These are the battery holders that I'm currently running on my BZ5. These are designed to work with soft packs and have not been tested with the hard case batteries from Reflex, GL, etc.
These are designed to use the aluminum battery mount base, shims and screws that come with the car. Simply shim them up to the height required to hold your battery in snugly.
Battery_Holder_450mah_v2.3.stl | 14.4KB | |
Battery_Holder_v2.4.stl | 14.4KB |