I mistakenly purchased a separate charger when I bought the DJI Osmo Action 5 Pro. It's unused and for sale. Perfect for those who want a spare charger or a replacement in case of a malfunction. 1. Compatible Model: Osmo Action 5 Pro 2. Battery Capacity: 2100mAh, Voltage: 3.85V. 3. The portable fast charging case is small, powerful, convenient, and practical. It has overcharge, short circuit, overheat, overcurrent, and overvoltage protection. 4. The charging box can intelligently switch charging modes according to the different charging states of the batteries, taking care of your batteries. It can store 3 batteries and 3 SD cards simultaneously. 5. The intelligent charging management system built into the charging box can identify high and low power and allocate the maximum battery to be fully charged first. Made in China. Purchased on Amazon. https://www.amazon.co.jp/dp/B0DKBGHJGT?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1