Battery for barcode scanners TALKMAN T2, TALKMAN T2X Tank QUALITY CONSISTS OF A TOP OF THE LINE PLASTIC HOUSING AND HIGH GRADE CELLS. Voltage: 7.4 lithium-ion (Li-Ion) battery, which is rated at 3800 mAH capacity Compatible with Vocollect barcode scanners TALKMAN T2, TALKMAN T2X Replaces Vocollect battery part numbers: 730021, 730022, BT-602-1, VC20L2-G Has 18 Month Warranty Housing Material : GE Cycology C2950 PC/ABS Housing Flammability: UL94-V0 Housing Hardness: Rockwell R123 Overcharge Protection: Yes (4.3V +/- 0.025V) Overdischarge Protection: Yes (2.4V +/- 0.08V) 18 MONTH FREE REPLACEMENT WARRANTY