“I bought my second RV in May last year. Before that, I tried lead acid batteries to power the RV, but they were heavy and consumed quickly. This disappointed me. But MERITSUN Pinky introduced me to 12V LifePO4 battery on Alibaba, I felt excited.”“This 12v lifepo4 battery with built in BMS, which with the function of over voltage, low voltage, over current, over temperature, low temperature,short circuit production and balance function.”“I really like this balance function which will help keep a