7.4V 4000mAh 2S 15C Reaction 2.0 LiPo Receiver Battery: Universal Receiver, EC3

Item No. DYNB40213
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Key Features

  • Fits most 1/8 and 1/10-scale vehicles
  • 3C charge rating for quick, safe recharging
  • Hard plastic case for increased durability and reliability
  • One year limited warranty beginning at date of purchase

Reaction 2.0

Dynamite's new Reaction 2.0 batteries come with all the power and performance you've come to expect from the original Reaction line, but now include a QR code directly on the battery label. You can scan the QR with the Dynamite Dashboard Smart Phone App for even quicker and easier setup. In addition, all Reaction 2.0 hardcase batteries now come in a sleek black color to better match whatever setup you use them in.

Video Overview


Product Height
1.08 in (27.5mm)
Battery Type
LiPo (3.7V per cell)
Connector Type
Discharge Lead Length
3.94 in (100mm)
Battery Voltage
Wire Gauge
18 AWG
Battery Balance Connector
Product Length
4.21 in (107mm)
Product Width
1.34 in (34mm)
Watt Hours
29.6 Wh
Cell Configuration