Olympus BLN-1, BCN-1 Dual Charger by Wasabi Power

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

Compatibility: Olympus BLN-1, BCN-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-M1 (NOT for the the Mark II. You'll need the BLH-1)

Olympus OM-D E-M5

Olympus OM-D E-M5 MARK II

Olympus PEN E-P5

Olympus PEN-F