The new Power Plus PBA W-C 4ah battery from the Bosch Home and Garden range is suitable for all tools in the Power For All 18v Alliance, including the Bosch "Green" 18v range of cordless DIY and Garden tools as well as those from other manufacturers in the alliance. Bosch have packed a 4ah battery into a much smaller form factor - this new battery is 23% more compact and 13% lighter than the standard Power For All 18v 4ah battery, and gives you 60% more runtime than the similarly sized 2.5ah battery. Specifications • Battery Voltage: 18v • Battery Type: Power For All (lithium ion) • Battery Capacity: 4.0ah • Dimensions (L x W x H): 125mm x 80mm x 50mm • Weight: 558g Features and Benefits • Suitable for all tools in the Power For All 18v Alliance, from Bosch and other manufacturers • 60% more power and runtime compared to a standard 2.5Ah POWER FOR ALL battery • 23% more compact and 13% less weight than a standard 4.0Ah POWER FOR ALL battery • 100% longer lifetime due to high-tech cells