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> Chargers & Accessories > Battery Chargers

  RATED:

iMAX B4 Compact 35W 4A Automatic Balance Charger 2~4S Lipoly

iMAX B4 Compact 35W 4A Automatic Balance Charger 2~4S Lipoly
iMAX B4 Compact 35W 4A Automatic Balance Charger 2~4S Lipoly

The iMAX B4 Compact Balance Charger makes charging of your Lipoly batteries easier than ever before. With no current limits or cell counts to set, you simply connect your battery to the B4 and it starts charging automatically. The charge current is variable, determined by the capacity and charge state of your battery. The max charging current is 4A (up to 35W).

The B4 comes with everything you need including charge lead and alligator clips for connecting to a DC power source.

Features:
• Simple to use
• Compact size
• Automatic charging of 2~4S batteries
• Up to 4A (max 35W) charge rates

Specs:
Operating Voltage: 11~18V DC
Charge Power: 35W max
Charge Current: 4A max; Charging process will monitor battery capacity continually and adjust charge current as necessary.
Balancing Current: 200mA/cell
Lipoly Cell Count: 2~4 cell (7.4V~14.8V)
Dimensions: 100x63x34mm


PRODUCT ID: 190000005-0


Weight: 236g Quantity: 
stock
OK
Price$11.25


acc.
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    Combo Price: $9.91   IN STOCK

  • iMAX B6 Compact 50W 5A Automatic Balance Charger 2~6S Lipoly

    Combo Price: $13.46   IN STOCK



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 Customer rated
54
crowns
  
 
Total of 19 discussions.
Desieve  104 points - 3/20/2014
 
Hi, can anyone give some feedback on performance?. What rate does it charge at, 0.5C, or 1C, 2C?, for 2200maH is it charging it at 1C (does it take ~ 1hour). Does it balance well?
pyrosrock  96 points - 3/14/2014
 
anyone tell me if this can handle charging a li-ion battery?
Miguel  1 points - 3/11/2014
 
what do you do when you want to charge on a wall socket at home? does this need a separate cable for plugging the main leads?
 Desieve 104 points
Hi, Yes you need a separate cable. Often laptop power cables can work nicely, if its 11-18V DC and rated 4A or more. Similar to this product that HK sells, PRODUCT ID: HK15-5
BEST ANSWER CREDIT AWARDED
nukii  63 points - 2/21/2014
 
i got this one with the hope that it will charge faster than the other model... Not at all..it hangs about 3-4 hours to charge a 2200 mah 3s lipo (new lipo) Charging current is far under 4 Amps..i do not know how it controls the process automaticly, but each time charges 3-4 hours (1500 mah - 2200 mah 3s lipos, tried it on few batteries)
 nukii 63 points
also i use PC Power supply 12 v 10 amps
 Desieve 104 points
Hi Nukii. I just received one, and I think I am having the same problem. I tried charging a 1000maH battery, measured the approximate charge current of 0.8amps, it seemed to charge it after about 50 minutes, but then spent 1 hour trying to balance, I stopped it after waiting this long. I then tried a 2200maH battery and measured 1.1amps charge current, I gave it 15mins but it just stayed at 1.1amp. Could be a complete waste of money. Did you get a replacement?
 nukii 63 points
yes i did, but my charger was absolutely hopeless..
 Desieve 104 points
Hi nukii, so you got a replacement, did your replacement work?
 nukii 63 points
Better buy PRODUCT ID: 9331000001. I am much happier with it.. Yes it charges a bit slower but so far works reliable. I did not receive replacement for B4 Pro so i can not say much about it..
quincy  1 points - 2/16/2014
 
could i charge my flyzone 11.1v 15c and 14wh lipo on this charger if not what one could i buy for under $20 that would work and have a good charge time
Customer Reviews
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Overall Rating
Vulcano
2 likes
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Parfait pour mon fils de 8ans il branche et tout se fait tout seul ! Nickel ...


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Overall Rating
Chris
7 likes
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Great little charger that is idiot proof and prevents human error. Just plug in balance lead connect the main lead and the charger does the rest.


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31 likes
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Excelente cargador de paso fijo!


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Overall Rating4/17/2014
alibaba_1780
22 likes
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Good product,, accurate voltage and safe.. thank you hobbyking


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