2 in 1: Charger and Power Bank. This charger with LED display not only powers 1.2 V AA/AAA Ni-MH batteries but also acts as a power bank with a maximum output current of 500 mA when charged batteries are inserted, allowing you to charge smartphones and other devices while traveling. Each charging slot provides 500 mA of charging current to quickly recharge your batteries. Safe operation: The charger is equipped with short circuit and reverse polarity protection and can detect non-rechargeable batteries. Included in the package is a USB-A to USB-C cable and a user manual.