20Ah LiFePO4 Battery Pack with 46130 Cells and 25.6V Nominal Voltage, High Energy Density Key Specifications/ ... Special Features:Nominal capacity: 20AhNominal voltage: 25.6VCharge rate:Standard: 0.5CRapid: 1CCut-off charge voltage: ... dimensions: Ø45.6 x 130mmSelf discharge rate: 5%/month (25°C)Applications: electric tools, communication base stations, garden machinery, ...