... Alarm function: Infusion completion,occlusion,air bubble,low battery, control abnormity,No AC power and installation error. Applicable IV ... Power supply: AC100-240V,50/60 Hz Battery: Rechargable lithum polymer battery,7.4 V,1650mAh. Maximum consumption: 25VA, ... power supply,turn on the power and the battery will automatically recharge.(about 8-14 hours to ... our proudcts, please feel free to contact me.