![Biggest batteries I've found to fit in the stock XRT battery tray are these HRB 9500mah 4s 120c packs. The Lectron pro 5200's the hobby sold me are way too small. These Biggest batteries I've found to fit in the stock XRT battery tray are these HRB 9500mah 4s 120c packs. The Lectron pro 5200's the hobby sold me are way too small. These](https://i.redd.it/biggest-batteries-ive-found-to-fit-in-the-stock-xrt-battery-v0-3r5hhqwt4u2a1.jpg?width=4032&format=pjpg&auto=webp&s=741876a93a98e88ac5cae5528e1452fedd1b74f3)
Biggest batteries I've found to fit in the stock XRT battery tray are these HRB 9500mah 4s 120c packs. The Lectron pro 5200's the hobby sold me are way too small. These
![Machined Battery Tray w/ Composite Plate for Vaterra Twin Hammers 1.9 Rock Racer for R/C or RC - Team Integy Machined Battery Tray w/ Composite Plate for Vaterra Twin Hammers 1.9 Rock Racer for R/C or RC - Team Integy](https://cdn.integy.com/product-images/C26870BLUE.jpg?class=stpli)
Machined Battery Tray w/ Composite Plate for Vaterra Twin Hammers 1.9 Rock Racer for R/C or RC - Team Integy
![Battery Tray w/ Strap for Standard Size Hard Case Lipo on 1/8 & 1/10 Vehicles for R/C or RC - Team Integy Battery Tray w/ Strap for Standard Size Hard Case Lipo on 1/8 & 1/10 Vehicles for R/C or RC - Team Integy](https://cdn.integy.com/product-images/C23944.jpg?class=stpli)