This Wasabi Power dual USB charger fully charges 2 batteries at a time from any USB power source.

Compatibility: Olympus BLH-1

Input: 5V, 2A (max)

Output: 8.4V, 600mA (x2)

Includes: Dual USB charger with cord

Warranty: 3-years from Wasabi Power

Compatible with the following models:

Olympus OM-D E-M1X

OM-D E-M1 MARK II

OM-D E-M1 MARK III