电池充电模型的搭建，可以对电池进行充电同时故障时可对负载供电-Built battery charging models, you can charge the battery power to the load while failure can

电池测试仪，主要用于检测过电流、电压、容量、内阻、充电、放电温度、电池循环寿命，并给出曲线图。(Battery tester, mainly used to detect over-current, voltage, capacity, internal resistance, charging, discharge temperature, battery cycle life, and gives the curve.)