The 1/18 scale Traxxas TRX4M and TRX4MT both have a battery tray size of 51 x 31mm (L x W), you can upgrade the stock batteries to a higher capacity 2s lipo battery for longer running time.In order to greatly find the maximum capacity battery suitable for both. We first analyze:
The width of the battery tray size for both crawlers is fixed, so the maximum width of the battery can only be 30mm. however, there is no limit to the length and height, which means that it is possible to run slightly longer and slightly taller batteries. After real world testing, the following two small batteries fit these battery tray size requirements very well and offer longer running times than stock batteries, making them the perfect upgrade option.
Battery Recommendations
URGENEX 1200mAh 2S 35C 7.4V Lipo Battery with PH2.0 & JST Plug
Brand: VICMILE
Voltage: 7.4 Volts
Capacity: 1200mAh
Discharge Rate: 35C
Connector: JST & PH2.0
Size: 55mm x 30mm x 16mm
Weight: 53.2g
URGENEX 1100mAh 2s 35C 7.4V Lipo Battery with Deans T Plug
Brand: URGENEX
Voltage: 7.4 Volts
Capacity: 1100mAh
Discharge Rate: 35C
Connector: Deans T Plug
Size: 55mm x 30mm x 16.5mm
Weight: 52g
These 2s lipo batteries are the best replacement you can find on the market today, not only do they offer an extra 50 to 60% running time without having to change batteries as often. They also provide more output power, which improves control accuracy and gives the TRX4M and TRX4MT better climbing ability.
Frequently Asked Questions
Q1: Is the Traxxas charger compatible with other brands of batteries?
Not compatible. You will need to use one of those generic RC chargers on the market.
Q2: Is the Traxxas connector compatible with other connectors?
No. The TRX4M and TRX4MT use a new connector from Traxxas, so you will need to use an adapter or replace the connector.
Q3: Traxxas battery vs. other brand battery, which is better?
If you are willing to take the time, you can find many great battery alternatives on the market that are not only reasonably priced, but offer better discharge performance, longer run times, and better quality.