NEEY 15A Smart Active Balancer. Makes your balance cables warm️... and it is smart!

Does pull power from only one cell at a time then switch to send that power to only one cell at a time? Because if we compare this to a multi-channel balancer that has a lower amp rating perhaps it's not really as powerful as it sounds.

Andy, I’ve tested this balancer also. Great balancer HOWEVER…. Have you tried balancing a pack when it is miles out of balance? I’ve found that the average voltage needs to be above the balancing start voltage. For example, if one of the cells has somehow reached 3.65v and the rest are sitting around 3.4v. If the balance start voltage is set at 3.45v then the balancer will not start. Is this your finding also?

Thanks!

Where can I buy this,thanks!

Thanks!

It's obvious that this company is listening to its customers I wish next time they would include the screws so I could mount it connected permanently thanks again Andy

Andy I need your help I bought a new 15 amp Smart Balancer when I try to pair that with my phone Android it recognizes the balancer and then it asked me for a passcode I'm not the smartest tool in the shed maybe you can help me out any help would be greatly appreciated thanks

Heya, like you said you bay for thousands of $$$ batteries then you need a good and fast balancer and for sure does of us how are bilding batteries and sell them

Which protection board would you recommend to go along the NEEY 15A Smart Active Balancer? We are looking for something that offers over-charge and over-discharge protection, over-current, short circuit, etc. Our continuous current is usually around 200A (peaks can be around 500A) and our charging current can be around 280A. We are using 24 cells LiFePO4 battery.

Hi for some reason the app isn’t available on the apple App Store can you help

What does "over flow" on the original neey mean? Says "AVQ line res exceed" now neey won't turn on

Hi Andy. You mention in the video that the balancer can be connected in cascade, up til 2 units. That is according to published information from NEEY, but it is in fact not true. These balancers can be connected in cascade in indefinite numbers as long as the supply power is supplied separably by an external power supply ( 12-150V ). Beside of that, keep up the good work.

Witch is app for 15a

Like for many Andy, your channel has been my friend for a while now. I thought that I'd add my experience for your delectation. I bought 340Ah batteries a few months ago from the wrong source and am paying the price. Of the 16, 8 were physically damaged and despite telling the seller in China straight away and having supplied pictures taken whilst unpacking, I was ultimately accused of fabricating the pictures. Eventually, they agreed to sending a 15A Neey balancer to me like this one, to hedge bets against potential performance differences cell to cell (I paid carriage charges). The balancer sent was an Enerkey, which looks the same as the Neey. Only an Enerkey app (not Neey) was available from Apple for iPhone, and so this was lucky. Having only just installed it, I have discovered a few issues: It seems to ignore the cell to cell voltage difference, which you highlighted as a problem for the 4A version from two years ago, and I haven't been able - yet - to get it to stop balancing all the way down to 1mV, despite trying to fool the unit into thinking it had acheived its balancing goal. I had no instructions. Unfortunately, it turns out that my cells are quite mismatched and one cell in particular both hits its down slope knee and the up slope knee before the others. Four other cells aren't exactly good either. I have asked for help from the seller but am not counting my chickens. My suspicion is that I will have to draw on my knowledge of programming and electronics to design a simple external controller, but haven't been able to find out the codes used for the ttl port, which I hope can be used to retreive data and to send data and commands. If anyone here knows where I can find any more info on the ports function, I'd be grateful to be pointed in the right direction. My initial idea is to both top balance and bottom balance - leaving the middle flat-line alone. This should side step the less good cells dictating the effective capacity of my system. Thanks ;-)

I want to thank you from Sunny Texas, USA. I watch most of your videos as you are very entertaining and I am interested in similar things. This video you did on the 15 amp Neely active balancer was what my "Frankenstein" system needed. I run my house on a solar system I built and installed myself and use a DIY power wall that I made from recycled 18650s. The battery is a 14S 260P and I was struggling with balancing because the battery was too big for what was on the market. Then one day I checked on your channel to see what was up and you had this video of the 15 amp balancer. It did the trick. In 72 hours I went from a cell difference of 1.2 Volts to currently 0.86 volts. My battery lasted the whole night and only needed to recharge from the grid once versus what would have been three grid charges. I could explain more but this comment would be longer. I use two 100 amp Daly BMS in parallel with a 4 amp active balancer with the new 15 amp Neely. Thanks a bunch good Sir. Paul Zertuche.

After six month this Active balancer has stopped balancing my batteries 3 off my sells

Thank u for such an amazing video. I need ur opinion on next matter:

Question:Whats is ur opinion on combing old ( 9 years) and new battery cells? Its LIPOFE4 battery. Old batteries are 100Ah with different internal impedance ranging from 0.9-1.5m oms and new batteries are 0.3-0.6m oms.

Final Question: Is that smart to combine and do u have any advice on how to do it in the best way

Does this work using a seplos BMS as solar. Or should be used on a bench charger

super nice

Is it possible to find the software interface for this fantastic balancer? Of course, it came with zero documentation, as usual for Chinese "products."

What is the default android app password?

Andy , I bought this balancer but cant find the android app , any help from anyone would be greatly appreciated , thanks to all!!!

I Can not find a App in the Apple App Store for this 15A Balancer, can you help?

What editing software do you use?

Thanks!

Andy I bought this balancer I cannot find the software to download anywhere could you please help me

Hey, ich bekomme die Fehlermeldung "AcqLine Res exceed" und der Balancer arbeitet ist. Hast du eine Idee, woran das liegen könnte?

MOST SEXY PCB THAT CHINESE EVER CAME UP WITH!

Thanks!

passend zu der gerade gestellten Organic zeit bei Bolus Frage - damit ist meine erste Frage schon beantwortet - ich dosiere auch nach Bali Reef empfehlung Organic und Armin, so wie Elementels dem KH und CA beigemischt gemäß Rechner nach ICP. - untern strich kämpfe ich ehr mit zu hohen Nährstoff Werten als mit zu niedrigen - sollte ich die beiden "Alten" Produkte mal absetzen und nur bei den Elementals und Trace Anpassungen arbeiten nach icp Messungen?

Is there any one that can tell me where to find the app for the new 15 amp Smart balancer? Thank you in advance

Danke aus Deutschland. Du hast mir den NEEY ein gutes Stück näher gebracht. Thanks a million

Faster balancing - healthy battery 👍

Thank you for this review Andy. I just ordered the 10A version from Hankzor. My LTO battery bank is 18P23S LTO 55-AHr pouch cells. So 18 pouches in parallel to form each 2.3V "block". Therefore about 900 AHr total. After testing all 414 pouches individually, multiple times, using monitored charging and discharging, I believe I've got them sorted into pretty equal blocks; should be within ±1% in terms of capacity per block. So within about 10 AHr. So my thinking was the 10-amp balancer should get the pack balanced, in general, within an hour or so. The usable voltage range for LTO is roughly 1.8 to 2.7 volts per cell. I plan to set the BMS limits at 2.0 and 2.5 vpc (using a Chargery BMS for now, driving external contactors to kill charging or discharging when necessary).

It will be interesting to see how the individual cell voltage measurements compare between the Neey and the Chargery.

The unit I bought from Hankzor says it's 4th generation. Do you know whether its operating algorithms are the same as the 4A version, or more like the 15A version??

Does anyone know if the settings will allow cell voltages of 2v??

Note: recently replaced BMS on bike battery, and added an active balancer - both Red (Daly) and both “smart.”

Now something in the motor proper seems to be messed up. Learned this by looking up the Bluetooth app on the phone - an overcurrent situation showing on the BMS.

I wonder why does your link leads to x4 more expensive product than competitors offer? €720 vs €180…

lol almost 100k sibscribers but only 377 comments go figure theres plenty of people who hate your content clearly

Thanks, very possitive video )

Can the Neey active balancer work together with the build in active balancer of the jk bms.
Best regards
Johan

Haha german Andy, you are a real performer on the nerdlevel, no one takes you and I love it, the best to you there in australia😂😂

💩🖖

Hi Andy thank you for the video! Do you think it works with jk active balancer or do i have to deactivate the Jk balancer ? (Conflict)

$40 for the 4amp x 10 balancers = 40 amps for a lower price if you could add 10 of them ;)

Perhaps someone can advise. I just received my Neey and I want to try it out on a 2P8S battery that uses a REC Q BMS with passive balancing. I assume that I need to connect a bench top power supply AND disconnect the REC Q BMS so that they don't fight each other?

Does anyone know what the DEFAULT password is? I am about to set up my new Neey 15A active balancer today. Thanks in advance!

I realise this reply is going on a year old video but I'm seeing another brand on AliExpress that looks very similar to the NEEY, The Enerkey EK-24S15EB is at £169 in the January 2025 sale. Is it the same internals though?

I figured it out. 1-2-3-4-5-6