![My first Lego Mod! I added motors and an RC receiver to the 42121 Excavator. I am not happy with the placement of the battery box but couldn't get it inside of My first Lego Mod! I added motors and an RC receiver to the 42121 Excavator. I am not happy with the placement of the battery box but couldn't get it inside of](https://i.redd.it/y096zl5c00391.jpg)
My first Lego Mod! I added motors and an RC receiver to the 42121 Excavator. I am not happy with the placement of the battery box but couldn't get it inside of
RacingBrick - Here it is, the LEGO Technic 42093 Hot Rod RC mod with Power Functions! This car has an M motor, a Servo, AAA battery box and an IR receiver squeezed
![Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.brickshelf.com/gallery/Hopey/RechargeableMod/battery.jpg)
Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.philohome.com/alimservo/as0.jpg)
Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.brickshelf.com/gallery/Hopey/RechargeableMod/AAA/dscf6362.jpg)
Rechargeable Battery Pack Mod - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![Build your LiPo rechargeable battery for Control+ and Powered Up hubs. - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Build your LiPo rechargeable battery for Control+ and Powered Up hubs. - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://philohome.com/pupbat/bats-v.jpg)