$15 $29
Update: Both eBay and Amazon have $5 shipping, so it's $15 shipped.

eBay with Pep Boys has the Rally Cordless Emergency Boost-It Battery Jumper (7488) for $10 with free shipping. Amazon with Pep Boys has it for the same price. Has dual accessory power outlets with automatic short circuit protection.
$15 retail: $29
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Comments & Reviews (3)

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fobedt321
Ben's cred: 26
Posted 07/13/2016 at 05:34 AM PT
Posted 07/13/2016 at 05:34 AM PT
Shows $5 shipping on
eBay
&
Amazon.
Also precious little details about the item but...for $10 you probably can't go too far wrong.
ivyboy
Ben's cred: 33
Posted 07/13/2016 at 10:31 AM PT
Posted 07/13/2016 at 10:31 AM PT
Any idea how many amps this unit puts out? Can't find specs anywhere.
dave_c
Ben's cred: 5862
Posted 07/13/2016 at 12:12 PM PT
Posted 07/13/2016 at 12:12 PM PT
Can't be much more than a 7Ah SLA battery in it, so probably good for about 200A cranking, less when cold. Keep in mind that anything else you'd get for $30 or under, especially those little Li-Ion cell jumper packs, have grossly overrated cranking amps so you can't really compare except by battery size.

Might be suitable for a small 4 cylinder engine, or midsized engine in temperatures above ~50F and otherwise in good working order (starts fast with a good battery).

These might be old stock, if the battery voltage is already down under 10V I'd return it.