"This jump start has enough power to jump any diesel, has heavy-duty cables that are long enough to reach most batteries while sitting on the ground. I really like the on-off switch, it makes"... (read full reviews)

Truck Pac 12/24 Volt Portable Power Source, Model# ES1224 Reviews (2 reviews)Buy Now

Overall Rating:

"This unit is amazing. I originally bought the J900 and soon after realized that the 12/24 volt HD version best suited some of my equipment; 24v tractors, mil-spec generators, etc. I gave the J900 to"... (read full reviews)

NPower 800 Amp Jumpstarter Reviews (23 reviews)Buy Now

Overall Rating:

"Thought this would make a great Christmas present so I bought two. Turns out they don't fully take a charge. At best I can turnover a warm engine with decent battery strength. Typically those times"... (read full reviews)

NPower 500 Amp Jumpstarter Reviews (4 reviews)Buy Now

Overall Rating:

"I used this power pack today to start my car 3 times, once when I left work and the other 2 as I searched for a better priced battery. After 3 starts it still shows a full charge. Nice and compact so"... (read full reviews)

Truck Pac Industrial-Grade 12 Volt Jump Starter and Power Source - 3000 Peak Amps, Model# ES6000 Reviews (13 reviews)Buy Now

Overall Rating:

"This is the greatest booster pack that I have ever used. It seems to have unlimited power and durability. We have boosted as many as 10 units on a cold morning without fail. I highly recommend it"... (read full reviews)

Schumacher DSR ProSeries Heavy-Duty Jump Start - 4400 Amp, For 12V & 24V Batteries, Model# PSJ-4424 Reviews (3 reviews)Buy Now

Overall Rating:

"Started the 7.3 diesel when the alternator quit. got me out of a bind. Will be very useful for the cruiser, too. That always needs jumping if it sits for a few days. I can use this for the diesel tank"... (read full reviews)

Schumacher DSR ProSeries Heavy-Duty Jump Start - 2200 Amp, For 12V Batteries, Model# PSJ-2212 Reviews (8 reviews)Buy Now

Overall Rating:

"Used less than 5 times in first year. Product worked well and has nice clamps. Recently left DSR attached to a vehicle on the lift for a full weekend and now it no longer holds a charge at all."... (read full reviews)

NPower Powerpack Emergency Power Source with Air Compressor - 500 Amps, 400 Watts Reviews (37 reviews)Buy Now

Overall Rating:

"Used to start up a diesel generator for a whole house multiple times in a 4 day period with out recharging this unit. Also used to recharge my cell phone same time period. Great product, whenever I go"... (read full reviews)

NPower Powerpack Emergency Power Source with Air Compressor - 300 Amps, 100 Watts Reviews (8 reviews)Buy Now

Overall Rating:

"Great tool for charging cell phones, using LED, air compressor, but by no means able to jump start a dead battery. Another problem is that device loses charge itself within days, not for the time"... (read full reviews)

NPower Flex Powerpack XL 6-In-1 Powerpack/Jumpstarter, Air Compressor System Reviews (4 reviews)Buy Now

Overall Rating:

"The website and the product manual advertise that the booster can hold up to a U-1 battery and that there is a removable plastic holder inside to allow this. In reality there is no removable box and"... (read full reviews)