BigBattery Dual Husky 2 Inv 12V 10.24kWh 800Ah LiFePO4 Kit Club Car 2V 105Ah "Square" (BE10551M) a

2V 105Ah "Square" (BE10551M) a LiFePO4 lithium golf cart battery designed for the EZGO RXV 48V system

which means it works reliably on stock carts and on carts running upgraded motors and controllers from brands like Alltrax

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The spec sheet confirms series connection is not allowed and does not list parallel operation

BigBattery Dual Husky 2 Inv 12V 10.24kWh 800Ah LiFePO4 Kit Club Car 2V 105Ah "Square" (BE10551M) aBigBattery Dual HUSKY 2 INV 12V 10. 24kWh 800Ah LiFePO4 Battery System Dual 12V lithium battery system designed for high capacity applications including RVs, marine vessels, and off grid solar installations. Features two synchronized 5. 12kWh batteries providing 10. 24kWh total capacity with LiFePO4 chemistry. System Specifications Total System Capacity: 10. 24kWh (800Ah @ 12V combined) Individual Battery Capacity: 5. 12kWh (400Ah @ 12V each)