LiPo regulator XS. Newly developed ultra small Lipo regulator . 22mm(L) x 12mm(W) x 7mm(H).less then 7 grams only. To ensure the voltage that goes into you receiver is correct, when used with Xceed LiPo packs, we have a special lightweight regulator for dropping the voltage from 7.4V to 6V, eliminating the chance of damaging your radio equipment. 5 amps version.