Kastar 4-Pack BLH-1 7.4V 1750mAh Lithium-Ion Batteries with LTD2 USB Dual Charger — Compatible with Olympus OM-D E-M1 Mark II, OM-D EM1 Mark II, OM-D E-M1 MARKII, OM-D E-M1 MARK2, OM-D E-M1X EM1X, OM-D EM1 Mark III

Includes four BLH-1 lithium-ion camera batteries: Battery Type: Lithium-Ion; Battery Voltage: 7.4V; Battery Capacity: 1750mAh. The LTD2 USB dual charger can power and charge two batteries at once and features a removable plate so you can swap it to accommodate different battery types. Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2). An intelligent LED on the USB charger indicates charging progress and remaining battery capacity. Multiple charging options are supported with both Micro-USB and Type-C inputs, and the package includes a Micro USB cable.