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Zippy-K Flightmax 3700mah 4S1P 20C Lipoly Battery

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Zippy-K Flightmax 3700mah 4S1P 20C Lipoly Battery

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The Zippy K range of Lithium Polymer batteries from Flightmax are designed to fit the unique requirements of many electric flight modelers. Featuring compact size and unique cell configurations the Zippy K packs are suited to many applications. Manufactured in Korea using quality cells the Zippy K range offer great value for money without compromising on quality.


Capacity: 3700mAh
Voltage: 4S1P / 4 Cell / 14.8V
Discharge: 20C Constant
Weight: 366g (including wire, plug & case)
Dimensions: 137 x 44 x 32mm
Balance Plug: JST-XH
Discharge Plug: HXT4mm

  • Capacity (mAh) 3700.00
  • Discharge(c) 20.00
  • Max Charge Rate(C) 5.00
  • Length-A(mm) 137.00
  • Height-B(mm) 44.00
  • Width-C(mm) 32.00

Dimension Diagram Guide

  • attributeset-12


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Stiaan | Verified Buyer

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Customer Rated

Sep 02, 2013

Bought two of these 4S 3700 mAh 20C units. 33g difference in weight and one pack is 20mm shorter then the other!?! After a discharge to 20pcnt on the larger heavier pack the charger only put 1500 mAh back in. This pack is not a 3700 mAh pack! The other smaller pack with the same label can not even sustain 10C with Vcell >=3.3 Vdc for more then 3 seconds. Totally useless for my aplication. These are very poor quality battries. Never again. You get what you pay for.

danny lam | Verified Buyer

  • Quality
  • Value
  • Overall

Customer Rated

Aug 23, 2013

First three cycles was good but after that can not hold the charge. Fly time drop by 20 percent. Never over drain and the battery just warm only. Bought 2 units.

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