EasyAcc® - make it easy Why choose the EasyAcc® Power Battery (2-Pack) and Charger for Go Pro HERO3? Superior Safety and Performance Guaranteed The EasyAcc® Battery and Charger Kit is certified by CE, FCC, and RoHS and uses high-quality lithium-ion battery cells. This means that it performs stably; is safe and dependable; and lets your camera run on standby for even longer with its higher battery capacity. A Perfect Integration of Convenience and Performance Our Go Pro Hero 3 battery charger features smart protections (including ones against overcharging and overcurrenting) and can detect the number of batteries inserted automatically. It will adjust its output current based on the number of batteries being charged, trickle charge batteries, and regulate the current temperature as well for constant voltage and constant current. All of this means that you can safely extend your batteries? lifespans to their limit without any worries. The charger is also small and highly portable, making it easy to take with you wherever you go. Excellent Warranty and After-Sales Service This battery and charger kit comes with a 12-month warranty, and we"ll provide you with the best and most worry-free after-sales service. Compatible with GoPro HERO3 GoPro AHDBT-201 GoPro AHDBT-301 Package Contents EasyAcc® 1050 mAh Battery for GoPro HERO3 x 2 EasyAcc® Charger for GoPro HERO3 x 1 USB Cable x 1