BMS 6S 24V 25.2V 40A 21700 Battery Case 1P 2P Power Wall Power Bank Box Holder With 40A Balancer Charging Board 21700 battery box 6S solderless battery box battery pack protection board Power Bank Storage Box Holder DIY UPS Uninterruptible power supply

6S*4.2V=25.2V 40A BMS. 21700 lithium battery soldering free design. High temperature resistant battery box. Safe and stable DIY battery pack. Comes with insurance. Double sided battery. Multiple BMS protection board options. Balanced charging and discharging. Extend battery life. Electrical parameters: Voltage 6 seconds, fully charge 25.2V, discharge 17.4V. Current: The average instantaneous maximum current per layer is 20a, and it is recommended to be below 10a for long periods of time the actual current is determined by the battery performance). Electrical parameters: It is best to choose a protective board when placing an order to avoid any issues during use. There are issues with overcharging, over discharging, and voltage imbalance. If using a charger, it is necessary to choose a DC connector. It is recommended that the charging current of each layer does not exceed 1A. Note: 1. The battery box terminal without a protective board option is not connected to the total negative pole