... pressure 70~106kPa, relative humidity30%~90%Battery Rechargeable lithium Polymer battery,7.4V,1600mAhBattery recharge When the pump is ... connected to the AC power supply, turn on the power and the battery ... Class II,Type BFAlarm functionsNear, Over,OCCL.,low battery, syringe installation error, control abnormal, machine malfunctionAccumulated ...