Ultimate "Race Edition" 1/8 scale hard case pack for the HPI Vorza Flux. As you racers know, the most important factor for your batteries is voltage under load. This lipo pack boasts a 150C rating for all your amp hungry racing setups. It will maintain higher voltage under load than any other lipo battery pack we've tested. Plus, you'll have no problem getting plenty of runtime with an industry leading 6500mah of capacity.