The Jupio COL0016 is the equivalent of the Olympus BLX-1 battery. It has a capacity of 2280mAh (16,4Wh) thanks to high quality battery cells with a voltage of 7,2V. Thanks to extensive testing Jupio can guarantee its quality and this is supported by a 3 year warranty. The Jupio COL0016 is 100% compatible with the original BLX-1 and supports all functionality.