The Bosch compact 20cm, 8”chainsaw is supplied with everything you need to get going. The 18v / 2.5 Ah battery is fully charged & ready to go within 60 minutes & runs for Approx. 40 cuts per charge. The battery has a charge indicator to display power levels. The 20cm bar is ideal for pruning small branches & sawing firewood. The chainsaw comes with plenty of quality features such as automatic lubrication & tool-less chain tensoning. The battery can quickly charge to 80% in 40 minutes & full charge within 60 minutes. Specification Power: 18v / 2.5 Ah: Guide bar: 20cm / 8 nch Chain Speed: 4.2m/s Run time: 40 cuts Charge time: 60 minutes Tool-less chain tensioning Tip Guard: Yes Weight: 3kg Warranty: 2 Year