Wasabi Power Battery (2-Pack) and Dual Charger for YI Technology YI Action Camera U.S. Edition and YI 88001, 88002, 88009, 88010, 88011 Rechargeable lithium-ion battery for Yi Action Camera from YI Technology Batteries rated at 3.7V and 1010mAh Premium Japanese cells for longer battery life with no memory effect Batteries NOT COMPATIBLE with the International Edition, which uses a thinner battery (Wasabi Power Model: BTR-YICAM-JWP) Includes 2 batteries and dual usb charger; All items include a 3-year manufacturer warranty