... tube slope etc. Diagnosis malfunctions: Low battery,damage battery,abnormal drip detector,abnormal peristaltic finger ... 50Hz/60HzLi-battery,DC11V 2000mAhAC:80V-240V; Battery:10*AA size NIMHPower consumption≤20WBattery LifeThe battery can be ... used approcimately 10 hours,if it is fully charged after charging 6 hoursWhen battery ...