Spire Payments & Hypercom Battery Li-ion for M4230 and M4240 Bluetooth and GPRS terminals.
For your first use, please charge for a minimum of 12 hours to prolong battery life and charging potential.
Specification
Rechargeable battery 7.4V 1.88Ah 14Wh
CAUTION: RECHARGEABLE BATTERY – USE ONLY SPECIFIED CHARGER-MAY EXPLODE IF EXPOSED TO FIRE-DO NOT SHORT CIRCUIT-MUST BE DISPOSED OF PROPERLY