POWERTECH battery SP-PTM2-BAT for mobile phone Sentry II & IV, 900mAh
Powertech Rechargeable Lithium Battery for Sentry IV & Sentry Dual II Mobiles.
Specifications:
Capacity: 900mAh, 3.33Wh
Max charging voltage: 4.2VDC
Compatible with: PTM-23, PTM-26, PTM-17, PTM-16