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Hi-Power Polymer Li-Ion Pack: 7.4V 4000mAh 10C Discharge Rate (29.6Wh, w/o PCB)

Your Price: $52.95
In Stock

Product ID # 3153
Part Number:

Quantity Discounts

5 to 20$51.36
21 to 50$50.30
51 to 100$49.24
101 or more$47.65


*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)
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 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


  • No PCB protection in ths Polymer Li-Ion Battery pack.  Please control discharging current and cut-off voltage
    • Never discharge battery beyond 50A
    • Never discharge battery below 4.0V
    • Recharge battery pack immediate after use
  • 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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(1 Rating, 1 Review) Average Rating:
Akadius's test result
Anonymous (Unknown) 3/28/2007 3:18 PM
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We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

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