Power Queen’s 12.8V 65Ah Wheelchair LiFePO4 Lithium Battery, with Group 22NF Size. Replace your Group31 lead acid battery without the hassle of modifying your existing electrical system or wiring. The latest upgraded 100A BMS, offering overcharge, over-discharge, over-current, over-voltage, overload, short circuit,and low temp cut off protection. 4000-15000 Cycles, 10-year Lifespan. It supports for heavy duty wheelchair, Mobility Scooter,Ride on Toys,Camping,Fish finder,30-70lbs Trolling motor. 5-year warranty and 24-hour technical support service,buy with confidence! 【Grade-A Battery Cells Upgraded 65A BMS�?/b>Power Queen’s 12.8V 65Ah Wheelchair LiFePO4 Battery redefines excellence. Fueled by four Grade-A LiFePO4 cells, it delivers heightened energy density and unparalleled power. The upgraded 65A BMS, offering a fortress of protection. Guarding against overcharge, over-discharge, over-current, over-voltage, overload, and short circuit, it ensures not just power, but peace of mind. 【Effortless Upgrade to Group 22NF Size�?/b>The Power Queen 12V65Ah Wheel chair battery is meticulously crafted to meet the BCI standard minimum size for Group22NF batteries. Upgrading from lead-acid to lithium has never been smoother—simply replace your Group 22NF battery without the hassle of modifying your existing electrical system or wiring. Enjoy a faster and more straightforward transition to superior power. �?0-year Lifespan Up to 15000 Cycles�?/b>Power Queen 12V 65Ah Wheelchair LiFePO4 Battery’s lifespan can reach to 10 years and its warranty is 5 years. Battery can fulfill 4000 Cycles @100% DOD, 6000+ Cycles @80% DOD, or up to 15000+ Cycles @60%DOD. Besides, it is recommended to charge the battery at 14.6V charging voltage and 13A charging current, which takes about 65Ah/13A=5hrs to charge the battery fully. �?-Year Warranty 24 Hours Timely Service�?/b>Power Queen provides a 5-year warranty for all batteries. We’re struggling to provide the safest batteries and the most professional service to every customer.If you have any questions, we’ll offer one-on-one technical support to analyze consumers’ problems within 24 hours.nbsp; Note:This battery is NOT suitable for use as a starter battery or golf cart battery, for more info please contact us. Spec. Rated Capacity: 65Ah Nominal Voltage: 12.8V Cycle Life: �?000Cycles Max. Load Power: 832 W Battery Energy: 832Wh BMS: 65A Maximum Continuous Charging Current: 65 A Maximum Continuous Discharging Current: 65 A Charging Temperature�?0~50�? Discharging Temperature�?-20~60�? Storage Temperature: -10~50�? Dimensions: L9.02*W 5.43*H 8.54inch Weight: 14lbs Application :Heavy duty wheelchair, Mobility Scooter,Ride on Toy,Camping,Fish finder,30-70lbs Trolling motor Feature:nbsp;Group 22NF Size,Low-temp Cut Off function Packege Included: 12V 65Ah Group22NF Wheelchair LiFePO4 Battery*1 Product Manual *1 Operation Guide*1 nbsp; Please be noted: battery charger is not included.