Arctic-Tools via eBay offers the Jump-N-Carry 1,700-Peak Amp 12-volt Jump Starter
, model no. JNC660, for $108.99
with free shipping
. That's the lowest total price we could find by $8, although most stores charge at least $121. It features 425 cranking amps, 46" welding cable leads, industrial-grade clamps, and automatic charging.