75kg.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for a car?\u003c\/h3\u003e\n\n\u003cp\u003eYes, compatible car applications are included in the supplied information, provided the complete battery specification and terminal orientation match the vehicle.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for a truck?\u003c\/h3\u003e\n\n\u003cp\u003eCompatible truck applications are also included in the supplied information, subject to correct voltage, physical fitment, terminal orientation and starting requirements.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for high-vibration environments?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Strong vibration resistance is one of the supplied YELLOWTOP benefits, but the battery must still be securely restrained.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan I use the D51R purely as an auxiliary battery?\u003c\/h3\u003e\n\n\u003cp\u003eIts deep-cycle design can support compatible auxiliary-style loads, but suitability depends on the required capacity, discharge depth, charging system and expected runtime.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan I substitute a D51 for a D51R?\u003c\/h3\u003e\n\n\u003cp\u003eNot automatically. The key supplied difference is terminal orientation. Confirm which layout your vehicle requires before substituting one model for the other.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat should I check before ordering?\u003c\/h3\u003e\n\n\u003cp\u003eConfirm the D51R reverse-terminal arrangement, physical dimensions, 450CCA requirement, 38Ah capacity, reserve capacity, SAE terminals, polarity, battery tray, hold-down arrangement, AGM charging compatibility and the vehicle manufacturer’s battery specification.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat comes with the battery?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied package contents list one Optima YELLOWTOP D51R AGM Deep Cycle Battery rated at 12V, 450CCA and 38Ah.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e🔋 DUAL-PURPOSE AGM POWER WITH THE D51R REVERSE TERMINAL LAYOUT\u003c\/h2\u003e\n\n\u003cp\u003eChoose the Optima YELLOWTOP D51R when you need a compact AGM battery capable of supporting dependable starting and deeper cycling while matching a compatible reverse-terminal installation.\u003c\/p\u003e\n\n\u003cp\u003eWith 450CCA, 38Ah C20 capacity, 66-minute reserve capacity, SpiralCell Technology, 99.99% pure lead, vibration-resistant construction and faster recharge capability, the YELLOWTOP D51R is designed for vehicles that demand more from their battery than conventional starting alone.\u003c\/p\u003e\n\n\u003cp\u003eConfirm the D51R terminal orientation, physical fitment, CCA requirement and charging-system compatibility before installation to ensure the battery is appropriate for your vehicle.\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"OPTIMA","offers":[{"title":"Default Title","offer_id":44255825232120,"sku":"8073-176","price":392.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/9230\/4632\/files\/5373720.jpg?v=1704340580","url":"https:\/\/www.homeof12volt.com.au\/products\/optima-yellowtop-d51r-12v-38ah-450cca-agm-deep-cycle-battery","provider":"Home of 12 Volt Northern","version":"1.0","type":"link"}