Tamiya Hotshot side battery catches. We come up with these variations to accommodate lipo battery packs of different sizes.

This one is made slightly longer than the original one so to accommodate slightly longer lipo pack.

upgradeparts-hotshot-battery-catch

This is a shorter than standard version:

upgradeparts-hotshot-battery-catch-shorter

This one is even shorter:

upgradeparts-hotshot-battery-catch-shortest

This one is for very short and small lipo:

upgradeparts-hotshot-battery-catch-forverysmalllipo