"Bring your digital camera back to life with a new battery. Make sure you never miss another once-in-a-lifetime moment by having a new BLN1 battery specifically designed for your Olympus digital camera. BM Premium rechargeable batteries are engineered to meet or exceed OEM specifications and feature the latest battery technology including advanced circuitry voltage regulation and thermal circuit protection. This battery includes a one-year warranty. New fully decoded chip works just like the original. (gives time left and does not need a special charger) Battery is compatible with the following cameras: Pen F OM-D E-M1 OM-D E-M5 OM-D E-M5 Mark II OM-D E-P5 "