Powered by a 58-Volt, 5.2Ah, lithium-ion rechargeable battery, the all-new Jonsered battery-powered chainsaw delivers the power, performance, and runtime typical of traditional gas-powered tools — without the hassle of mixing and storing fuel, or the harmful emissions. Featuring a brushless motor for efficiency, long life, and extended runtime; instant push-button starting; integrated power boost technology; built-in battery power meter so it's easy to monitor power usage; and a handle-mounted, easy-to-view battery power indicator that guarantees you'll never run out of power mid-task; this quiet, convenient, ergonomically designed, and environmentally friendly chainsaw is easy to start and easy to operate. It also features a substantial 16" bar and electronic chain brake with highly visible LED alert so user always knows when chain brake is activated. It's equipped with chain tension assist technology for intuitive indication of too loose or tight chains, and simple chain tensioning — with no tools required. With other impressive features like automatic bar and chain oiler and onboard metal bucking spikes that reduce the chance of dangerous kick-back, this chainsaw has with plenty of power for storm clean-up, trimming, and felling small trees.