You can never be too prepared when it comes to your car and Wagan's 4-in-1 Extreme Power Pack will always make sure you've got the necessary tools to get back on the road. The Extreme Power Pack features a rechargeable battery that powers the jumper cables, air compressor, ac power, and dc power, all in one portable kit. [$100]
myCharge's Adventure Extreme is a mobile battery built for the most demanding power users
A power hog's dream battery.