Tectra 4-Pack GoPro Hero 4 Replacement Battery and LED 3-Slots USB Charger for Gopro AHDBT-401 and Gopro Hero 4 Silver and Hero 4 Black Camera
★ Fully Compatible with GoPro HERO4 and GoPro AHDBT-401, AHBBP-401. ★ Battery Capacity: 1600mAh; Voltage: 3.8volts. High quality cells for longer battery life with no memory effect. ★ Innovative design allowing for charging 3 or 2 batteries at the same time, saves charging time efficiently. Great backup batteries provide longer recording time, no more worry about run out of battery. ★ Convenience and easy to recharge your battery with USB cable by laptop computer,car charger, wall charger or power bank etc. Portable size charging set easy to carry when out or travel, never miss a wonderful moment. ★ Smart charging LED indicates when charging is completed and prevents battery from overcharging, of course you can also check the charging process from the LED display.