The Clear-Com BAT41 is a Li-ion rechargeable battery, used to operate the BP200, BP210 and BP300 beltpacks along with the WH200, WH210 and WH300 Intercom Headsets.
The BAT41 batteries run up to 20 hours of beltpack/headset operation with each charge and use the AC40A Battery Charger(sold separately).
Please Note: This product contains Lithium Ion Batteries. Due to FAA regulation this item is restricted to ground transportation in the lower 48 contiguous states and cannot ship to Alaska, Hawaii or Puerto Rico