Characteristics: Long operating time: Avoid frequent battery changes during normal shooting. Thanks to the 4800 mAh battery capacity, the external battery can work up to 210 minutes, which means that the GoPro Hero 9 / Hero 10 Black can work for about 3.5 hours without having to replace the battery. Multiple Protection: The protection frame is used to protect the camera and side power supply from shocks, scratches or accidents. In addition, it can be conveniently connected to other GoPro accessories via a screw and bracket. Widespread use: This side power is essentially a high capacity power bank, which means your GoPro camera can run directly even with no batteries in it. Compared to other GoPro batteries, the extended battery is not only suitable for the current GoPro Hero 9 / Hero 10, but also for a future update version. Smartphone charging: The external battery is not only a charger for GoPro cameras, but also a power bank for a phone with a type-c interface, such as Samsung Galaxy, Huawei, LG phones, etc. Certified safe: Built-in intelligent PCM battery protection circuit provides complete protection for you and your devices. Characteristics: 1, Only suitable for GoPro Hero 9 / Hero 10 Sport cameras. 2, 4-way protection function: Built-in PCM intelligent battery protection circuit with overcharge, over discharge, over current (short circuit) and overheating protection. 3, Long Life: When side-mounted and the built-in battery, the GoPro Hero 9 / Hero 10 are fully charged, the GoPro can be used for approximately 3.5 hours (210 minutes). 4 Small but Powerful: Extended is not only a battery for GoPro Hero 9 / Hero 10, but also a power bank for a mobile phone, which has a type-c interface (not suitable for other interface), helping to charge the phone in case of emergency. 5, Product application: Perfect for climbing, diving, swimming, surfing, traveling, cycling, racing, self-timer, flight and so on. 6, Adopt lead-free SMT process, in line with environmental protection requirements; Specification: Capacity: 4800 mA Last time: about 210 minutes Charge interface: type-c Input: 5v / 2A Output: 5V / 2.1A Power Weight: 90g Frame weight: 80g Package includes: 1 x side power bank 1 x protective frame 1 x Type-C charging cable 1 x Bracket Base 1 x screw 1 x retail box