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Turnigy nano-tech 4200mAh 2S 25C Hardcase Lipo Pack

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Turnigy nano-tech 4200mAh 2S 25C Hardcase Lipo Pack


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More than just a fancy name. TURNIGY nano-tech Lipoly batteries were designed from the ground up with serious performance in mind. Utilizing an advanced LiCo nano-technology substrate that allows electrons to pass more freely from anode to cathode with less internal impedance. In short; less voltage sag and higher discharge rates than similar density lithium polymer (non-nano-tech) batteries.

For those who love graphs, it means higher voltage under load, straighter discharge curves, and excellent performance. For drivers, it spells stronger throttle punches and unreal down-the-back straight performance. Excellent news for serious drivers! 

Unfortunately with other big brands; numbers, ratings, and graphs can be fudged. Rest assured, TURNIGY nano-techs are the real deal, delivering unparalleled performance!

Capacity: 4200mAh
Voltage: 2S1P / 2S Cell / 7.4V
Discharge: 25C Constant
Weight: 222g (including wire & case)
Dimensions: 138x47x25mm
Balance Plug: JST
Discharge Plug: 4mm bullet-connector

Advantages over traditional Lipoly batteries;
• Power density reaches 7.5 kw/kg.
• Less Voltage sag during high-rate discharge, giving more power under load.
• Internal impedance can reach as low as 1.2mO compared to that of 3mO of a standard Lipoly.
• Greater thermal control, pack usually doesn’t exceed 60degC
• Swelling during heavy load doesn’t exceed 5%, compared to 15% of a normal Lipoly.
• Higher capacity during heavy discharge. More than 90% at 100% C rate.
• Fast charge capable, up to 15C on some batteries.
• Longer Cycle Life, almost double that of standard lipoly technology.

The nano-core technology in lithium-ion batteries is the application of nanometer conductive additives. The nanometer conductive additives form ultra-strong electron-conducting networks in the electrodes which can increase electronic conductivity.

These additives create the ability for imbibition in the carrier liquid to supply more ion channels. This improves the ability of ion transmission and ion diffusion. Through improving electronic conductivity and ion transmission, the impedance is reduced and the polarization of high-rate discharge decreases greatly. 

  • Capacity (mAh) 4200.00
  • Discharge(c) 25.00
  • Max Charge Rate(C) 5.00
  • Length-A(mm) 138.00
  • Height-B(mm) 47.00
  • Width-C(mm) 25.00

Dimension Diagram Guide

  • attributeset-12


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Rob | Verified Buyer

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Battery upgrade for Kyosho RC Surfer

Jan 13, 2022

Used this battery as an upgraded replacement battery for the NiMh 2200mAh used on the Kyosho RC Surfer 4. This battery is slightly longer than the original, but fits no problem whatsoever.
Great upgrade. Nice battery!

Walter | Verified Buyer

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Awesome value for the money

Oct 15, 2021

Nice and sturdy. Super satisfied.

Scott | Verified Buyer

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Not a Sub-C replacement

Jul 01, 2021

Why make a product that looks like a nickel stick pack, but doesn't fit where a Sub-C pack would? The cross section means it won't fit in a vehicle that has a hole for a stick pack to slide through (such as Tamiya Dual Hunter). Lesson learnt, hope others don't make the same mistake.

Rob | Verified Buyer

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Great product.

Jun 22, 2021

These are great batteries, use them in the little Tamiya M chassis and couple of bashers, fabulous value for the power and punch.

boss | Verified Buyer

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lowell ennis

Jan 26, 2021

love it great for my rc racers

stephane | Verified Buyer

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Jan 23, 2021

Bon article

Farty Bang Bang | Verified Buyer

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They go vroom

Dec 17, 2020

They are fantastic. Only gripe are the connectors. I use Deans, I had to change the connectors over. Other than that they have changed my life for the better. My life was in the dumps until I bought these. Thank you Hobbyking, you saved my life!!!!!!!!

Konrad | Verified Buyer

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Super Akkus

May 14, 2020

Akkuis absolut ok, sollen als Empfängerakkus genutzt werden

Soma | Verified Buyer

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Tamiya battery!

May 13, 2020

This one fits every Tamiya I have and performs as expected

wesleyroy | Verified Buyer

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Do not fit Tamiya Comical, Wild WIlly!

Apr 28, 2020

I bought these lipos, for a new Tamiya Comical, because of its round shape. However i came to the conclusion they didnt fit.

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