【Compatibility】TELESIN Batteries and Charger Kit is fully compatible with Original Go Pro Hero 11 Hero 10 Hero 9 black. Note: Please do not remove the black tape on top of the battery, it’s for taking out battery easily from the charger. 【Convenience】 real capacity 1750mAh batteries boost your gopro running time, same working time as the original official go pro 9 battery. No memory effect so that you can charge the batteries at anytime. 【Safety】Multiple charging way with USB port and 100% safety guarantee, made of high quality ABS material, fully protected against overcharge, short circuit, over discharge, over-temperature, over current, over voltage and electronic shock. 【Guarante】 90 Days Free Return Refund & 1 Year Free Replacement & Lifetime Service & 24H Prompt and Friendly Response (Weekdays). Compatibility: TELESIN Batteries and Charger Kit is fully compatible with Original Go Pro Hero 10 Hero 9 black. Note: Please do not remove the black tape on top of the battery, it’s for taking out battery easily from the charger. Convenience: real capacity 1750mAh batteries boost your gopro running time, same working time as the original official go pro 9 battery. No memory effect so that you can charge the batteries at anytime. Safety: Multiple charging way with USB port and 100percent safety, made of high quality ABS material, fully protected against overcharge, short circuit, over discharge, over temperature, over current, over voltage and electronic shock.