Traxxas iD LiPo Battery - 6400mAh 11.1V 3S 25C
Brand: Traxxas
Part No: TRX2857X
In Stock: Usually ships same day
The Traxxas Power Cell 11.1V 6400mAh 25C 3S iD LiPo Battery delivers strong, consistent power for Traxxas brushless models. Built with premium LiPo cells, an iD High-Current Connector and 12-gauge Maxx Cable, this semi-rigid pack is engineered for efficient power transfer, long run times and a secure fit with a centre-wire layout. Covered by Traxxas' Lifetime Battery Exchange Program.
Suggested Compatibility
Ideal for VXL brushless platforms; some models may require expansion kits due to battery size:
- Rustler VXL – expansion kit TRA3725X
- Bandit VXL – expansion kit TRA3725X
- Stampede VXL – expansion kit TRA3725X
- Stampede 4x4 VXL – expansion kit TRA6727X
Features
- Semi-rigid construction eliminates the need for a hard case and reduces potential connector failures
- Engineered specifically to complement Traxxas vehicle layouts
- High-current connector with gold-plated copper terminals and integrated balance functionality
- iD Auto Battery Identification for automatic, optimised charge settings with Traxxas iD chargers
- MAXX Cable high-efficiency 12-gauge silicone-jacketed wiring
What’s Included
- Traxxas Power Cell 11.1V 6400mAh 25C iD LiPo 3S Battery with iD High-Current Connector
Required To Complete
- LiPo charger equipped with an iD connector (or use Traxxas 2938 iD LiPo charge adapter)
Specifications
- Configuration: 3S2P
- Continuous Discharge: 25C (160A)
- Max Burst Rate: 50C (320A)
- Watt Hours: 71.04
- Charge Rate: 1C (6A)
- Max Charge Rate: 2C (12.8A)
- Dimensions: 138 x 41 x 43 mm (5.4 x 1.6 x 1.7 in)
- Weight: 502 g (17.7 oz)
Secured by Stripe
This is the Traxxas Power Cell 11.1V 6400mAh 25C 3S iD LiPo Battery with iD Connector. Traxxas’ 6400mAh 3S Power Cell LiPo packs are ideal for Rustler VXL, Stampede VXL, Stampede 4x4 VXL, and Bandit brushless VXL models. Some models may require expansion kits to fit this battery.
Battery expansion kits are required in some models due to the size of this battery:
Rustler VXL (TRA3725X)
Bandit VXL (TRA3725X)
Stampede VXL (TRA3725X)
Stampede 4x4 VXL (TRA6727X)
Power Cell LiPo packs are engineered to give the punch and on-demand power to reach the top speeds Traxxas models are built to achieve. Premium LiPo cells developed specifically for Traxxas feature oversized discharge tabs for maximum efficiency. The cells are hard-wired with 12-gauge Maxx Cable, eliminating the resistance and power-loss associated with plug-in wires. The standard XH plug permits balance charging with the #2933 EZ-Peak Plus LiPo/NiMH charger, and the Traxxas High-Current Connector assures total power transfer for higher speeds, longer run time, and more fun from every charge. The packs’ semi-rigid construction results in a firm, rugged, and compact pack that does not require a hard case, and the center-wire configuration assures a pinch-free fit in Traxxas vehicles. Covered under Traxxas' Lifetime Battery Exchange Program.
Features
- Semi rigid construction does not require a hard case and eliminates wire harness connectors that can loosen and fail
- Engineered specifically to fit Traxxas models
- New high current connector with gold-plated copper terminals and integrated balance connector
- iD Auto Battery Identification allows Traxxas iD equipped chargers to automatically set and optimize charge settings for specific battery
- MAXX cable high-efficiency 12 gauge silicone jacketed wire
Premium LiPo cells developed specifically for Traxxas feature oversized discharge tabs for maximum efficiency. The cells are hard-wired with 12-gauge Maxx Cable, eliminating the resistance and power-loss associated with plug-in wires. The pack's semi-rigid construction results in a firm, rugged, and compact pack that does not require a hard case, and the center-wire configuration assures a pinch-free fit in Traxxas vehicles.
Includes:
Traxxas Power Cell 11.1V 6400mAh 25C iD LiPo 3S Battery with iD High-Current Connector
Requires:
LiPo charger equipped with iD connector (or with Traxxas 2938 iD LiPo charge adapter)
Specifications
- Configuration: 3S2P
- Continuous Discharge: 25C (160A)
- Max Burst Rate: 50C (320A)
- Watt Hours: 71.04
- Charge Rate: 1C (6A)
- Max Charge Rate: 2C (12.8A)
- Dimensions: 5.4 x 1.6 x 1.7" (138 x 41 x 43mm)
- Weight: 17.7oz (502g)
Key Info:
- Brand: Traxxas
- Part No: TRX2857X
- Barcode: 020334285799
- Voltage: 3S - 11.1v
- Case Type: Soft Case
- Connector: Traxxas
Additional Categories:
Free Shipping
This item is over £100, so qualifies for free standard UK shipping!
Express Shipping
Upgrade to next day from £3
Worldwide Shipping
Available at checkout
Reviews
No specific product reviews yet, why not write one?WRITE A REVIEW
Questions & Answers
On the listing it says
Battery expansion kits are required in some models due to the size of this battery:
Rustler VXL (TRA3725X)
Bandit VXL (TRA3725X)
Stampede VXL (TRA3725X)
Stampede 4x4 VXL (TRA6727X)
That will give more runtime and power but check dimensions to make sure it fits.
This will fit but you will need the battery expansion pack. TRX5827X
No you will not fit 2 of these in the Sledge.
yes it will charge on that charger, and yes it will fit in that car
Yes the TRX2970TX EZ Peak Plus would charge these no problem.
Yes, those will fit the MAXX 1:10
These are too big, take a look at TRX2872X
It's highly recommended to use the TRX3340 fan when running on 3S
Yes, that should all work together.
You will need the TRX3725X expansion kit though.
We'd recommend any of the Traxxas LiPo ID chargers:
https://wheelspinmodels.co.uk/s/?q=trx+id+charger
ASK A QUESTION
For more in depth queries, please contact us.














Traxxas ID EZ Peak Plus Dual Charger - 100W
Traxxas Link Bluetooth Wireless Module
Traxxas Battery Tray Expansion Kit
Traxxas Velineon VXL-3s ESC Cooling Fan
Traxxas EZ Peak Live 200W - Dual NiMH/LiPo iD Charger
Traxxas iD LiPo Battery - 5000mAh 14.8v 4S 25C (155 x 34 x 45mm)
Traxxas iD LiPo Battery - 5000mAh 11.1V 3S 25C - 134 x 42 x 28mm
Traxxas 6700mAh 14.8V 4S 25C LiPo ID Battery (178 x 44 x 50mm)
Traxxas EZ Peak Plus 4 AMP NiMh/LiPo ID Fast Charger
Traxxas iD LiPo Battery - 7600mAh 7.4V 2S 25C
Traxxas Slash LCG Battery Expansion Kit - Battery hold-down tall (1)/ hold-down retainer front rear (1 each) (allows for installation of taller multi-cell batteries)
Traxxas 32DP Pinion Gear Gear - 3.2mm Shaft - 11T
Traxxas Bearing adapter 6160-T6 Aluminium (blue-anodized) (1)/10x15x4mm ball bearing (blue rubber sealed) (1) (for slipper shaft)
Traxxas Battery expansion kit (allows for installation of taller multi-cell battery packs)