Amazon.com : FocusFoto Full Decoded BLS-1 BLS-5 BLS-50 Dummy Battery DC Coupler with USB Cable for Olympus OM-D E-M10 Mark II III IV Pen E-PL9 E-PL8 E-PL7 E-PL6 E-P3 E-P2 E-PM3 Camera
Olympus E-410 Battery and Charger with Car Plug and EU Adapter - Replacement for Olympus BLS-1 Digital Camera Batteries and Chargers (1150mAh, 7.4V, Lithium-Ion) - Walmart.com
Kastar 4-Pack Battery and LCD AC Charger Compatible with Olympus BLS-5, PS-BLS5, BLS-50, Olympus E-PL10, E-PM1, E-PM2, Stylus 1, Stylus 1s, OM-D E-M10, OM-D E-M10 Mark II, OM-D E-M10 Mark III Cameras -