Pliants PBT-LIP-01 is a 3.7 VDC, 2000 mAh rechargeable Lithium-Polymer battery for use with Radio Packs, BeltStations and MasterBelt. Provides up to 9 hours of active use.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.