4 in 1 USB Universal Charger for Car and Li-ion battery 1 input: ... -8.7V 250mA 4 in 1 USB Universal Charger for Car and Li-ion batterySpecifications:1 ApplicationLithium ion ... , over-voltage protection, overload protection, constant pressure function, ect.2 Small volume, light weight, easy ... travel charger, car charger, multifunctional charger etc and any specification power adapter like MP3/MP4 charger ...