Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 2300mAh. Can charge 2 batteries at the same time; Can change the plate to charge different batteries. Easy to carry, the Charger Input: 5V 2-3A 15W; Output: 4.2V 800mA(x1) 800mA(x2). Intelligent LED USB dual charger displays charging status and battery capacity. Multiple charging option, Micro-USB input and Type-C input, come with a Micro USB cable. Compatible with Brother scanner models:

Brother LD0665001 Li-ion Battery MDS2E
Brother AP-1908 Rechargeable Battery

Brother Printer DS820W Wireless Document Scanner
Brother Printer DS920DW Wireless Document Scanner