Kastar 2-Pack EN-EL4a 3200mAh (11.1V) Batteries + AC LCD Dual Fast Charger (110-240V) — Compatible with Nikon EN-EL4/EN-EL4a/EN-EL4e, MH-21/MH-22, MB-D10/MB-40 (w/ BL-3 Chamber)

Two Kastar replacement Lithium-Ion batteries, each 11.1V and 3200mAh, designed to deliver long-lasting power at a competitive price. Included is the Kastar LCD Dual Fast Charger with worldwide AC input (110-240V) that can handle batteries with voltages from 6.8V to 16.8V and any capacity. The charger’s MCU-based intelligent control automatically detects the battery voltage, applies CC/CV charging for reliability and efficiency, and prevents overcharging. Its LCD reports charging status and battery capacity, and the unit can charge two batteries at once. Additional features include interchangeable plates for broad compatibility, pre-charge capability and Li-ion 0V activation to help extend battery life. Compatible with Nikon EN-EL4, EN-EL4a, EN-EL4e batteries and Nikon MH-21 / MH-22 chargers, and suitable for Nikon Grip MB-D10, D300, D300S, D700, MB-40 (w/ BL-3 Chamber).