Compared across 2 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The 4250A is a compact lithium jump starter pack meant to revive a flat car battery without a second vehicle. Its headline figure is a 4250A peak current claim, which is far above what most consumer packs advertise and should be treated as a marketing peak rather than a steady rating. The best new price is $39.99 at Threadory as of November 5, 2026, with two stores listing it new. At that price it sits at the low end of what a jump starter costs, so it is a budget pick rather than a premium one.
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Availability unknown
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Lowest price we've seen: $369.95 on Nov 6 at Amazon. Tracked across 1 store since Nov 6.
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