Lasernut U4 Parts (LOS03028)

Shop parts for the Losi Lasernut U4 (LOS03028). Match the part number in your vehicle manual before ordering.

Batteries and chargers

3S battery and charger bundle (SPMXPSS300)

One 11.1V 5000mAh 3S 50C LiPo with an IC5 connector and an S155 AC charger. The charger plugs into a wall outlet. Use one battery at a time in this model.

Before using 3S: Install the supplied 14-tooth motor pinion. The factory-installed 12-tooth pinion is for 4S, as explained in the Losi manual.

For the original factory electronics. Use the vehicle's LiPo setting and follow its battery installation instructions. If the electronics or battery connector have been changed, ask us to check the setup first.