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The HobbyKing E4 Charger is a simple and compact Lipoly blanace charger for 1~4s batteries. Featuring built in JST-XH balance plug ports and 4 LEDs to indicate charge status the HobbyKing E4 makes an ideal pocket sized charger to keep in your field box .
I'm charging a 3300 mah 3S1P battery and it doesn't finish charging even after a couple of hours at ~3amps. I just see three orange lights the whole time. My wall charger power input is 12V 1A... is the 1A the problem? Thanks.
I just bought this to charge some Turnigy 2200mAh 3S 20C Lipo Packs I also bought the xt60 connector. My question is: I have a 3 amp radio shack 12 volt power supply. Can I charge those batteries on this charger connected to that power supply?
Yes, of course, as long as you charge your batt at less current than that. Since batts are 2200 mAh, it should be ok to charge them up to 2.2A, that is, 1C of charge and is less than 3A, it will be perfect.
Hey guys, so I bought this charger, and it's my first one and I'm pretty confused. First of all I have a Turnigy 2200mah 35-70 discharge 3 cell 11.1v battery. I am pretty sure this charger will work, but can I charge this battery at the charger's highest rate?
Second problem, how do I use this thing? I think I've gathered that the alligator clips go to a battery (car battery) and the other two plug into the LiPo. If this is the case, I need some sort of adapter for it to plug into my battery?
Also I have an older HobbyZone 3 cell balancing charger. It says charge rate of 1.3A and an output of 13.3v 500mA. Does that mean anything to anyone and will it work for my LiPo with no problems?
Thanks guys.
Your 2200 mAh batt can be charger at 8C, so, up to 17A. Too much in my opinion, but anyway, this charger can go up to 4.5A. You can safely charge it at that rate. And yes, you need a XT60 connector to plg the banana plugs into your batt, charger works with both plugs connected (the big cables with the XT60 and the small white, the balance plug). Your other charger will work ok on your battery too, but it will take a little longer to charge, 2 hours aprox.
the power supply with this settings will be proper for this charger?:
output voltage: 12v (dc)
output current: Max. 1000MA
i'll be charging 3s batteries 1800 and 2200.
many thanks
It's a little bit tight, if you want to charge your batt at 1C you need a 2.5A power supply. With your charger you may be able to charge at 0.8A. It will work but it will be slow.
Not at all. Lipos usually support charge currents up its own capacity, for instance: 2200 mAh batt can be charged up to 2200 mA, this is, 2.2A. But if you charge it at less current nothing will happen, you'll just be taking longer times to charge batteries. Thanks for the credit, again!
I bring this to the office to charge lipos and it works great. Is there a way to get rid of beeping sound when it fully charges battery so my co workers don't get annoyed. It was chirping for an hour one time because i was in a meeting :)
Hi!
I bought this charger and as I'm a complete beginner I thaught it camed with the needed acessories. One of the Charge Cable has no Male XT60, only, at the end, "naked" wires.
Why not advice to by the needed connector?
This product will fit: Nylon XT60 Connectors Male/Female (5 pairs) GENUINE?
I hope I made my self clear as english is not my first language.
many thx
It's best not to charge at no more than 1C, (2.2A), even if it's rated at higher charge rate. LiPo's are finicky. I charge mine at 0.5C or 500mA. Otherwise, you'll end up with a bloated battery in no time and soon it'll hold less and less charge. The best thing for LiPo's is to charge slow. Slower the better. It's best not to trust the manufacturer's charge ratings. It's mostly a marketing hype.
Well that's helped Bruno a lot! 3 answers all different! Bruno if you want to charge it quickly and safely go the 4.4amps, if you don't care how long it takes you can go less, I charge my own at 2.2amps normaly, the quality of the battery will determine the life of the battery more than anything else.
3 different answers? Not at all**it's just more information to work with. About the quality of the batteries, there are only few manufactures of the actual cells. Most are re-labeled OEM's. Besides, what quality does Bruno, or anyone else have? Does anyone really know the quality of their batteries? Safety should be the biggest issue when charging, and 4.4A wouldn't be the safest**it's at the border of being unsafe. I would keep in mind the "marketing hype" concept to be on the safer side, regardless of how true it is.
After finding a suitable 12v adapter the unit performed perfectly, the LED status indicators per Cell are a great help. When you have it set up correctly (In this case charging a 3 cell 2200 mah Li po) the (3 in this case )LED's light up a constant orange to indicate charging. Once the charge is complete the LED's turn green and a beep alarm lets you know all is done.
I am very impressed with the unit,it also come comes with 12v battery connectors to charge via a 12v supply battery in the field, a great and affordable product, thumbs up Hobby King.
Can anyone reccommend a charger that uses its on 110v power to charge? i need something simple. i have been unsuccessful at charging this unit with the E4 that i bought
Ok, I want to simplify this as much as possible. Is there a charger that i can just connect and it works? this is Very frustrating. Ive made connections, had battery replaced, bought 2nd charger, and still nothing seems to charge correctly. I just want a charger that has the power supply incuded, plug it in to a wall, and connect battery. Simple, Effective =(
For a battery of 6A you won't find a simple charger. Turnigy balancer & Charger 2S-3S is really simple but it will take 7 hours to charge. I've seen the video but I can't see the leds and connections well. ¿*Can you make one closer to the battery adn showing connections, leds, and what happens when you press the silver button?
Yes, 3 led should be on. Check the balance plug, the white one, see if it's a bit loose. It's either the cable, the charger or the battery. Do you have another battery to test the charger?
No, 1000 mAh is 1A of current, and 500 mA is 0.5A, those power supply won't do it. You need al least 6A. You computer power supply is ok for the charger.
Hi,
A 1C charge rate of my 6000mah Zippy 2S 50C lipo would be 6A? So I can charge at the 4.5A max of this charger without worrying about overcharging my battery?
Thanks,
Bryan, did you connect the discharge plug of your battery to the banana plugs on the charger? in the video seems it's not connected. You need to connect both battery connectors (balance plug and discharge plug).
Not certain i follow. I have the plug from the battery in, and the plug on the end connected to the power. There is a red/black post on side that takes banana clips, no clue what its for...I guess i need a photo
Ok, you have the plug on the end to power up the charger, that's ok. And the white plug form the battery, that's the balance plug, connected to the side of the charger. You need to connect, also, the red/black post on side with the banana clips to the bigger cables in the battery, the ones you use to connect the battery to your plane/car/heli. Charging process uses that red/black cables, and balance plug is used just to equalize and sense voltage. I don't have the charger with me now to take a picture, but if I can't make myself clear yet, tomorrow I'll post a photo.
OH MY LORD! Its all clear now! I thought it was charging thru the small white plug. The 12gau red/black wires get connected to the 2 banana plug terminals on the side to charge!!! And here i thought i had a Bad battery all along!
Thank you Gerry, you saved my sanity!
Ok have the E4 charger with a 4cell LiPo. When i connect the banana clips to the power source <12v 2a> all 3 lights flash red, then green, If i press the silver button, all 4 lights will flash and the unit beeps, this happens in unison...Is something not correct?
Just what I was looking for! I wanted to know if I can charge a 2s at the 4.5A. (Zippy 50C 2S 6000MAH with a charge rate of 1C) So I can charge at 4.5A right? Thanks :)
what is the min & max amp.output for the power supply? sorry i'm new to this site how do you respond to an answer without your question going to the top of the list? Thanks!
The minimum current for the power supply is the current that you would charge your battery. If you want to charge with 1A the power supply need to have a output of 1A. The max output doesnt important. Your charge/balance will limit to its maximum.
If you have a 1S lipo, just connect it to the red and black banana plugs. You don't need the balance plug. Led #1 should be on, press the silver button and charging will proceed.
I am going to buy this charger for my batteries they are lipo turnagy 3s 2200mah 25c, will it work and what other kind of adapter, plugs or whatever else do i need? I'm going to order and I want to make sure I have everything I need for it.
Thanks, Jason.
Charger will be perfect for your battery. The cables that come qith the charger are the one with the power connector (round 5 mm), and the banana plugs. You will need to solder the XT60 connector. Battery needs to be connected to charger by balance plug and the discharge plug, with the banana plugs (I hope it´*s more or less clear....)
When i connect my charger to power...lights flash red green red green, all 4, same time. If i push silver button, the lights flash and a beep, simultaneously...Using PC Power supply for the source
Yes, it will charge it ok. From your battery specs, it says it can handle 2C max charge current, that is, 4.4A, and this will charge the battery in 30 to 40 minutes. This charger has a variable charge current selector, so if you're not in a rush, you can charge it at a slower rate, that's better for the battery, let's say at 1A, in 2 and a half hour.
I had use this one one time with a turnigy 3 cell 11 vot lpo batt for transmitter. The charge was accurate and the cells well equilibrate with the same voltage. No problem with this simple charger.
J'ai utilisé ce chargeur une fois avec ma pile pour transmetter turnugy 3 cellules, la charge après vérification était précise les cellules bien équilibrées avec le même voltage. Naturellement c'est un petit chargeur qui n'a pas de témoin "Display" mais pour moins de 15 dollards c'est très bien.
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Overall Rating
Wireman
237 likes
Value
UNRATED
Quality
UNRATED
Like it?
To start with, I am very happy with this charger. Today I have compared it with the Accucell 6 I have since before. I used one of the most common Lipo's, a 20C Zippy Flightmax 2200 3S for my testing. The very same Zippy was at around 12.1V when I started the testing. I charged it at 1C and this charger made it in 23 minutes vs the accucell 28 minutes. The end result was almost the same. This charger got 4.19 4,17 4.21 volts, and the accucell 4.19 4.18 4.20. I used a simpel lipo voltage tester to measure this. One thing I noticed, this charger is fuzzy about the input voltage. It won't work over 15V. I tried a transformer that delivers 15.67V and it don't work with that one. It also comes without a Lipo connector. If you use the XT60 I recommend to put item=10414 in your order.
This is a great charger with the exception of one thing. The charge rate, at least on the one I received, is not at all accurate. 4.5A is actually only about 1A. I tried charging a 2350mah 3S lipo at 4.5A, and it took two hours and ten minutes to complete, when it should have only taken a little over a half an hour. This is highly disappointing, but otherwise, it's a nice little charger. Very good value as long as you are only charging small lipos.
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