Li-Ion OEM battery for the Audiovox BTR6600. The PAU-BTR6600-OEM is designed to fit the Audiovox PPC-6600, PPC-6601, XV6600 (HTC Harrier); and Siemens SX66, MDA III, PDA2k (HTC Blue Angel).
Note that a new Lithiumion battery's full capacity is only achieved after 2-3 complete charge and discharge cycles. Charge the initial 24-hour battery charge with the cell phone turned off. Battery may not fit into desktop charging stands & some holsters & cases.
Warranty: 1 Year