Kastar 4-Pack 2300mAh 3.7V Li-ion Batteries + LTD2 USB Dual Charger for Brother LD0665001 MDS2E AP-1908 — Compatible with DS820W / DS920DW Scanner/Printer

Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 2300mAh. This kit includes four replacement Li-ion batteries and the LTD2 USB dual charger. The charger can charge 2 batteries at the same time and features a removable plate so you can swap it to fit different battery types. Compact and easy to carry, the charger accepts both Micro-USB and Type-C power inputs and includes a Micro USB cable for convenience. Charger Input: 5V 2-3A 15W; Output: 4.2V 800mA(x1) 800mA(x2). An intelligent LED display on the USB dual charger indicates charging progress and shows battery capacity.