{"product_id":"optima-bluetop-d31m-12v-75ah-900cca-1125mca-agm-marine-battery","title":"12V 75AH 900CCA Bluetop Marine Battery (D31M)","description":"\u003cdiv style=\"font-weight: 700;\"\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e🔋 OPTIMA BLUETOP D31M AGM MARINE BATTERY – 12V 75AH 900CCA 1125MCA\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHigh-Performance AGM Marine Battery – 900CCA Starting Power, 1125MCA, 75Ah C20 Capacity, 155-Minute Reserve Capacity \u0026amp; Type M Terminals\u003c\/h3\u003e\n\n\u003cp\u003e🚤 Designed for demanding marine, RV and mobile power applications, the Optima BLUETOP D31M AGM Battery combines powerful engine-starting capability with substantial stored energy, strong vibration resistance and fast recharge performance.\u003c\/p\u003e\n\n\u003cp\u003eWith 900CCA, 1125MCA, 75Ah C20 capacity and a 155-minute reserve capacity at 25A, the BLUETOP D31M provides a strong combination of cranking power and runtime for compatible 12V marine and recreational vehicle systems.\u003c\/p\u003e\n\n\u003cp\u003eOptima SpiralCell Technology uses 99.99% pure lead and spiral-wound construction to support consistent power delivery, durability and faster recharge performance compared with conventional flat-plate battery designs.\u003c\/p\u003e\n\n\u003cp\u003eThe supplied product information states that BLUETOP batteries can provide up to three times more recharges than traditional marine batteries, up to three times longer service life than standard flooded batteries and up to 15 times greater vibration resistance 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⚡ 900CCA Starting Power\u003c\/span\u003e\u003cbr\u003e\nProvides powerful cold-cranking performance for compatible 12V engine-starting applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🚤 1125MCA Marine Cranking Power\u003c\/span\u003e\u003cbr\u003e\nProvides substantial marine cranking output for compatible boat and marine engine applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔌 75Ah C20 Capacity\u003c\/span\u003e\u003cbr\u003e\nProvides substantial stored energy for compatible onboard accessories, equipment and electrical loads.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⏳ 155-Minute Reserve Capacity\u003c\/span\u003e\u003cbr\u003e\nSupplied reserve capacity is approximately 155 minutes at a 25A load.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🚤 Marine \u0026amp; RV Application\u003c\/span\u003e\u003cbr\u003e\nDesigned for compatible boats, recreational vehicles and other demanding mobile power applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🌀 SpiralCell Technology\u003c\/span\u003e\u003cbr\u003e\nOptima’s spiral-wound internal cell construction is designed to provide consistent power delivery 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 design.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔄 Faster Recharging\u003c\/span\u003e\u003cbr\u003e\nDesigned to recover battery charge efficiently after engine starting or periods of electrical use.\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 a standard flooded battery.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔁 More Recharge Cycles\u003c\/span\u003e\u003cbr\u003e\nThe supplied information states up to three times more recharges than a traditional marine battery under applicable conditions.\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 longer than standard flooded batteries under applicable conditions.\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🧰 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💧 Completely Non-Spillable\u003c\/span\u003e\u003cbr\u003e\nThe AGM design provides non-spillable operation under normal conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e↔️ Flexible Mounting\u003c\/span\u003e\u003cbr\u003e\nThe supplied information states that the battery can be mounted in many positions, subject to correct installation requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔩 Type M Terminals\u003c\/span\u003e\u003cbr\u003e\nUses the supplied Type M terminal configuration for compatible marine and vehicle installations.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚤 HIGH-PERFORMANCE MARINE POWER\u003c\/h3\u003e\n\n\u003cp\u003eThe Optima BLUETOP D31M is designed for marine applications requiring strong engine-starting power, substantial stored energy and rugged AGM construction.\u003c\/p\u003e\n\n\u003cp\u003eIts 900CCA and 1125MCA ratings provide strong cranking capability, while the supplied 75Ah capacity and 155-minute reserve capacity provide useful stored energy for compatible onboard electrical systems.\u003c\/p\u003e\n\n\u003cp\u003eThis combination makes the D31M suitable for demanding compatible marine and RV applications where battery performance needs extend beyond basic engine starting.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚡ 900CCA COLD CRANKING POWER\u003c\/h3\u003e\n\n\u003cp\u003eCold Cranking Amps: 900CCA\u003c\/p\u003e\n\n\u003cp\u003eThe supplied 900CCA rating indicates strong engine-starting capability under the applicable cold-cranking test conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Confirm the engine, vehicle or equipment manufacturer’s minimum required CCA before selecting a replacement battery.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚤 1125MCA MARINE CRANKING POWER\u003c\/h3\u003e\n\n\u003cp\u003eMarine Cranking Amps: 1125MCA\u003c\/p\u003e\n\n\u003cp\u003eThe supplied MCA rating provides a marine-focused measure of the D31M’s starting-current capability.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the battery relevant to compatible marine engine applications requiring substantial cranking output.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔌 75AH C20 CAPACITY\u003c\/h3\u003e\n\n\u003cp\u003eSupplied C20 capacity: 75Ah\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\u003eThe D31M’s 75Ah capacity provides substantial stored energy for compatible marine, RV and accessory loads.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⏳ 155-MINUTE RESERVE CAPACITY\u003c\/h3\u003e\n\n\u003cp\u003eSupplied reserve capacity at 25A: 155 minutes\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity indicates how long the battery can support a specified electrical load under applicable test conditions.\u003c\/p\u003e\n\n\u003cp\u003eActual runtime will vary according to electrical load, temperature, battery condition, state of charge and operating conditions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🌀 OPTIMA SPIRALCELL TECHNOLOGY\u003c\/h3\u003e\n\n\u003cp\u003eOptima BLUETOP batteries use SpiralCell Technology rather than conventional flat-plate construction.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSpiral-wound internal cell construction\u003c\/li\u003e\n  \u003cli\u003e99.99% pure lead\u003c\/li\u003e\n  \u003cli\u003eStrong starting-current delivery\u003c\/li\u003e\n  \u003cli\u003eConsistent electrical performance\u003c\/li\u003e\n  \u003cli\u003eStrong vibration resistance\u003c\/li\u003e\n  \u003cli\u003eFast recharge capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe supplied product information states that this construction delivers more power and consistently outperforms conventional flat-plate battery designs.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔄 FASTER RECHARGING\u003c\/h3\u003e\n\n\u003cp\u003eFast recharge capability is one of the supplied benefits of the Optima BLUETOP range.\u003c\/p\u003e\n\n\u003cp\u003eThis can help the D31M restore battery charge efficiently after engine starting or electrical use when connected to a suitable charging system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Ensure the 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🔁 UP TO THREE TIMES MORE RECHARGES\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information states that BLUETOP batteries can provide up to three times more recharges than a traditional marine battery.\u003c\/p\u003e\n\n\u003cp\u003eThis can be valuable in applications where the battery is regularly discharged and recharged during normal operation.\u003c\/p\u003e\n\n\u003cp\u003eActual cycle performance depends on discharge depth, charging conditions, temperature, storage and overall battery management.\u003c\/p\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 BLUETOP batteries can provide up to 15 times greater vibration resistance than a standard flooded battery.\u003c\/p\u003e\n\n\u003cp\u003eThis is particularly relevant to marine and mobile environments where movement and vibration can place additional stress on conventional battery construction.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Vibration resistance does not eliminate the requirement 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 product information states service life of up to three times longer than standard flooded batteries under applicable operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eActual battery life will vary according to:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDepth of discharge\u003c\/li\u003e\n  \u003cli\u003eFrequency of cycling\u003c\/li\u003e\n  \u003cli\u003eCharging-system performance\u003c\/li\u003e\n  \u003cli\u003eOperating temperature\u003c\/li\u003e\n  \u003cli\u003eElectrical loads\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🛡️ AGM – ABSORBENT GLASS MAT CONSTRUCTION\u003c\/h3\u003e\n\n\u003cp\u003eThe Optima BLUETOP D31M 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\u003cul\u003e\n  \u003cli\u003eMaintenance-free operation\u003c\/li\u003e\n  \u003cli\u003eNon-spillable construction\u003c\/li\u003e\n  \u003cli\u003eStrong vibration resistance\u003c\/li\u003e\n  \u003cli\u003eFlexible mounting options\u003c\/li\u003e\n  \u003cli\u003eHigh starting-current capability\u003c\/li\u003e\n  \u003cli\u003eFast recharge performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚤 MARINE APPLICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eThe BLUETOP D31M is designed for compatible marine installations requiring strong starting performance, useful stored energy and dependable AGM construction.\u003c\/p\u003e\n\n\u003cp\u003eIts high cranking ratings and substantial 75Ah capacity make it relevant to compatible boats with onboard electrical systems and accessories.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Marine use alone does not confirm compatibility. Check system voltage, starting requirements, dimensions, terminal arrangement, battery restraint and charging-system requirements before installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚐 RV \u0026amp; MOBILE APPLICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied product information also positions the BLUETOP range for compatible recreational vehicle use.\u003c\/p\u003e\n\n\u003cp\u003eIts combination of strong starting performance, useful capacity and rugged AGM construction can suit compatible RV and mobile electrical applications.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔩 TYPE M TERMINALS\u003c\/h3\u003e\n\n\u003cp\u003eThe BLUETOP D31M uses:\u003c\/p\u003e\n\n\u003cp\u003eTerminal type: Type M\u003c\/p\u003e\n\n\u003cp\u003eConfirm the exact Type M connection requirements, terminal positions, polarity and battery-cable compatibility before purchase.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Do not select the battery based only on voltage, CCA, MCA, capacity or external dimensions. Terminal configuration and polarity must also match the intended installation.\u003c\/span\u003e\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 construction eliminates 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 BLUETOP range as completely non-spillable.\u003c\/p\u003e\n\n\u003cp\u003eThis provides greater installation flexibility than conventional flooded batteries containing free-flowing electrolyte.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Always follow Optima and the vessel, vehicle or equipment manufacturer’s requirements regarding mounting orientation, battery restraint, ventilation and electrical installation.\u003c\/span\u003e\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 boats\u003c\/li\u003e\n  \u003cli\u003e🛥️ Marine engine-starting applications\u003c\/li\u003e\n  \u003cli\u003e🚐 Compatible RVs\u003c\/li\u003e\n  \u003cli\u003e🏕️ Recreational vehicle electrical systems\u003c\/li\u003e\n  \u003cli\u003e🔌 Applications with substantial electrical loads\u003c\/li\u003e\n  \u003cli\u003e⚡ High-starting-current applications\u003c\/li\u003e\n  \u003cli\u003e🔋 Applications requiring substantial 75Ah capacity\u003c\/li\u003e\n  \u003cli\u003e🛠️ High-vibration environments\u003c\/li\u003e\n  \u003cli\u003e🔧 Compatible AGM battery upgrades\u003c\/li\u003e\n  \u003cli\u003e🔩 Applications requiring Type M terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📏 DIMENSIONS \u0026amp; WEIGHT\u003c\/h3\u003e\n\n\u003cp\u003eLength: 12.81in\u003c\/p\u003e\n\n\u003cp\u003eWidth: 6.56in\u003c\/p\u003e\n\n\u003cp\u003eHeight: 9.38in\u003c\/p\u003e\n\n\u003cp\u003eWeight: 59.8lb\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: BLUETOP D31M AGM Marine Battery\u003c\/p\u003e\n\n\u003cp\u003eBattery type: BLUETOP\u003c\/p\u003e\n\n\u003cp\u003eModel: D31M\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\u003eStarting power: 900CCA\u003c\/p\u003e\n\n\u003cp\u003eMarine Cranking Amps: 1125MCA\u003c\/p\u003e\n\n\u003cp\u003eC20 capacity: 75Ah\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity at 25A: 155 minutes\u003c\/p\u003e\n\n\u003cp\u003eTerminal type: Type M\u003c\/p\u003e\n\n\u003cp\u003eMaintenance: Maintenance free\u003c\/p\u003e\n\n\u003cp\u003eSpill protection: Completely non-spillable according to supplied product information\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 recharge-cycle claim: Up to 3 times more recharges than a traditional marine battery\u003c\/p\u003e\n\n\u003cp\u003eSupplied vibration-resistance claim: Up to 15 times greater than a standard flooded battery\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: 12.81in\u003c\/p\u003e\n\n\u003cp\u003eWidth: 6.56in\u003c\/p\u003e\n\n\u003cp\u003eHeight: 9.38in\u003c\/p\u003e\n\n\u003cp\u003eWeight: 59.8lb\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 BLUETOP D31M, confirm that the battery matches the physical, electrical and charging requirements of your boat, RV, vehicle or equipment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e12V electrical-system compatibility\u003c\/li\u003e\n  \u003cli\u003eModel D31M suitability\u003c\/li\u003e\n  \u003cli\u003eRequired battery dimensions\u003c\/li\u003e\n  \u003cli\u003eAvailable battery-compartment space\u003c\/li\u003e\n  \u003cli\u003eBattery tray and hold-down arrangement\u003c\/li\u003e\n  \u003cli\u003eType M terminal compatibility\u003c\/li\u003e\n  \u003cli\u003ePositive and negative terminal positions\u003c\/li\u003e\n  \u003cli\u003eBattery-cable reach\u003c\/li\u003e\n  \u003cli\u003eRequired 900CCA starting rating\u003c\/li\u003e\n  \u003cli\u003eRequired 1125MCA marine cranking rating\u003c\/li\u003e\n  \u003cli\u003eRequired 75Ah capacity\u003c\/li\u003e\n  \u003cli\u003eRequired 155-minute reserve capacity\u003c\/li\u003e\n  \u003cli\u003eAGM charging-system compatibility\u003c\/li\u003e\n  \u003cli\u003eEngine, vessel or equipment manufacturer battery specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: A matching physical size alone does not confirm compatibility. Terminal type, polarity, starting requirements, battery capacity, restraint and charging compatibility must also match.\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 boat, RV, vehicle or equipment.\u003c\/span\u003e\u003c\/p\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 BLUETOP D31M?\u003c\/h3\u003e\n\u003cp\u003eThe D31M is a 12V AGM marine battery designed to provide strong starting performance, substantial capacity and dependable power for compatible marine and RV applications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow many CCA does the D31M provide?\u003c\/h3\u003e\n\u003cp\u003eThe supplied cold-cranking rating is 900CCA.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the MCA rating?\u003c\/h3\u003e\n\u003cp\u003eThe supplied Marine Cranking Amps rating is 1125MCA.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the battery capacity?\u003c\/h3\u003e\n\u003cp\u003eThe supplied C20 capacity is 75Ah.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the reserve capacity?\u003c\/h3\u003e\n\u003cp\u003eThe supplied reserve capacity is 155 minutes at a 25A load.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the BLUETOP D31M AGM?\u003c\/h3\u003e\n\u003cp\u003eYes. It uses Absorbent Glass Mat battery technology.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is SpiralCell Technology?\u003c\/h3\u003e\n\u003cp\u003eSpiralCell is Optima’s spiral-wound internal construction using 99.99% pure lead to support strong power delivery, durability and recharge performance.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it maintenance free?\u003c\/h3\u003e\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\u003cp\u003eYes. The supplied product information describes the BLUETOP range as completely non-spillable.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan it be mounted in different positions?\u003c\/h3\u003e\n\u003cp\u003eThe supplied information states that it can be mounted in many positions, subject to correct installation requirements.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it vibration resistant?\u003c\/h3\u003e\n\u003cp\u003eYes. The supplied information states up to 15 times greater vibration resistance than a standard flooded battery.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDoes it recharge quickly?\u003c\/h3\u003e\n\u003cp\u003eYes. Faster recharge capability is one of the supplied BLUETOP benefits.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDoes it provide more recharges than a traditional marine battery?\u003c\/h3\u003e\n\u003cp\u003eThe supplied information states up to three times more recharges than a traditional marine battery under applicable conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for a boat?\u003c\/h3\u003e\n\u003cp\u003eYes. The supplied product information specifically positions the BLUETOP range for compatible marine applications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs it suitable for an RV?\u003c\/h3\u003e\n\u003cp\u003eYes. Compatible recreational vehicle applications are also identified in the supplied product information.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat terminal type does the D31M use?\u003c\/h3\u003e\n\u003cp\u003eThe supplied terminal specification is Type M.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDo I need to confirm the terminal configuration?\u003c\/h3\u003e\n\u003cp\u003eYes. Confirm Type M terminal compatibility, terminal position, polarity and cable reach before ordering.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow long is the D31M?\u003c\/h3\u003e\n\u003cp\u003eThe supplied length is 12.81 inches.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow wide is it?\u003c\/h3\u003e\n\u003cp\u003eThe supplied width is 6.56 inches.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow tall is it?\u003c\/h3\u003e\n\u003cp\u003eThe supplied height is 9.38 inches.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow much does it weigh?\u003c\/h3\u003e\n\u003cp\u003eThe supplied weight is 59.8lb.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan I replace a conventional flooded marine battery with the D31M?\u003c\/h3\u003e\n\u003cp\u003ePotentially, but not automatically. Confirm dimensions, Type M terminal configuration, starting requirements, capacity, hold-down arrangement and AGM charging-system compatibility before changing battery technology.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow long will the 75Ah battery run my accessories?\u003c\/h3\u003e\n\u003cp\u003eActual runtime depends on the electrical load, battery condition, temperature, state of charge and operating conditions. The 75Ah C20 rating alone cannot guarantee a specific runtime.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat should I check before ordering?\u003c\/h3\u003e\n\u003cp\u003eConfirm the D31M model requirement, 12V voltage, physical dimensions, Type M terminals, polarity, 900CCA and 1125MCA requirements, 75Ah capacity, 155-minute reserve capacity, battery restraint and AGM charging compatibility.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eDoes the supplied information specify package contents?\u003c\/h3\u003e\n\u003cp\u003eNo specific package-contents list was supplied beyond the battery product itself.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e🚤 HIGH-CAPACITY AGM POWER FOR DEMANDING MARINE \u0026amp; RV APPLICATIONS\u003c\/h2\u003e\n\n\u003cp\u003eChoose the Optima BLUETOP D31M when you need powerful marine starting performance, substantial battery capacity and rugged AGM construction for a compatible boat, RV or mobile power application.\u003c\/p\u003e\n\n\u003cp\u003eWith 900CCA, 1125MCA, 75Ah C20 capacity, 155-minute reserve capacity, SpiralCell Technology, 99.99% pure lead and strong vibration resistance, the D31M is designed to deliver dependable power in demanding environments.\u003c\/p\u003e\n\n\u003cp\u003eConfirm physical dimensions, Type M terminal configuration, starting requirements, reserve requirements and AGM charging-system compatibility before installation to ensure the BLUETOP D31M is correct for your application.\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"OPTIMA","offers":[{"title":"Default Title","offer_id":44255822610680,"sku":"8052-188","price":608.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/9230\/4632\/files\/5373686.jpg?v=1704335299","url":"https:\/\/www.homeof12volt.com.au\/products\/optima-bluetop-d31m-12v-75ah-900cca-1125mca-agm-marine-battery","provider":"Home of 12 Volt Northern","version":"1.0","type":"link"}