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Graupner POLARON EX (Sliver) DC charger 3.0 TFT LCD

SKU: S2011
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Regular Price: $319.00

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  This is Graupner/SJ POLARON EX charger and it is designed to dock with optional POLARON POWER SUPPLY
  (S2012) or a suitable 11-28V DC power source. Graupner/SJ is known worldwide as a leader in advanced battery
  charger technology, and they published a new generation of high tech charger that has the space-saving design to
  save space. Featuring Max.400W output on 24V operation, Max.220W output on 12V operation per side,
  POLARON EX is 2 channels charger. Equipped with a touch sensitive 3.0" full color TFT LCD screen and
  specialized touch keypad, it’s a brand new experience in the field of battery charging. There are 5 options of
  Black, Silver, Red, Orange, Blue color.
Key Features 
  • The world's first standing type design
  • User friendly 3.0" full color TFT LCD
  • Charging 400W from 24V input, 220W from 12V input and user adjustable output on each channel
  • Discharge current(60W/2ch)
  • Charging Capability of Lixx 1-7 cells, Nixx 1-14 cells, Pb 1-12 cells
  • Individual 20 memories(2ch, total 40 memories) in each channel to manage the different parameter set
  • The outstanding and maximized space saving design
  • Built in additional useful functionality such as tire warmer, servo tester, ESC setup and motor tester updatable
    with the latest firmware

  • Internal USB Connector (5.0V, 2.5A) for the external device’s power


  POLARON EX charger
  EH to XH 7S Adapter Board and 7S Cable
  USB Cable
  DC input cable
  Temp Sensor x 2
  Charge Cable x 2
  Alligator Clip x 2
  Charger Stand



Power source

11-28V External DC Power Supply (Docking system)


TFT 3.0” LCD W/ Touch screen

Battery Type & Cells

NiCd, NiMH / 1~14 cells / each channel

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

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


2 Channels (400W x 2CH = 800W)

Charge Current

0.1 ~ 20.0A (100mA steps) / Max.400W-24V, Max.220W-12V

Discharge Current

0.1 ~ 10.0A (100mA steps) / Max.60W


Discharge, Charge to Discharge / Discharge to Charge
    / Charge to Discharge

Balancing current

Max. 350mA


USB 5V output (5.0V 2.5A ) / USB B-Type

Sub Function

Servo Test, Motor Test, Warmer, ESC setting

Firmware upgrade

External Mini USB device

PC communication

Data Logging


Optional ( Basically English)

Cooling system

50x50x10mm(1.97 x 1.97 x 0.39 in) x 2ea Dynamic Cooling Fan

Ext. Module socket

Futaba 3P socket

Motor Test socket


Servo Test socket

Futaba 3P socket


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

SMPS Docking



88.2x203.4x196.3mm / 3.47x8.00x7.73 inch


1368g / 48.25 oz


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Warranty, Returns & Support

Warranty Information

We truly thank you for your purchase, and when things go wrong, we are here to help in any way that we are capable of doing so.

In regards to any warranty related matter, please reference the below information to help understand our warranty policies, as these warranty policies are absolute when it comes to any purchase made via HeliDirect.

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Regarding product(s) purchased via HeliDirect, each manufacturer has their own specified warranty time frame, and HeliDirect holds the sole right to direct the customer to the manufacturer for stated warranty support in regards to manufacturer's that require direct level warranty support.

Our stated (14) day return policy directly relates to brand new, unused products being returned for a refund or store credit, and does not relate to warranty related situations for faulty product(s). Faulty, damaged or problematic items are handled upon a case by case basis, and will be detailed below based upon the warranty options available.

Our team at HeliDirect is highly motivated to assist in every possible way regarding warranty support, but please be 100% aware that warranty support for the product(s) you have purchased may be handled directly via the manufacturer, and not through HeliDirect.

If your product(s) involve direct manufacturer support, we are still available to assist. We ask that the customer make the initial manufacturer contact for warranty support, but in the case where a manufacturer response is not receive within (5) business days, HeliDirect will step in upon your behalf, utilizing our channels to assist you with this manufacturer based support.

In the above case, HeliDirect will do everything in our power to make sure the manufacturer assists you directly, but please note that all such warranty in regards to an issue like this will still be directed through the manufacturer.

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HeliDirect will not assume responsibility and / or liability for any manufacturer defect, or damage due the use / misuse of the product(s) purchased. Further, HeliDirect cannot / will not be held liable for ancillary damage to product(s) based upon a manufacturer fault or defect. All such issues will be dealt with at the manufacturer based level.

If your item is found to have a fault or defect after installation or use, your product may be subject to warranty repair via the original manufacturer, no matter what the purchase date may be. HeliDirect does not cover repair, replacement or warranty via used / installed products. All such issues will need to be dealt with at the manufacturer level.

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Warranty Returns

If your product is approved by our customer service staff as a valid return that we will handle directly, please note the below information regarding all such approved warranty items sent to HeliDirect.

- Any item(s) approved for return to HeliDirect will be subject to inspection and or testing to verify the noted information provided by the customer regarding the flaws, faults or damage.

- Due to the various aspects of testing, repair and other return processes, please be aware that any such approved return will require (2) to (5) business days for proper processing. Our staff will certainly do all that we can to reduce this time to the bare minimum, but please be aware that the return process can take up to (5) business days to complete.

- If the product(s) approved for return are deemed faulty by our returns specialists, we will proceed with a repair, exchange, credit or refund based upon the situation at hand. All such information will be communicated to the customer before any re-shipment is made.

- If an item that encounters a warranty issue after usage, HeliDirect may opt to repair the product versus an exchange, as exchanges can only be made for valid warranty relating to products that have no use of flaws. Our staff will be sure item is in 100% working order based upon any repairs, but exchanges, credits or refund cannot be offered for items under warranty that have been used and are no longer able to be sold as new.

- In the case of product(s) returned to us that test to be non faulty, the product(s) will be returned to the customer in the condition received. Our staff will reach out to the customer with necessary information regarding what may have been missed, and what steps to take in order to utilize the product(s) effectively.

- For non faulty diagnoses of returned product(s), refunds, store credits or exchanges cannot be offered, as the product(s) received cannot be sold as new and unused.