Traxxas 8222 hook and loop battery strap. Secures small 2200 2-cell or 1400 3-cell LiPo batteries to the TRX-4 front battery plate. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.