Wasabi Power Battery for YI Action Camera (International Edition) from Xiaomi, Xiaoyi Rechargeable lithium-ion battery for Xiaomi Yi Sport Action Camera Rated at 3.7V and 1010mAh for longer battery life Premium Japanese cells for longer battery life with no memory effect NOT COMPATIBLE with the US Edition from YI Technology. The international edition has a thinner battery Includes battery with 3-year manufacturer warranty