Car & Truck Accessories > Battery Packs & Accessories - R/C Car > Batteries - Lithium Polymer - R/C Cars [View Top Sellers for this Category] Bookmark this Page

Traxxas - TRAC2866 TRA2866 2866 020334286604 0020334286604
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Accessories Needed

Possible Substitutions

Regularly Purchased Together

Parts Compatibility

Browse Traxxas

Traxxas LiPo 2S 7.4V 3800mAh 25C
Traxxas LiPo 2S 7.4V 3800mAh 25C
View Larger Picture

Shipping Note: International shipping restriction
Shipping Restricted Item: Click for details
Product Warning: Important Warning! Please Read!

Stock Number
Retail Price
Tower's Low Price
Stock Status
In Stock
Buy Now
Add to wish list
—— Share ——

Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
Traxxas LiPo 2S 7.4V 3800mAh 25C Add to Wish List
82.88  Buy Now 3.10  

Regularly Purchased Together
— Customers who purchased the above product also bought the following —
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
1.  LXEVSD Traxxas EZ-Peak Plus 4A NiMH/LiPo AC Fast Charger w/iD   49.95  Buy Now
2.  LXDCWM Duratrax 19-in-1 Tool Set w/Pouch For Traxxas   15.99  Buy Now
3.  LXAZZS Duratrax Onyx 245 AC/DC Dual Balancing Charger   119.98  Buy Now
4.  LXFLRN RPM Wide Front Bumper Rustler/Stampede 2WD Red 5.49  Buy Now
5.  LXSGV1 Traxxas Cooling Fan Velineon VXL-3 ESC 18.99  Buy Now
6.  LXSGZ4 Traxxas Clear Body Rustler VXL 18.99  Buy Now
7.  LXHFS7 Traxxas Ball Bearings 5x11x4mm Revo (2) 2.99  Buy Now
8.  LXEWPD** Traxxas 1/10 Rally TQi 4WD RTR   414.99  Buy Now
Product Image
  Be sure to also check accessories needed...

Tech Notes
This is the Traxxas Power Cell 7.4V 3800mAh 25C 2S LiPo Battery.


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
12AWG multi strand wire is soldered directly to the LiPo cells
eliminating increased resistance from bullet connectors and
accidental reversed polarity connections


Traxxas Power Cell 7.4V 3800mAh 25C LiPo 2S Battery with High
Current Connector and JST/XH Balance Plug


Balancer and LiPo compatible charger or LiPo charger with built-in
balancer such as the Onyx 235, DTXP4235
LiPo charging bag


Configuration: 2S2P
Continuous Discharge: 25C (95A)
Max Burst Rate: 50C (190A)
Watt Hours: 28.12
Charge Rate: 1C (3.8A)
Max Charge Rate: 2C (7.6A)
Dimensions: 5.3 x 0.98 x 1.8" (155 x 23 x 45mm)
Weight: 7.2oz (205g)


ALWAYS use a LiPo-approved Charger
ALWAYS use a LiPo Cell Balancer
NEVER Charge over 4.20V per cell
NEVER Charge at currents greater than 1C
NEVER Charge through the "To ESC or "DISCHARGE" lead
NEVER Trickle Charge
NEVER allow to Discharge below 2.5V per cell
NEVER disassemble or modify pack wiring in any way or puncture cells
NEVER place on combustible materials or leave unattended during
ALWAYS Charge in a fireproof location
ALWAYS set charger's output volts to match battery volts
ALWAYS keep out of reach of children

jxs 09/15/11

– If you need more information, use these Traxxas resources –
Web Site:
Phone: 888-872-9927
  Postal Address:

Click here for Units of Measure Conversion Calculators

Parts Compatibility
Parts Compatibility for Traxxas LiPo 2S 7.4V 3800mAh 25C
This item is an optional part for the following:
 LXEWNV** Traxxas 1/10 E-Revo EVX-2 RTR w/2 7-Cells  (Parts List)
 LXFFUW** Traxxas 1/10 E-Revo EVX-2 iD 4WD RTR  (Parts List)
 LXEWPD** Traxxas 1/10 Rally TQi 4WD RTR  (Parts List)
 LXESBR** Traxxas 1/10 Rally Brushless 4WD TQi 2.4GHz RTR  (Parts List)
 LXEBST** Traxxas 1/7 XO-1 AWD TQi 2.4GHz RTR  (Parts List)
 LXCWHE** Traxxas 1/10 Rally Brushless 4WD TQi 2.4GHz RTR  (Parts List)
 LXELZW** Traxxas 1/7 XO-1 4WD Supercar RTR TQi w/Traxxas Link  (Parts List)

Accessories Needed

Accessories for the Traxxas LiPo 2S 7.4V 3800mAh 25C

Primary Accessories     Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXAGUG Duratrax Onyx 235 AC/DC Advanced Balancing Charger
Accessories Needed Qty Discount Available
89.98   In Stock
 LXZKA2 Great Planes ElectriFly SafeCharge LiPo Charge Bag
Qty Discount Available
21.99   In Stock
Subtotal for this Group of Accessories: 111.97  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories     Optional Accessories

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.