Specification

Input: 5V 1-2A
Output: 7.4V 2*600mA
Size: 69*48*23mm
Step 1:
Plug the charging box and USB power cord into the power supply (such as mobile power, power adapter, computer, car charger, etc.), the red power indicator of the charging box is always on, and the charging indicator flashes 7-8 times and stops automatically. It indicates that the power is normal.

Step 2:
Connect the dissatisfied 7.4V lithium battery to the charging port of the charging box and wait for 3 seconds. The corresponding green indicator light flashes at a constant speed, indicating that it is charging normally.

Step 3:
When the green indicator light corresponding to the lithium battery stops flashing and turns to a long light, it means that the corresponding lithium battery is fully charged and can be removed for normal use.