2 High Capacity Olympus BLS5 (1800 mAh) Replacement Batteries for E-PL2,E-PL5,E-PM2,Stylus 1,E-M10 Digital Camera 100% Compatible with original manufacturer equipments and chargers Ultra higher capacity in runtime compared to original battery packs Premium Li-Ion Cell Absolutely no memory effect so that you can charge battery at anytime Low impedance battery design