Item: B41-1755 
Stanley 450 amp battery jump starter with compressor- Jump starts batteries without the need of another vehicle- Built-in 120 Volt AC charger, recharges unit with standard household extension cord. Includes built in 120 PSI compressor with easy to read backlit gauge. For fast inflation of tires, sport equipment and more - Reverse connection warning provides audible and visual alarm- Ideal for roadside emergencies and safety - Enough power to start cars, trucks, RVs and trucks with 12 volt battery systems
Jump starts batteries without the need of another vehicle - Ideal for roadside emergencies and safety.
Review: Stanley 450 AMP Jump Starter
No too heavy - Started my car right up - no problems
I bought it because my battery was always ging dead. It served the purpose and the price was actully cheper thanb Amazon.com