Can charging 5 batteries at one time, over charge protection, short circuit protection.
Charging indication: when the charging cable is connected to the power supply and accessed to charge the battery, the red charging indicator light is always on, and when the battery is fully charged, the red light is off.
Good product with superior material, which is more durable & practical, and not easy to damage. Built-in protection mechanism ensures safe charging and use.
Package Content: 5PCS 3.7V 400mAh lithium battery with 5 in 1 charger