No batteries are needed for this super bright Duracell Rechargeable LED Flashlight featuring 3 LED lights with 8 lumens brightness and a built-in NiMH battery that can be recharged over 500 times. Simply plug into your vehicle's 12v power socket to charge. Includes a strong magnet in cap and a durable rubberized grip. Great for home, auto, camping, workshop and emergencies. Measures approximately 5" long. Countertop display comes with 48 pieces.