Kastar 4 Pack Battery and LCD Triple USB Charger Compatible with Olympus Li-40B Li40B, Li-42B Li42B Battery, Olympus LI-40C Li-40C Charger

*Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 1400mAh. *Kastar LCD USB Triple charger, can charger 3 batteries in the same time. *Easy to carry, the Charger Input: 5V 2A 10W; Output: 4.2V 0.5A(x3). *Intelligent LCD charger displays charging status and battery capacity. *Can be powered by USB Wall & Auto Charger or a Computer, comes with a Micro USB cable.