BATTERY, MOTOROLA MANUFACTURER, PART NUMBER PMNN4489 (EX PMNN4489A), IMPRES 2900MAH, HIGH CAPACITY LI-ION BATTERY, LOW VOLTAGE, IP68 TIA, PHYSICAL CHARACTERISTICS WEIGHT LB 0.48 DIMENSIONS INCHES 4.5 HX 1.0 WX 2.0 L PRESENTATION CHARACTERISTICS IMPRES CHEMICAL LI-ION TECHNOLOGY NOMINAL CAPACITY MAH 2900.0 INTRINSIC SAFETY CLASSIFICATION ULTIA4950 DIV1 IP CLASSIFICATION IP68