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Traxxas 8400Mah 11.1V 3-Cell 25C Lipo (Traxxas 2878X | TRA2878X)

Model: Traxxas 2878X
Dist. #: TRA2878X   SKU: TRA2878X

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Out of stock

Price:  $129.95

LIPO: Unable to ship this item to Alaska or Hawaii

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Updated on Sep 22, 2025 11:47:09 AM

LiPo 3S 11.1V 8400 25C...
This is the Traxxas Power Cell 11.1V 8400mAh 25C 3S LiPo Battery.

FEATURES:
Semi rigid construction does not need a hard case and gets rid of
    wire harness adapters that can loosen and fail
Engineered specifically to fit Traxxas models
12AWG multi hair wire is soldered straight to the LiPo cells
    removing increased resistance from bullet adapters and
    unintentional reversed polarity connections

CONSISTS OF:
Traxxas Power Cell 11.1V 8400mAh 25C LiPo 3S Battery with High
    Present Connector and JST/XH Balance Plug

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

SPECIFICATIONS:
Configuration: 3S2P
Continuous Discharge: 25C (210A)
Max Burst Rate: 50C (420A)
Watt Hours: 93.24
Charge Rate: 1C (8.4A)
Max Charge Rate: 2C (16.8A)
Measurements: 6.1 x 1.7 x 1.8" (155 x 44 x 45mm)
Weight: 21.7oz (615g)

COMMENTS:
ALWAYS use a LiPo-approved Battery charger
ALWAYS use a LiPo Cell Balancer
NEVER Charge over 4.20V per cell
NEVER Charge at currents higher than 1C
NEVER Charge through the "To ESC or "RELEASE" lead
NEVER Trickle Charge
NEVER allow to Discharge listed below 2.5V per cell
NEVER take apart or customize pack circuitry in any method or leak cells
NEVER place on flammable materials or leave unattended throughout
    charging
ALWAYS Charge in a fireproof location
ALWAYS set charger's output volts to match battery volts
CONSTANTLY keep out of reach of kids

The below item also sets truly well with the item being discussed.

Adapter Traxxas ID LiPo Battery

This is the Traxxas iD LiPo Battery Adapter.

FEATURES:
Links Traxxas iD LiPo batteries to LiPo battery chargers with separate
    balance ports

CONSISTS OF:
iD LiPo Battery Adapter with 3S Balance Port
Adapter with TWO Balance Port

SPECIFICATIONS:
Length: 5.2" (132mm) suching as adapters

This item praises the above discussed item.



This is the 2.4GHz Radio Controlled, Brushless Electric Powered,
Ready to Run Traxxas X-Maxx.

Ingenious New Features Include;

**Exclusive Self-Righting Action, if automobile rolls upside down**
**just press a button on the transmitter and in most cases**
**the X-Maxx will flip upright onto its wheels.**

**One handed body mount and elimination system**
**gets rid of body posts and pins.**

**Battery Retention System gets rid of body clips or hook and loop straps**

**Shock towers likewise act as carrying manages and level supports**
    **when automobile is positioned upside down for upkeep.**

**Added Technical Info Will Be Included When It Becomes Available.**

FEATURES:
Traxxas Stability Management (TSM): Superior tuning algorithms operate on
    high-speed electronic components to manage wheel spin and steering
    direction on loose dirt, concrete and even ice and snow. TSM can be
    great tuned or switched off by changing the multi-function knob on
    the TQi transmitter or the slider in the Traxxas Link app
Chassis: Composite nylon tub, modular design offers simple access
    to important components, lower front and rear skids and incorporated
    nerf bars for front, rear and side effect security
Drive Four wheel shaft drive, high-strength steel CV driveshafts with
    splined wheel hexes that eliminate axle pins, aluminum splined
    center driveshaft
Brushless Motor: Velineon 1600, 4 pole 1600Kv, 5mm shaft, aluminum
    heat sink
Motor Mount: Cradle design gets rid of flexing, keyed pins lock gear
    mesh in place
Radio: 2.4GHz TQi transmitter with 5-ch micro TSM telemetry ready
    receiver, BEC voltage and motor temperature sensing units installed,
    self righting button, built-in fail safe,
    can be geared up with the TQi Docking Base along with the iPhone,
    iPad or iPod touch* to develop a graphical user interface for the
    automobile Traxxas Link TQi Wireless Module needed (not consisted of)
Guiding Servo: High-torque with aluminum heat sink, double shear
    bearing supported servo horn
Electronic Speed Control: Velineon VXL-6s 6S LiPo suitable
Transmission; Single speed
Differentials: Sealed solidified steel bevel, oil filled, minimal slip
Slipper Clutch: Dual fan cooled
Battery Retention System: Integrated into chassis leading brace for
    higher rigidity, gets rid of body clips or hook and loop straps,
    adjustable for different batteries
Body: ProGraphix painted and trimmed
Body Mount System: Quick one-hand body installation and elimination,
    rotating rear lock system gets rid of body posts and clips
Suspension: Caught high-strength steel pins, double large
    connections, adjustable roll center
Shocks: GTX aluminum bodied, oil-filled, integrated wiper seal keeps
    shafts clean minimizing seal wear
Shock Towers: Composite plastic construction, likewise act as carrying
    manages and level supports when automobile is positioned upside down
Tires: Aggressive all-terrain tread 8 x 4 x 4"
    foam inserts
Wheels: 4.3x5.7 inches (110x145mm), 17mm hexes
Steering: Bellcrank
Bumpers: Front and rear composite plastic with effect cushions
    behind each bumper to soften blows and contribute to toughness
Ball Bearings: Sealed, full contact
Radio Box: Waterproof

CONSISTS OF:
RTR X-Maxx Truck with Brushless Motor, Radio, ESC, Painted Body,
    Quick Start Guide and Upkeep Tools

NEEDS:
Batteries: Two 3S LiPo 5000mAh or higher
Battery Battery charger: Suitable with chosen LiPo batteries
AA Cells: For for transmitter
LiPo Charging Bag

SPECIFICATIONS:
Vehicle;
Length: 29.84" (758mm)
Front Track: 22.26" (540mm)
Rear Track: 20.66" (525mm) range from outer edges of wheels
    determined side-to-side
Ground Clearance: 4" (102mm)
Weight: 19.1pounds (8.66kg)
Ride Height: 13.79" (350mm)
General Drive Ratio: 8.24
Wheelbase: 18.92" (480mm)
Shock Length: 7.4" (187mm)
Battery Tray Dimensions: 7.7 x 2 x 1.7" (197mm x 51.5mm x 44mm)
    Body;
Length:
Width:
Height:

COMMENTS:
Offered in the following colors;
    Blue, TRAD75BB
    Red, TRAD75RR

For Replacement Ball Bearings usage:
    Qty. Size Area Qty. Bearing Set

LIPO: Unable to ship this item to Alaska or Hawaii


Frequently Bought Together

Traxxas 8400Mah 11.1V 3-Cell 25C Lipo
+
Traxxas Adapter Traxxas ID LiPo Battery
+
Traxxas Ez-Peak Plus Plus 100 Watt Nimh/Lipo Dual Charger W/ Id System
This Item: Traxxas 8400Mah 11.1V 3-Cell 25C Lipo
$129.95
Traxxas Adapter Traxxas ID LiPo Battery
$11.99
Traxxas Ez-Peak Plus Plus 100 Watt Nimh/Lipo Dual Charger W/ Id System
$129.95

Total Price: $271.89

Add All Three To Cart
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