Car Guide
Losi Lasernut U4
Use this page for the core chassis details, then jump into the fitment page when you want the full battery match list.
Car Snapshot
Tray Dimensions
139x47x25mm
Connector
IC5
Max Voltage
4S
Platform
Rock Racer
The Losi Lasernut U4 is a 1/10-scale 4WD brushless Ready-to-Run rock racer designed for high-speed off-road performance.
Source: Losi Specs
Interlinking
Featured Compatible Batteries
See Also
Full fit results
Open warning filters, pagination, and the complete battery list for this chassis.
Compare other cars
Use the cars index to compare tray sizes, connectors, and platforms.
Open the guides hub
Read connector, safety, and battery-tray guides before choosing a pack.
2S vs 3S decision guide
Useful when this chassis supports multiple cell counts or power levels.