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  Item found in the following categories;
> Batteries & Accessories > Cell Checkers/ Low Voltage Indicators
> Chargers & Accessories > Battery Charger (DC only)


Hobbyking® DC-4S Balance Charger & Cell Checker 30w 2s~4s

Hobbyking®  DC-4S Balance Charger & Cell Checker 30w 2s~4s
Hobbyking®  DC-4S Balance Charger & Cell Checker 30w 2s~4s

Hobbyking®  DC-4S Balance Charger & Cell Checker 30w 2s~4s, simple to use Lipoly charge unit that will balance charge 2s~4s lipoly batteries via the balance lead, complete with overall & individual cell voltage display.

Sturdy alloy case
LED Display showing overall and individual cell voltage
1000m/A~1500m/A balance charge output
9v~16v (30w) input
Power lead supplied
Compact size ideal for field box
Dimensions: 80mm x 50mm x 21mm
Weight: 71g (without lead)
Suitable for JST-XH balance plugs

PRODUCT ID: 9331000001

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Weight: 113g
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Price $8.99

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 Customer rated
Total of 215 discussions.
Pedro  1 points - 10/22/2014
Hi all I'm getting an Er01 message in mine charger. Any sugestions?
dart16  6 points - 10/10/2014
I have been using two of these now for about a year and I have to agree they are great little chargers. One of the main plusses for me is that you can leave the battery in the model and charge through the balance lead so I am not disturbing the main power connectors. There is one thing they could do with these days though - a LiFe option. I believe it would just be a slight modification to drop the charge cut off voltage from 4.2 to 3.6 volts. Even if it meant buying a new charger just for LiFe at $8 it isn't exactly going to break the bank!
 ElectricAussie 4235 points
Hi Harry, Good point about the LiFe option. A simple slide switch on the side would do the trick and probably not add more than $.50 to the price. Cheers, EA!
 ElectricAussie 4235 points
Sorry, I meant to write dart16 but had a brain fart!
Harry  29 points - 10/3/2014
Have been using this charger for about 2 years now...excellent unit...only I drawback...the buzzer is so soft that I always miss it when the battery is fully there any way to make it louder? Or is there a similar unit with a louder buzzer that I can buy?
 ElectricAussie 4235 points
Hi Harry, You can make it louder by putting a Mr. Microphone next to it ..... joking! No unfortunately there are no programming options for the charger. It's plug'n'play. Still, it's a slam dunk bargain and both of mine have been flawless. I just set it up on edge so I can see the display flashing when it's finished. Cheers, EA!
 Harry 29 points
Thanks EA...that's what I always do...but instead of just watch the lights go flashing, I always do something else and that is when I always miss hearing the buzzer or miss seeing the flashing LED...until someone tells me that the charging's done...they seem to be able to hear the very high pitched soft buzzer that I always miss!
vergneault  1 points - 9/16/2014
Hi just received 2 new charger, get ERR2. I used a power supply from my old thinkpad 16.5V. something changed, because I have already one of this charger (bought a year ago) worked perfectly. Sad...
 Paul 1 points
Hi. I had the same problem with a 12v/1000ma power supply. This balance charger needs about 12v/3000ma. It works very well with a laptop power supply. I cut the wires of this and taped the crocodile clips of charger lead onto power supply wires - works very well now.
Mervin  2 points - 9/2/2014
Hey can i use a HAMA AC/DC Adaptor 12V 500mA 6VA????THANKS
 Mario 145 points
only if you dont cahrger annithing with more than 500mAh...
 Mervin 2 points
thanks but now if plug in it says er2
 ElectricAussie 4235 points
Hi Mervin, A ER2 message on this charger is a power supply error. The problem with your HAMA AC/DC Adaptor 12V 500mA supply may be that it's a charger pack for something like a cordless phone and the output isn't actually 12V, but fluctuates because it's meant to charge devices with rechargeable batteries inside. You can check this with a voltmeter if you have one. The other problem is your power supply only puts out 6W of power to a device which operates at 30W. The voltage is probably sagging or fluctuating because of the strain of trying to power this charger. Cheers, EA!
 Paul 1 points
Hi. Er2 message means your amps are too low. I had this with 12v/1000ma power supply. Works fine if you use laptop power supply of 12v/3000ma. Cut wires and tape crocodile clips only power supply wires. Works well then.
Customer Reviews
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Overall Rating
Sahni Sarbjit
2 thumbs up!
Not a good charger. My charger is not charging my LiPo's anymore. It doesn't come with any manual or any review and it is giving errors that are totally unknown like "Er0","Er2". For warranty it costs very much than the charger cost.

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Overall Rating
1 thumbs up!
Do not order these pieces of crap. They fail within 1-2 weeks, and return shipping is nearly (or higher than) what you will be refunded.

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Overall Rating
essadik gx
Like it?
it doesn't charge my batery just it works as a cell checker i have pluged it with a car batterie but it doesn' work

1 comment. Reply..

Overall Rating
Like it?
Excellent charger, very fast and accurate. Robust metal housing. The maximum charge is 4.20 V per cell saves the batteries. I recommend! POL88/Sailor NAVIGA /

2 comments. Reply..

Overall Rating
Like it?
Excellent charger! Kind of like the CopterX charger but better. 1) End voltage from charger 3s 750mah: 4.20, 4.19, 4.19 2) Charger beeps when battery at full charge 3) Can use this as cell checker at the field Very handy item. Get warm just like most basic chargers, that's fine. Does not overcharge or undercharge, which most other similar chargers have (CopterX, ESky..)

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