Ending today, Groupon offers the Stanley FatMax Professional Digital Power Station, model no. PPRH7DS, for $99.99 with free shipping. That's the lowest total price we could find by $23, although we saw it for $5 less three weeks ago. It features a 700-amp jump starter, 120 PSI digital air compressor, 500-watt AC power supply with 500-watt inverter, two AC outlets, 12-volt and USB outlets, three nozzle adapters, compressor nozzle, clamps, and digital gauge.

Note that new customers can apply coupon code "WELCOME" to cut the price further to $89.99.