Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger w/One Power Cell Battery (4000mAh)

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NOTE: Traxxas VXL Brushless models are 3S/2S LiPo compatible; XL-5 Brushed models are only 2S LiPo compatible! Keep this in mind when choosing a battery for your Traxxas model.

This is the Traxxas EZ-Peak Multi-Chemistry Battery Charger System with an included "Power Cell" 4000mAh LiPo battery. This charging system uses the Traxxas iD Battery Identification System and is a great solution when you need a battery and charger for your Traxxas vehicle that runs one 3S LiPo battery.

iD Simplicity
With iD Auto-Battery Identification there’s no need to worry about the battery chemistry or capacity. The Traxxas iD battery system is the easiest and safest way to charge your Traxxas batteries. The EZ-Peak Plus recognizes Traxxas iD batteries and in an instant automatically configures and optimizes the charger settings. There's no need to be a battery expert or learn how to navigate complex menus. Just plug in a Traxxas iD battery and the EZ-Peak Plus does all the work for you. The integrated balance connector on Traxxas LiPo iD batteries eliminates fragile balance wires and connectors, along with the need for external balance boards. At the press of a button, the EZ-Peak Plus' Storage Mode protects your LiPo battery investment by safely preparing the batteries for extended storage. 4-amp fast charging and advanced high-resolution peak detection deliver a perfect charge every time. The EZ-Peak Plus is backed by the Traxxas Lifetime Electronics Manufacturer Warranty for years of reliable service.


TRA2970 Charger Specifications:
AC Input:
100–240 Volts
Charge Current Range: 1.0-4.0A (40W Max.)
Discharge Current Range: 500mAh
Current Drain For Balance Ports: 500mAh
NiMH Battery Cell Count: 5–8 Cells
LiPo Cell Count: 2–3 Cells
Net Weight: 365g
Dimensions: 146 x 123 x 53mm

TRA2849X Battery Specifications:
Total Capacity: 4000
Voltage: 11.1
Continuous Discharge: 25C (100A)
Max Burst Rate: 50C (200A)
Watt Hours: 44.40
Charge Rate: 2C (8A)
Max Charge Rate:
2C (11.6A)
Dimensions: 135x26x43mm
Weight: 11.1oz (316g)


  • (1) TRA2970 Battery Charger
  • (1) TRA2849X: 4000mAh 3S 25C LiPo Battery w/iD

This product was added to our catalog on November 14, 2018

Verified Owner
Monday, Sep 20 2021 (4 months ago)
Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger
This is great for the beginners and it is cheaper - good deal. No need to have an expensive charger. Traxxas 4000 mah 25C battery is really good enough for 1/10 scale brushless rigs. Best to get Flex Seal spray from Home Depot to spraying the battery to be waterproof. No more puff or smell like bubble gum. Problem solved.
Verified Owner
Monday, Mar 9 2020 (about a year ago)
Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger
Overall good combo to get. High quality Traxxas battery and charger. Nuff said!
Verified Owner
Saturday, Jan 11 2020 (about 2 years ago)
Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger
This battery and charger are outstanding! I was pleased with the battery life out of the box. I am using it with my trx4 and it has gone for over a 2 hour run without the esc ever hitting low voltage mode or having heat issues. The charger is nice with all of its features as well, but I do wish it had the option for charging non-Traxxas batteries without having to use an adapter.
Verified Owner
Saturday, Jul 24 2021 (6 months ago)
Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger
Very pleased with both products from Traxxas. Works as advertised and consistently delivered top performance.
Verified Owner
Wednesday, Jan 20 2021 (12 months ago)
Traxxas EZ-Peak 3S Single "Completer Pack" Multi-Chemistry Battery Charger
Very satisfied with my charger and 3s lipo that came in along with my rustler vxl, the car rips and no regrets. Be ready to buy a set of spare axels tho lol. Its a kick ass rc :)