Product details:

NP-F770 Lithium-Ion Battery Pack, Battery Charger, 12 VDC Cigarette Lighter Adapter, 4000mAh Battery Capacity, Up to 6-Hour Runtime, Charger Plugs into AC Wall Outlet, 110-240 VAC Power for Worldwide Use. Keep your compatible LED light up and running with the NP-F770 Lithium-Ion Battery Pack & Charger Kit from ALZO. Included in the kit are a Sony-style NP-F770 lithium-ion battery pack with a capacity of 4000mAh and a charger that plugs into a wall outlet and runs on 100-240 VAC power. Additionally a cigarette lighter adapter is included to enable you to plug the charger into your car's cigarette lighter socket so you can charge your battery while traveling in your vehicle.