Product details:

When your engine needs a jump, Booster Pac Clore Jump Starters are up to the task. ES Series batteries in Booster Pac systems jump-start vehicles and withstand repeated professional use over long periods of time. Industrial-grade Hot Jaw clamps included. Automatic recharging. LED battery-status indicator. DC outlet to power 12-volt accessories. Wt: 18 lbs. Available: ES2500 900 peak amps. 300 cranking amps. 21 #4 AWG cables. ES5000 1,500 peak amps. 400 cranking amps. 43 #4 AWG cables.