Wicked Hunting Lights 4-Position 21700 Charger Kit w/ 4-Pack 21700 Li-Ion Batteries Black. This versatile charger will plug into your wall outlet or a 12 Volt DC cigarette lighter or power outlet and charge up to 4 21700 Lithium Ion rechargeable batteries. Specifications for Wicked Hunting Lights 4-Position 21700 Charger Kit w/21700 Li-Ion Batteries: Manufacturer: Wicked Hunting Lights Color: Black Battery Type: 21700 Lithium Ion Battery Capacity: 5000mAh Battery Quantity: 1 Capacity: 4 Battery Chemistry: Lithium-Ion Package Contents: Wicked Hunting Lights 4-Position 21700 Charger Kit w/21700 Li-Ion Batteries 4x 21700 Li-Ion Batteries Wicked Hunting Lights W2068: 4-Position 21700 Charger Kit w/ 4-Pack 21700 Li-Ion Batteries Black