Amazon.com : Wasabi Power Battery for Olympus BLS-5, BLS-50, PS-BLS5 & E-420, E-450, E-600, E-620, Pen E-P1, E-P2, E-P3, E-PL1, E-PL3, E-PM1, OM-D E-M10 Mark II, III, IIIs, IV : Digital Camera
Hama battery Olympus BLS-50 - Photospecialist
Kastar 1-Pack Battery Replacement for Olympus BLS-50 BLS50 PS-BLS50 BLS-5 PS-BLS5 Battery, Olympus BCS-5 BCS5 Charger, Olympus OM-D E-M5 Mark III Mirrorless Camera - Walmart.com
Bescor BLS50 Battery and Charger Kit for Select Olympus BLS50