This AmazonBasics battery charger with USB port is perfect for charging your AA and AAA batteries. With a battery capacity of 4 and a voltage of 5V, it is compatible with various battery sizes and has a chemical composition of NiMH. The charger has a USB port for connectivity and is sold by a UK seller with free UK P&P. It is a type of USB charger and has a battery capacity of 4. The charger is designed for use with multipurpose batteries and power and is categorised under Sound & Vision and Battery Chargers. With its compatibility, type, and USB port connectivity, this battery charger is a must-have for anyone in need of reliable and convenient charging solutions.