Allstart Boost 550 1000 Amp Jump Starter and Portable Power UnitNew ultra-rugged design with 15% more power than our previous 550 model For use on a majority of V8 gas powered engines and many small diesel engines Wireless charging dock. Just place your Qi-enable mobile device on the Allstart logo, tap the power button, and charge your device Charges devices faster with quick charge output Very light at just over a pound Rugged jump start clamps with 100% copper inserts and anti-spark protection Jump starting cables detach, giving true portable power Auto-shutoff feature to conserve battery life Bright, multi-function LED flashlight Item Specs. Peak Amps: 1000 Battery Capacity: 37 Wh Dimensions: 6.5" x 3.375" x 1.25" (unit) and 7.68" x 4.13" x 4.13" (packaged) Weight .98 lbs. (power unit) 1.76 lbs. (packaged)