AHDBT-302 Newmowa 1300mAh Replacement Battery (2-Pack) and Rapid 3-Channel Charger for Gopro Hero 3, Gopro Hero 3+, AHDBT-301, AHDBT-302 More Power for More Video: Each1300mAh battery offers you more power to shoot more videos; charge inside the camera or with 2.1A input charger to maximize charging efficiency 3 Ways to Charge: Can be charged by wall, car, and power bank charging for added convenience. Perfect Compatibility: Made to the exact specification of AHDBT-302/AHDBT-301 battery, compatible with Gopro Hero3/Hero 3+ Multiple function of the 3-channel charger: each charging port can charge AHDBT-301/AHDBT-302 which work for Gopro Hero3/Hero 3+ & AHDBT-401 for Gopro Hero 4 100% Safety Guarantee: Features four layers of protection (over-charging, short-circuit, high-temperature, and surge protection) with a high-quality, fire-resistant construction