Automotive Tools > Xantrex Xantrex xpower powerpack 400 plus 400 watts model 852 1900 The rechargeable XPower Powerpack 400 Plus delivers 400 Watts of portable AC power that can jump-start vehicles, while its integrated 250 PSI air compressor can inflate tires. Xantrex trucharge batt temp sensor for Optional sensor for instantly checking battery temperature. For use with items 45603, 45604 and 45620.