The Efest LUC BLU6 is a powerful charger from Efest capable of charging 6 batteries at once. Building upon the success of the LUC battery charger brand, Efest has created the first Bluetooth 6 bay multi-charger. This charger features a Bluetooth App (requires Android 4.3 or iOS 7, Bluetooth 4.0) that allows you to monitor your battery charging status and change the charging current.