GoPro HERO8 Black User Note The charger is compatible with GoPro HERO8 Black Battery.If your GoPro HERO8 Black is powered by rechargeable HERO7 Black battery , there will be a battery notification window pop up , you just need to press OK button.But if your use HERO7 black battery with your HERO8 Camera, some functions will be limited and the recording time will be significantly shortened , using experience will not be so good ,so we suggest you better use rechargeable HERO 8 battery. Why COOLSHOW Hero7 Black Battery Charger Set ? Compatibility GoPro HERO7 Black HERO6 BlackHERO5 BlackHERO 2018 Why Coolshow's GoPro Hero7 Battery Replacement Rechargeable over 2100 times, no memory effect.Made of fire retardant material, safe to use.High quality control team stick to international regulation.Over 10 years manufacturing experience , full faith in quality.6 layer ProtectionAll batteries are full decoded ,100% fits original camera.Use the same quality of battery cell as original brand. Why COOLSHOW's HERO 7 Charger ? 3 charging slots designBattery Storage Box DesignType-C charging port design for fast chargingMade of flame retardant material, safe to use.6 layer protection Technical Specifiaction Battery Type: Lithium-ion rechargeable battery Capacity: 1500mAh 4.7Wh Battery Input ： 4.4 V, 800 mA Battery Output : 3.85V, 4.7Wh Charger Input : 5 V 2A Charger Output: 4.4 V 800 mA Package Content :2* HERO7 batteries +1* Triple Charger No Notification Window Up COOLSHOW's Hero 7 battery is full decoded ,there is no battery notification window pop up when you power up camera.100% compatible with GoPro Hero 7/6/5 black ,enable all the functions of GoPro HERO 7/6/5/2018 Black.If your HERO5 Black Camera not work ,You must use your current battery to update your HERO5 Black firmware to v02.70 before using the Rechargeable Battery (HERO7 Black). Recharging Time 1 battery in 55 mins ;2 batteries simultaneously in 90 mins ;3 batteries simultaneously in 3 hours ;LED indicator : Red Light : Charging , Green Light : Full Charged. Note : The lab data is just for reference. Battery Run Time 720P : recording video about 105-130 mins.1080P : recording video about 100-120 mins.4K : recording video about 60-90 mins. Note: The lab data above is just for reference, real using time depends on your camera settings. Strict QC Team Four basic testing battery including to make sure battery is 100% safety Battery cell capacitance testSemi finished battery testBattery cell pairing testBattery capacity capacitance test Every piece of battery will be tested before shipment 6 Layer Protection Rechargeable HERO7 battery and charger is featured six layers of protection (over-charging, short-circuit, high-temperature, over current,over-voltage,electrical shock and surge protection) with fire-resistant construction, ensure complete protection for you and your devices.Each battery features premium ,Grade A cell as original brand.Works great as a spare or as a replacement. Manufactured with premium cells for longer battery life with no memory effect. Package Content 3*GoPro HERO7 Black Batteries Replacement1*GoPro HERO7 Triple Charger1* Type-C USB Charging Cable3* Battery Protective Storage Boxes