UpowerLead-acid battery AGMNominal 6 voltage VNominal capacity 3.2 AhMaximum initial current <0.96Use at stand-by 6.75~6.9 VCyclic use 7.2~7.5 VDimensions 66
Zinc–air batteryNominal 6 voltage VConsumption 250 mACapacity 6000 WhAccumulated energy 1680 WhDischarge time 1200 hNo recargableDimensions: 125 (H) x 240