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Graupner - Polaron AC/DC 240W 7S 3" Color and Touch TFT (Silver)

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Quick Overview

Graupner - Polaron AC/DC 240W 7S 3" Color and Touch TFT (Silver)

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Graupner - Polaron AC/DC 240W 7S 3" Color and Touch TFT (Silver)

Graupner - Polaron AC/DC 240W 7S 3" Color and Touch TFT (Silver)



  • Sleek silver color
  • Optimal space saving design
  • Friendly 3.0” color and TFT LCD Touchscreen
  • 120W DC per channel and 60W AC per channel
  • Charges LiPo, LiLo, LiFe (up to 7 cells), NiCd, NiMh (up to 14 cells), Pb 1-12 cells
  • Supports high voltage LiPo battery charging
  • Support for parallel charging of multiple batteries on a single channel
  • 20 memory battery profile channels for each charge port (total 40 memories)
  • USB data port for firmware updates and PC charger monitoring
  • External USB charge port for tablets or smartphones



  • Polaron AC/DC Charger
  • AC Power Cord
  • 2 x EH to XH 7S balancing boards and cables
  • 2 x Temperature sensors
  • 2 x Charge cable
  • 2 x Alligator clip
  • Charger stand
  • USB cable
  • DC input cable
  • Manual



Charge multiple batteries simultaneously with the Graupner Polaron AC/DC dual-charger in a compact case that is easy to store and transport. The beautiful TFT LCD touchscreen gives the Polaron AC/DC a user-friendly interface. Automatic setup provides optimal charge profiles, ensuring efficient and safe charging – simply enter the battery type, cell numbers and capacity information and the Polaron AC/DC will do the rest!  Eliminate the need to re-enter battery information by using up to 20 different memory profiles – just select the appropriate battery profile and press CHARGE.

Safe handling and monitoring is easy when the Polaron AC/DC is attached to the supplied balancing boards and when used with the enclosed temperature sensors that carefully monitor high charge rate batteries. Prolong the life-cycle of your batteries by placing them in Store Mode when not in use. 

Personalize your look with the silver casing.  Stay informed on a desktop or laptop computer via the USB connection by monitoring the charging process or upgrading the firmware with our free Graupner Update Studio.  The Polaron AC/DC excels at bringing new life to your batteries and hobby experience!


Power source

AC100 to 240V, DC11 to 15V External Power Supply


TFT 3.0” LCD Color and Touch screen

Battery Type & Cells

NiCd, NiMH / 1 to 14 cells / each channel

LiPo, LiFe, LiIo / 1 to 7 cells / each channel

Pb / 1 to 12 cells (2V/cell) / each channel


2 Channels: DC Input: 120W x 2CH = 240W 
                       AC input: 60W x 2CH-POWER RATE)

Charge Current

0.1 to 8.0A (100mA steps) /Max. 120W

Discharge Current

0.1 to 5.0A (100mA steps) / Max.30W


Discharge / Charge to Discharge / Discharge to Charge

Balancing current

Max. 300mA


USB 5V output (5.0V 1.0A) / USB B-Type

Firmware upgrade

External Mini USB device

PC communication

Data Logging


Default English

Cooling system

x 2ea Dynamic Cooling Fan

1.97 x 1.97 x 0.39 in

50 x 50 x 10 mm


Each 20 memories (20ea x 2CH = 40 memories)


3.47 x 8.00 x 7.73 in

88.2 x 203.4 x 196.3 mm


54.18 oz (3.38 lbs)

1536 g

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