Introduction A four-battery LiFePO4 bank is operating normally. During a heavy load, Battery 4 enters BMS protection and disconnects. The other three batteries remain online.

Introduction A parallel LiFePO4 system develops a frustrating problem. One battery: The cables look normal. The breaker is ON. The terminals are tight. Nothing appears

Introduction Four 51.2V LiFePO4 batteries are connected in parallel. At idle, everything looks almost perfect: The inverter starts a 6kW load. Within seconds, the readings