This charger is not originally made by Xiaomi but from a reliable supplier named King Ma who is one of the famous camera accessory manufacturers in China. It is customized for Xiaomi Yi camera battery. It will charge two Xiaomi Yi camera’s Li-ion batteries simultaneously. Featuring USB compatibility, you can power it with most standard USB chargers, Power banks, Car Charger or a computer. Dual LED indicator lights display the charging status of both batteries: in process (amber) and fully charged (green).