{"product_id":"fullriver-hc55-12v-55ah-620cca-group-51-agm-battery","title":"12V 55Ah 620CCA High Crank Battery (HC55)","description":"\u003cdiv style=\"font-weight: 700;\"\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e⚡ FULLRIVER HC55 12V 55AH HIGH CRANK AGM BATTERY\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e620CCA High-Performance Starting Battery – 1300A PHCA, Group 51 \u0026amp; M6 Button Terminals\u003c\/h3\u003e\n\n\u003cp\u003e🔥 Elite cranking performance, rapid current delivery and heavy-duty AGM construction for demanding engine-starting applications.\u003c\/p\u003e\n\n\u003cp\u003eThe Fullriver HC55 is a high-performance 12V 55Ah High Crank AGM battery engineered for vehicles and equipment requiring serious starting power, dependable ignition and consistent high-current output under demanding conditions.\u003c\/p\u003e\n\n\u003cp\u003eDelivering 620CCA, 745A CA \/ MCA, 890A HCA and an impressive 1300A pulse hot-cranking output, the HC55 provides substantial starting capability for compatible performance vehicles, motorsport applications, 4WDs, off-road vehicles, marine engines and other high-demand starting systems.\u003c\/p\u003e\n\n\u003cp\u003eHigh-compression cells, pure lead grids, advanced thin-plate technology and low 7.2mΩ internal resistance combine to support rapid energy transfer, while the heavy-duty flame-resistant ABS case is designed for demanding and high-vibration environments.\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🚀 620CCA High Cranking Output\u003c\/span\u003e\u003cbr\u003e\nProvides powerful cold-starting performance for compatible engines and demanding starting systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⚡ 745A CA \/ MCA\u003c\/span\u003e\u003cbr\u003e\nDelivers substantial cranking capability for compatible automotive and marine starting applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔥 890A Hot Cranking Amps\u003c\/span\u003e\u003cbr\u003e\nProvides serious engine-starting performance under warmer operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e💥 1300A Pulse Hot Cranking Amps\u003c\/span\u003e\u003cbr\u003e\nDelivers an intense short-duration current burst for demanding ignition and starting requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔋 12V 55Ah AGM Battery\u003c\/span\u003e\u003cbr\u003e\nCombines substantial stored capacity with serious high-current engine-starting capability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e⚡ Low 7.2mΩ Internal Resistance\u003c\/span\u003e\u003cbr\u003e\nSupports rapid energy transfer and efficient high-current delivery when maximum cranking power is required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🏁 High-Compression Internal Construction\u003c\/span\u003e\u003cbr\u003e\nDesigned to support dependable current output and durability in demanding vehicle environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🛡️ Sealed Non-Spillable AGM Design\u003c\/span\u003e\u003cbr\u003e\nProvides clean, maintenance-free operation under normal operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e💪 Shock \u0026amp; Vibration Resistant\u003c\/span\u003e\u003cbr\u003e\nHeavy-duty internal construction is designed for motorsport, off-road, marine and high-vibration applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔋 Low Self-Discharge\u003c\/span\u003e\u003cbr\u003e\nSpecified self-discharge of ≤3% per month at 25°C helps the battery retain charge during periods of storage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🧯 Flame-Resistant ABS Case\u003c\/span\u003e\u003cbr\u003e\nDurable ABS plastic housing with a UL94-HB flame-resistance rating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #80FF00;\"\u003e🔧 M6 Button Terminals\u003c\/span\u003e\u003cbr\u003e\nProvides secure high-current electrical connections for compatible starting systems.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚀 ENGINEERED FOR SERIOUS ENGINE STARTING\u003c\/h3\u003e\n\n\u003cp\u003eThe Fullriver HC55 is purpose-built for applications where rapid high-current discharge and dependable engine cranking are essential.\u003c\/p\u003e\n\n\u003cp\u003eIts high-compression cells, pure lead grids and thin-plate construction allow substantial current to be delivered quickly, helping provide strong ignition performance under high electrical loads and demanding starting conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the HC55 particularly well suited to compatible high-performance street vehicles, motorsport applications, 4WDs, off-road vehicles, marine starting systems and extreme-use equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: The HC55 is designed primarily as a high-current starting battery and should not be treated as a dedicated deep-cycle battery.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔥 EXTREME CRANKING PERFORMANCE\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 provides multiple cranking ratings to demonstrate its substantial starting capability across different operating conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCold Cranking Amps: 620A CCA\u003c\/li\u003e\n  \u003cli\u003eCranking Amps \/ Marine Cranking Amps: 745A CA \/ MCA\u003c\/li\u003e\n  \u003cli\u003eHot Cranking Amps: 890A HCA\u003c\/li\u003e\n  \u003cli\u003ePulse Hot Cranking Amps: 1300A PHCA\u003c\/li\u003e\n  \u003cli\u003eShort Circuit Current: 1729A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCombined with its low internal resistance, the HC55 is engineered to deliver substantial current quickly when the starter motor demands it.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚡ LOW INTERNAL RESISTANCE\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 has a specified internal resistance of approximately 7.2mΩ.\u003c\/p\u003e\n\n\u003cp\u003eLow internal resistance helps reduce voltage drop under heavy starting loads and supports rapid current transfer to the starter system.\u003c\/p\u003e\n\n\u003cp\u003eThis is particularly valuable in demanding performance applications where reliable ignition and strong cranking response are essential.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🏁 BUILT FOR SHOCK, VIBRATION \u0026amp; EXTREME USE\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 features high-compression internal cells and a heavy-duty reinforced battery case designed for challenging vehicle environments.\u003c\/p\u003e\n\n\u003cp\u003eThis construction supports dependable performance in compatible motorsport, off-road, marine and powersports applications where vibration and shock can place additional stress on a battery.\u003c\/p\u003e\n\n\u003cp\u003eIt is engineered for installations where both serious starting output and physical durability are required.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🛡️ ADVANCED AGM CONSTRUCTION\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 uses sealed Absorbed Glass Mat technology to retain electrolyte within the internal battery structure.\u003c\/p\u003e\n\n\u003cp\u003eThis non-spillable design provides maintenance-free operation under normal conditions and offers greater installation flexibility than conventional flooded batteries.\u003c\/p\u003e\n\n\u003cp\u003eThe battery should always be securely restrained and installed according to the requirements of the vehicle, equipment and battery manufacturer.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e❄️ COLD-WEATHER PERFORMANCE\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 is designed for operation across a temperature range of approximately -20°C to +50°C.\u003c\/p\u003e\n\n\u003cp\u003eWhen operating below 0°C, maintaining the battery at or above 60% state of charge is recommended to support dependable cranking performance.\u003c\/p\u003e\n\n\u003cp\u003eCorrect battery charge becomes particularly important in colder conditions where engine-starting demands can increase.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔋 55AH CAPACITY \u0026amp; STRONG RESERVE POWER\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 provides 55Ah capacity at the 20-hour rate and 47.5Ah at the 5-hour rate.\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity is rated at approximately 100 minutes at a 25A load and approximately 17 minutes at a 75A load.\u003c\/p\u003e\n\n\u003cp\u003eThis combination of substantial stored energy and strong high-current output makes the HC55 a capable starting battery for demanding compatible applications.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🔌 CHARGING SPECIFICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eCorrect charging is essential for maintaining battery performance and service life.\u003c\/p\u003e\n\n\u003cp\u003eMaximum charge current: 25% of C20 capacity\u003c\/p\u003e\n\n\u003cp\u003eFor a 55Ah C20 battery, this equates to approximately 13.75A maximum charge current.\u003c\/p\u003e\n\n\u003cp\u003eAbsorption voltage: 14.4V–14.7V\u003c\/p\u003e\n\n\u003cp\u003eFloat voltage: 13.5V–13.8V\u003c\/p\u003e\n\n\u003cp\u003eUse charging equipment suitable for sealed AGM battery chemistry and the specified charging voltage range.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📐 PRODUCT SPECIFICATIONS\u003c\/h3\u003e\n\n\u003cp\u003eBrand: Fullriver\u003c\/p\u003e\n\n\u003cp\u003eModel: HC55\u003c\/p\u003e\n\n\u003cp\u003eBattery type: High Crank AGM Starting Battery\u003c\/p\u003e\n\n\u003cp\u003eNominal voltage: 12V\u003c\/p\u003e\n\n\u003cp\u003eGroup size: 51\u003c\/p\u003e\n\n\u003cp\u003eCapacity at 20HR rate: 55Ah\u003c\/p\u003e\n\n\u003cp\u003eCapacity at 5HR rate: 47.5Ah\u003c\/p\u003e\n\n\u003cp\u003eCold Cranking Amps: 620A CCA\u003c\/p\u003e\n\n\u003cp\u003eCranking Amps \/ Marine Cranking Amps: 745A CA \/ MCA\u003c\/p\u003e\n\n\u003cp\u003eHot Cranking Amps: 890A HCA\u003c\/p\u003e\n\n\u003cp\u003ePulse Hot Cranking Amps: 1300A PHCA\u003c\/p\u003e\n\n\u003cp\u003eShort circuit current: 1729A\u003c\/p\u003e\n\n\u003cp\u003eInternal resistance: 7.2mΩ\u003c\/p\u003e\n\n\u003cp\u003eSelf-discharge at 25°C: ≤3% per month\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity at 25A: 100 minutes\u003c\/p\u003e\n\n\u003cp\u003eReserve capacity at 75A: 17 minutes\u003c\/p\u003e\n\n\u003cp\u003eOperating temperature: -20°C to +50°C\u003c\/p\u003e\n\n\u003cp\u003eTerminal type: M6 button terminal\u003c\/p\u003e\n\n\u003cp\u003eRecommended terminal torque: 5.6–7.9 N·m\u003c\/p\u003e\n\n\u003cp\u003eCase material: ABS plastic\u003c\/p\u003e\n\n\u003cp\u003eFlame-resistance rating: UL94-HB\u003c\/p\u003e\n\n\u003cp\u003eMaximum charge current: Approximately 13.75A \/ 25% of C20\u003c\/p\u003e\n\n\u003cp\u003eAbsorption voltage: 14.4V–14.7V\u003c\/p\u003e\n\n\u003cp\u003eFloat voltage: 13.5V–13.8V\u003c\/p\u003e\n\n\u003cp\u003ePrimary application: High-current engine starting\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📏 DIMENSIONS \u0026amp; WEIGHT\u003c\/h3\u003e\n\n\u003cp\u003eLength: 138mm\u003c\/p\u003e\n\n\u003cp\u003eWidth: 229mm\u003c\/p\u003e\n\n\u003cp\u003eCase height: 208mm\u003c\/p\u003e\n\n\u003cp\u003eHeight including terminals: 212mm\u003c\/p\u003e\n\n\u003cp\u003eWeight: Approximately 18.0kg \/ 39.68lb\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e🚗 IDEAL APPLICATIONS\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-performance street vehicles\u003c\/li\u003e\n  \u003cli\u003eRacing and motorsport vehicles\u003c\/li\u003e\n  \u003cli\u003eCompetition vehicles\u003c\/li\u003e\n  \u003cli\u003e4WD and off-road vehicles\u003c\/li\u003e\n  \u003cli\u003eMarine engine-starting applications\u003c\/li\u003e\n  \u003cli\u003ePowersports vehicles\u003c\/li\u003e\n  \u003cli\u003eExtreme-use vehicles\u003c\/li\u003e\n  \u003cli\u003ePerformance engines requiring high cranking output\u003c\/li\u003e\n  \u003cli\u003eHigh-vibration environments\u003c\/li\u003e\n  \u003cli\u003eOther compatible high-current starting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e📦 WHAT’S INCLUDED?\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e1 × Fullriver HC55 12V 55Ah 620CCA High Crank AGM Battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003e⚠️ FITMENT \u0026amp; COMPATIBILITY INFORMATION\u003c\/h3\u003e\n\n\u003cp\u003ePlease confirm all electrical and physical specifications against your existing battery and vehicle requirements before purchasing.\u003c\/p\u003e\n\n\u003cp\u003eCheck the required:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBattery voltage – 12V\u003c\/li\u003e\n  \u003cli\u003eBattery technology – AGM\u003c\/li\u003e\n  \u003cli\u003eBattery capacity\u003c\/li\u003e\n  \u003cli\u003eGroup size – 51\u003c\/li\u003e\n  \u003cli\u003ePhysical dimensions\u003c\/li\u003e\n  \u003cli\u003eTerminal type – M6 button terminal\u003c\/li\u003e\n  \u003cli\u003eTerminal orientation and polarity\u003c\/li\u003e\n  \u003cli\u003eCCA requirement\u003c\/li\u003e\n  \u003cli\u003eCharging-system compatibility\u003c\/li\u003e\n  \u003cli\u003eAvailable installation space\u003c\/li\u003e\n  \u003cli\u003eEngine-starting application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #DD1D1D;\"\u003e⚠️ IMPORTANT: Do not purchase based on capacity or group size alone. Battery dimensions, terminal layout, cranking requirements, battery chemistry and charging-system compatibility must also match your application.\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 type of battery is the Fullriver HC55?\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 is a sealed 12V High Crank AGM battery designed primarily for high-current engine-starting applications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the capacity of the HC55?\u003c\/h3\u003e\n\n\u003cp\u003eThe battery is rated at 55Ah at the 20-hour rate and 47.5Ah at the 5-hour rate.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the Cold Cranking Amps rating?\u003c\/h3\u003e\n\n\u003cp\u003eThe Fullriver HC55 is rated at 620CCA.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat other cranking ratings does the HC55 have?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied specifications include 745A CA \/ MCA, 890A HCA and 1300A PHCA.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the short circuit current?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied short circuit current specification is 1729A.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the internal resistance?\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 has a specified internal resistance of approximately 7.2mΩ, supporting rapid high-current delivery.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the reserve capacity?\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 provides approximately 100 minutes of reserve capacity at a 25A load and approximately 17 minutes at a 75A load.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 suitable for performance vehicles?\u003c\/h3\u003e\n\n\u003cp\u003eYes. It is designed for compatible high-performance vehicles requiring substantial cranking output and durable AGM construction.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 suitable for racing and motorsport applications?\u003c\/h3\u003e\n\n\u003cp\u003eIt is designed for compatible high-performance and motorsport applications where its physical dimensions, terminal configuration, cranking output and charging requirements match the vehicle.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the HC55 be used in a 4WD or off-road vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eYes, where the vehicle requires a compatible 12V AGM starting battery with matching physical dimensions, terminal configuration and cranking specifications.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the HC55 be used for marine starting?\u003c\/h3\u003e\n\n\u003cp\u003eIt may be suitable for compatible marine engine-starting applications where its voltage, dimensions, M6 terminal configuration and cranking performance meet the system requirements.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 suitable for powersports equipment?\u003c\/h3\u003e\n\n\u003cp\u003eIt may be suitable for compatible powersports equipment where the battery’s physical dimensions, weight, electrical requirements and terminal arrangement are appropriate.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 a deep cycle battery?\u003c\/h3\u003e\n\n\u003cp\u003eNo. The HC55 is designed primarily for high-current engine starting rather than repeated deep-cycle discharge.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 maintenance-free?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its sealed AGM construction means routine electrolyte top-ups are not required under normal operating conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eIs the HC55 non-spillable?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its sealed AGM construction is designed to provide non-spillable operation under normal conditions.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the HC55 be mounted in different orientations?\u003c\/h3\u003e\n\n\u003cp\u003eThe sealed AGM construction provides greater installation flexibility than a conventional flooded battery. Always securely restrain the battery and confirm the proposed mounting orientation is suitable for the vehicle, enclosure and manufacturer requirements.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat group size is the HC55?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied group size is Group 51. Group size alone does not guarantee fitment, so dimensions, terminal layout and polarity should also be checked.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat terminals does the HC55 use?\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 uses M6 button terminals with a recommended tightening torque of 5.6–7.9 N·m.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat are the HC55 dimensions?\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied dimensions are approximately 138mm long, 229mm wide and 208mm high at the case, or 212mm high including the terminals.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow much does the HC55 weigh?\u003c\/h3\u003e\n\n\u003cp\u003eThe HC55 weighs approximately 18.0kg.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat charger should I use?\u003c\/h3\u003e\n\n\u003cp\u003eUse a charger suitable for sealed AGM batteries with an absorption voltage of approximately 14.4V–14.7V and a float voltage of approximately 13.5V–13.8V.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eWhat is the maximum charging current?\u003c\/h3\u003e\n\n\u003cp\u003eThe specified maximum charge current is 25% of the battery’s 55Ah C20 capacity, which equates to approximately 13.75A.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eCan the HC55 operate in cold weather?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its specified operating temperature range is approximately -20°C to +50°C. When operating below 0°C, maintaining the battery at or above 60% state of charge is recommended.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #00AAFF;\"\u003eHow do I know if the HC55 will fit my vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eCompare the Group 51 case format, supplied 138 × 229 × 212mm overall dimensions, M6 button terminal configuration, polarity, 12V voltage, 620CCA rating and charging requirements with your existing battery and vehicle specifications before purchase.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"color: #DD1D1D;\"\u003e🏁 ELITE 620CCA STARTING POWER FOR DEMANDING APPLICATIONS\u003c\/h2\u003e\n\n\u003cp\u003eChoose the Fullriver HC55 when your application demands serious engine-cranking power, rapid current delivery and rugged AGM construction.\u003c\/p\u003e\n\n\u003cp\u003eWith 620CCA, 1300A pulse hot-cranking capability, 1729A short circuit current, low 7.2mΩ internal resistance and heavy-duty vibration-resistant construction, the HC55 is engineered for compatible performance, motorsport, 4WD, marine and extreme-use starting applications.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade to dependable high-current Fullriver AGM starting performance.\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"FULLRIVER","offers":[{"title":"Default Title","offer_id":44095393005816,"sku":"HC55","price":342.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/9230\/4632\/files\/622ef992c199a.jpg?v=1772674350","url":"https:\/\/www.homeof12volt.com.au\/products\/fullriver-hc55-12v-55ah-620cca-group-51-agm-battery","provider":"Home of 12 Volt Northern","version":"1.0","type":"link"}