To maximize Traxxas TRX-4’s capabilities, you need a battery that not only meets its power requirements but also promises longer run times for an uninterrupted adventure.
In the following sections, we’ll explore some of the best battery options for your TRX-4 K10. We’ve considered factors such as power output, endurance, compatibility, and the all-important ‘Traxxas-Tough’ durability while curating this list. Let’s get ready to take your scale adventures to new heights!
Tips: TRX-4’s Battery Tray Size is 158.75 L x 47 W x 23/26 mm H.
Gens ace 5000mAh 3S 50C

Brand: Gens ace
Voltage: 11.1V
Capacity: 5000mAh
Discharge Rate: 50C
Connector: XT60 and Deans Plug
Dimensions: 153mm x 47mm x 24mm (L x W x H)
Weight: 256g
This replacement battery provides about 30 minutes of run time, enough to complete most of my off-road adventures without the worry of a power interruption.
The high discharge rate of 50C gives the Traxxas TRX-4 K10 the ability to instantly respond to challenging terrains. The power delivery is impressive, allowing for sudden bursts of speed or quick reversals when needed. This battery truly supports the Traxxas K10’s promise of all-terrain capability with its consistent power output.
Moreover, its compact dimensions and relatively light weight of 256g ensure that it does not interfere with the balance and maneuverability of the vehicle. The Gens ace 5000mAh 3S 50C proves to be a reliable source of power that can endure the rough and tumble of off-road RC adventures while supporting the Traxxas-Tough™ durability standard.
OVONIC 3s 50C 5500mAh

Brand: OVONIC
Voltage: 11.1V
Capacity: 5500mAh
Discharge Rate: 50C
Discharging plug: Deans-T
Pack: Soft case
Dimensions: 155mm x 47mm x 24mm
Weight: 376g
As a reviewer and a father, I can confidently say that the OVONIC 3s 50C 5500mAh battery significantly stands up to its promise of power and durability. My seven-year-old son has a knack for pushing our TRX-4 K10 to its limits, and so far, this battery has not disappointed me.
The 5500mAh capacity is more than enough to power extended play times, and the 50C discharge rate ensures that the Traxxas TRX-4 K10 delivers its all-terrain capabilities without a hitch. Its power matches perfectly with the vehicle’s factory-installed Long Arm Lift Kit and oversized tires, offering vigorous performance whether it’s climbing steep inclines or navigating through tricky terrains.
The robustness of the OVONIC replacement battery also impresses me. It has handled rough treatment and survived for about six months without any issues, echoing the Traxxas-Tough™ durability. Moreover, its affordability compared to local hobby shops is a bonus, providing performance and reliability at a great value.
Zeee 5200mAh 50C 3S

Brand: Zeee
Voltage: 11.1V
Capacity: 5200mAh
Discharge Rate: 50C
Connector: Soldered Deans Plug and XT60 Replacement Plug
Dimensions: 132mm x 43mm x 25mm (L x W x H)
Weight: 343g
The 5200mAh capacity provides plenty of run time for extensive trail adventures, and the 50C discharge rate ensures the TRX-4 K10 maintains its all-terrain capabilities, even when climbing steep inclines or navigating through rough and challenging terrains. The battery delivers consistently high performance, with almost no sag even when the ‘Bluetooth module’ throws up a low voltage warning. It’s this kind of endurance that makes the battery a perfect match for the high standards of the TRX-4 K10.
Furthermore, the Zeee replacement battery integrates well with the TRX-4 K10’s scale adventure capabilities, offering strong power that’s well-suited to the vehicle’s factory-installed Long Arm Lift Kit and oversized tires. The result is a balance of power and performance that ensures a satisfying driving experience. In conclusion, this battery not only meets but exceeds expectations for value, performance, and reliability.