Attention: The products sold do not come with batteries

Note: For the first use of the UPS, the power cord must be connected to activate the product. The product cannot be started without activation when using the battery.

1. Use 18650 lithium battery and install in the indicated direction

2. The discharge rate of the battery used is 2C/3C

3. During installation, ensure that the voltage of the four batteries is consistent (with an error of less than 0.05V)