This 3M PELTOR Rechargeable NiMH Battery Pack (ACK053) is designed for specific 3M PELTOR recharging headsets, including LiteCom BRS Headsets, WS Headset XP, WS Ground Mech, WS ProTac XP, and LiteCom BRS Headsets. It is also compatible with 3M PELTOR FL6000 series Bluetooth Adapters. The battery pack offers fast and reliable recharging. NiMH, AA, and Lithium-Ion battery pack options are available, making it suitable for a wide range of industries. Please note that the Peltor FR09 recharging cable or charger and cable are required and sold separately. The battery pack has dimensions of H:8.0 x W:8.0 x D:10.0 cm and weighs 0.46 pounds. It comes in grey and has a 1-year guarantee. This product is sold as 1 each/case.