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Our take

Peak amps is close to a vanity figure. What determines whether it starts your car is sustained cranking current and pack capacity, and 3000A peak puts this comfortably into large-petrol and mid-size-diesel territory. The more useful warning is about storage: lithium packs degrade fast when they live in a car that bakes, which is precisely where every jump starter ends up, so a unit left in a glovebox through a hot summer can be flat exactly when you need it. Charge it every three months and it will be there. The compressor is handy but slow, so budget five to eight minutes for one tyre.

Best for: Anyone who wants one device covering a dead battery and a soft tyre

What works

  • Enough current for large petrol and diesel engines
  • Compressor removes a second purchase
  • USB output doubles as a power bank

What doesn't

  • Degrades if stored in a hot car
  • Compressor is slow to fill a tyre
  • Peak amp figure oversells real capability
ASINB0D4DLXNR1
BrandGooloo
Customer rating4.5 out of 5
Ratings4,684
CategoryJump Starters

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