Synergy Digital Camera Battery, Works with Olympus OMD Digital Camera, (li- ion, 7.4V, 1400 mAh) Ultra Hi-Capacity, Compatible with Olympus BLN-1 Battery - Walmart.com
Amazon.com : Kastar 2-Pack Rechargeable Battery Replacement for Olympus BLN-1 BLN1 Battery, BCN-1 BCN1 Charger, Olympus M-D E-M1, OM-D E-M5, OM-D E-M5 Mark II, OM-D E-M5 Mark III, Pen E-P5, Pen-F Cameras :
Olympus Pen Battery Bln 1 | Olympus Battery Usb Bln 1 | Olympus Em1 Mark Battery - 2pcs - Aliexpress
1220mAh BLN-1 PS-BLN1 BCN-1 Rechargeble Li-ion Battery for Olympus OM-D E-M1, Pen F, OM-D E-M5, Pen E-P5, OM-D E-M5 Mark II - AliExpress Consumer Electronics
Olympus BCN-1 Lithium Ion Battery Charger
BATTERY x 2 for OLYMPUS BLN-1 OM-D E-M5 PEN E-P5 HLD-6 Camera TWO BATTERIES | eBay