🔋【Exactly Same with Original】: Artman Hero 9 batteries are perfectly compatible with the Hero 9 Black. Artman Hero series batteries, record every moment with you~ 🔋【More Batteries, More Photos】: Triple your camera runtime with a complete backup package including three 1800mAh Hero 9 replacement batteries and a 3-channel battery charger with cover. 🔋【Multiple Protection】: Features six layers of protection (over-charging, short-circuit, high-temperature, and surge protection) with high-quality, fire-resistant construction, ensure complete protection for you and your devices. 🔋【Intelligent Triple Charger】: When power in(without batteries), the indicator light is green. When charging battery, the indicator light is red. When fully charged, the indicator light is green. Can charge 3 batteries simultaneously and independently from any 5V 2.1 max USB power source. 🔋【What You Get】: 3* Hero 9 Replacement Batteries,1* LED 3-Channel USB Storage Charger,1*Type-C USB Cable, and Friendly Customer Service.To release out the full capacity of our battery, we suggest you do several discharge and charge cycles (like 5 times). The capacity will increase to normal capacity.