Order Online the Global Technology Systems HT5-LI replacement battery for Vocollect Talkman T5 wearable computers. It has 9% more capacity than the OEM battery and contains the highest quality battery cells. HT5-LI Battery Specs: (4700 MAH, Lithium Ion, Voltage: 3.7. OEM P/N, BT-700-1). For use with the Vocollect T5/A500. Rechargeable battery for Vocollect T5 and A500 devices. Replaces OEM BT 700-1 batteries.