Cordless Chainsaw - Ryobi OCS1830 18V ONE+
High-performance 18V Brushless Motor Technology 30cm Oregon Bar and Chain with a chain speed of 10 ms Automatic oiling system and tool-less chain tensioning Mechanical chain brake for extra safety
Main uses would be for cutting firewood and clearing any tree that may have fallen across your track. Always buy and carry a few spare batteries and ensure you charge them just before you go on your next escape.