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Hi-Power Polymer Li-Ion Battery Combo: 2 pcs of 7.4v 4000mAh (29.6Wh, 10-12C, w/o PCB) / Intelligent Charger (4.8)

Your Price: $124.95
In Stock

Product ID # 3376
Part Number:

Quantity Discounts

5 to 20$121.20
21 to 50$118.70
51 to 100$116.20
101 or more$112.45


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage       7.4 v (working)   8.4 V ( peak)    5.5 V ( cut-off)
Capacity       4 Ah   ( 29.6 wh)
Max. Discharging Rate       40  Amp.  (Continuous 10 C rate), 60 Amp Max ( 15C Max for short time)
Battery Dimensions(LxWxH)       142mm (5.5") x 46mm (1.8") x 12.35mm (0.5")
Battery Weight       192g (6.8 oz)  


  • The polymer battery is excellent for ebike, RC robot and other high drain DC device up to 40A
  • Superior Battery Power and Battery Strength makes your RC car or Aircraft a true champion
  • Can fit in most RC car stock tray ( 6x Sc size) and Replace 7.2V NiMH battery pack with 50% less weight
  • Can fit Losi XXX T- Novak Cyclone, Trinity Cobalt Pro stock, Spektrum DX3 radio w/ Z590 Hi-Torque Race Servo and SR3000 Receiver
  • Comparision with NiMH 7.2V 4.2Ah Pack
       Size (in)  Weight  Capacity Max Drain   Volt Flat  Cost  RC racing
     7.4V 4Ah Polymer  5.4x2x0.6" 190 g  3 wh  48A  7.2V  Higher  Faster
     7.2V 4Ah NiMH  5.4"x1.9"x1" 375 g   3 wh  40A  6.6V  lower  slower


  • This Li-polymer battery pack has no PCB or PCM installed, must be charged by Intelligent Balance charger.  
  • Never discharge the battery pack below 5.0V(2.5V/cell).  
  • Always charging the battery immediately after use. We are not responsible for any damage caused by miss-use.
  • Please read more safety warning about Li-ion battery 

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