Replenish the power of one or four Panasonic DMW-BLJ31 or non-OEM batteries for select digital cameras with the Four-Position Battery Charger from Dolgin Engineering. The unit is capable of simultaneously charging all four batteries and it can fully charge a depleted 3050 mAh battery in approximately two and a half hours. It runs on 100-240 VAC power for worldwide use and the charger features adapter plates.

As a battery is charged, its status is displayed in volts, capacity (Ah), and percentage of charge complete. This charger also features a built-in Test Discharge Module, which adds additional testing functionality and reports true capacity after cycling the battery through charge, discharge, and recharge processes.