12V 300Ah LiFePO4 Lithium Battery Built-in 200A BMS with 6000+ Deep Cycles Rechargeable 3840Wh Lithium Battery for RV Solar Marine Solar Panel Camping

Note: Under different temperature and humidity measurement methods and instruments there can be a 5% deviation in voltage and ampere-hour current. The battery should be charged and discharged at least once every six months to prevent damage from prolonged inactivity.