Li-Poly Dualsky 520mAh 25C 2S 7.4V

Index: AKU-00570 EAN: 6941047107427

Dualsky high-performance lithium polymer battery. Discharge current: continuous 25 C (13 A), momentary up to 40 C (20,8 A). Dimensions: 58 x 18 x 19 mm. Weight: 25 g.

Li-Poly Dualsky 520mAh 25C 2S 7.4V
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Manufacturer: Dualsky

Product description: Li-Pol Dualsky 520 mAh 25C 2S 7.4 V

Dualsky high-performance lithium-polymer battery. Discharge current: continuous 25 C (13 A), momentary up to 40 C (20,8 A). Dimensions: 58 x 18 x 19 mm. Weight: 25 g.

Battery specification

  • Two cells (2S) Li-pol
  • Manufacturer: Dualsky, ECO series
  • Nominal voltage: 7,4 V
  • Capacity: 520 mAh
  • Discharge current:
    • Continuous: 25 C (13 A),
    • instantaneous: 40 C (20.8 A)
  • Charging current: max. 2 C (1.04 A)
  • Balancer output
  • Wires: 20AWG
  • Fitted connector - JST plug
  • Dimensions: 58 x 18 x 19 mm
  • Weight: 25 g

In our offer we also have chargers and JST sockets fitted to the pack connectors.

Pakiet Li-Pol Dualsky 520mAh 25C 2S 7,4V
Li-Pol Dualsky 520 mAh 25C 2S 7.4 V pack.


Before using it is necessary to familiarize yourself with


Length 58 mm
Width 18 mm
Height 19 mm
Mass 25 g
Voltage output from 7.4 V
Output voltage to 8.4 V
Nominal output voltage 7.4 V
Capacity mAh 520 mAh
Cell - case package 2S
Cell 2
Cell - Type Li-Pol

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

Payment methods

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Product reviews

Li-Poly Dualsky 520mAh 25C 2S 7.4V


Average grade


Customers opinion
Poniższe opinie zbieramy
i weryfikujemy przy pomocy
zewnętrznego partnera Trustmate
i pochodzą z procesu pozakupowego.
24.12.2022 Confirmed purchase Translated review
no battery no
22.04.2022 Confirmed purchase Translated review
21.12.2021 Confirmed purchase Translated review
The product itself is ok, I have been using it for a long time. ***
12.07.2021 Confirmed purchase Translated review
Powering the RC receiver, I recommend modelers. Very good quality battery
10.02.2021 Confirmed purchase Translated review
as for the needs of asg perfect

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