Search  for anything...

Traxxas 2849X 3-Cell LiPo Battery 4000

Based on 567 reviews
Condition: New
Checking for inventory...

Notify me when this product is back in stock

$70.73
Holiday Deal · 9% off was $77.98

Buy Now, Pay Later


As low as $11.79 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Unavailable
Fulfilled by Amazon

Available payment plans shown during checkout

At a glance

Condition
New
Model
2849X
Dimensions
1.5 x 1.5 x 1.5 in
Weight
0.01 oz
Battery Capacity
4000 Milliampere Hour (mAh)
Battery Cell Type
Lithium Polymer
Voltage
11.1 Volts

Features 5

  • Traxxas 2849X - Power Cell 3S 11.1V LiPo Battery, 25C 4000mAh, iD Connector
  • 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
  • Includes: (1) Battery with High Current Connector
  • Specs: Configuration: 3S1P Continuous Discharge: 25C (100A) Max Burst Rate: 50C (200A) Watt Hours: 44.40 Charge Rate: 1C (4A) Dimensions: 5.3 x 1.02 x 1.7" (135 x 26 x 43mm) Weight: 11.1oz (316g)

Description

This is the Traxxas Power Cell 11.1V 4000mAh 25C 3S LiPo Battery. 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. Includes: (1) Battery with High Current Connector and Integrated Balance Plug Requires: LiPo compatible charger such as the Traxxas EZ-Peak Plus LiPo charging bag Specs: Configuration: 3S1P Continuous Discharge: 25C (100A) Max Burst Rate: 50C (200A) Watt Hours: 44.40 Charge Rate: 1C (4A) Dimensions: 5.3 x 1.02 x 1.7" (135 x 26 x 43mm) Weight: 11.1oz (316g)

Specs 18

Number of Batteries 1 Lithium Polymer batteries required. (included)
Brand Traxxas
Battery Cell Composition Lithium Polymer
Battery Capacity 4000 Milliampere Hour (mAh)
Recommended Uses For Product Traxxas Car , Trucks
Model Number 2849X
Model Name 2849X
UPC 013048004992

Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Great little battery
Got this for my sons toy and works great! Good quality for the price and has a good battery life.
Reviewed in the United States on December 11, 2025 by Mattie

Rc battery
Great battery
Reviewed in the United States on May 4, 2026 by Dana R Johnson

ok
Oi
Reviewed in the United States on March 1, 2025 by Cory

The best choice at this time
The problem with Traxxax batteries is they swell up overtime and then won’t fit in the battery slot on the car
Reviewed in the United States on January 1, 2021 by Michael Ratcliff

Great battery!
Great battery! I average 28-32min running my Rustler Vxl 2wd.
Reviewed in the United States on April 13, 2020 by Jeff

Good buy
I like that it's very durable
Reviewed in the United States on May 24, 2021 by Sunrize

Strong battery
Better speed
Reviewed in the United States on December 19, 2020 by Michael Senn

Good so far
Good so far
Reviewed in the United States on January 18, 2019 by Keith
Checking for inventory...