AliExpress MPPT Solar Charge Controller

Its time for another solar charge controller. This one is cheap, and has a couple of interesting features.
Items in this video:
❗️These links are affiliated and I may earn a small commission if you purchase❗️
MPPT Solar Charge Controller: s.click.aliexpress.com/e/_9GEu13
Aneng AN8002 Multimeter: ebay.us/rFvkf7
Uni-T UT211B Clamp Meter: s.click.aliexpress.com/e/_A1fFUN
0:00 Introduction
2:12 Box opening
3:53 Inside the charge controller
10:11 Common Positive
11:42 Powering up
13:05 DC2DC conversion?
14:57 MPPT?
18:14 The app
20:03 Conclusion
Thanks for watching - It'd be great to hear your comments.
Please like, share and subscribe!

[@precisiont5188]

I love how you explain everything with names, etc.

[@piconano]

"Patented Product(s), Counterfeiting Not Allowed"? hahahahaha hahahahaha I needed the laugh.

[@backwoodsbungalow9674]

... but they did it anyway 😎.

[@RickinICT]

"Do as we say, not as we do."

[@konica-minolta-serwis]

Super! Thank you for the test

[@davidlynnprepperprincipal3540]

Thank you for sharing. Blessings 👍🏼

[@BobHannent]

My guess would be that the esp is just acting as a serial bridge, and the other pads you saw on the other side are for a bt module in serial mode as well. Probably fun to probe the pins and record the traffic going between the charge controller and the module, documenting the commands. I wouldn't be surprised if the rs485 port just needed a socket as well! Looks like a nice little controller for not much money, but the link is dead.

[@electronic7979]

Nice review video

[@MakerFabio]

Hi Adam, thanks for this complete video.i was looking for similar size and power mppt for my RV, but i have lifepo4 12V bat. I guess here will not be easy to set parameters. Do you have any recommanded mppt for lifepo4 20A not too expensive? Thanks

[@AdamWelchUK]

Hey. I’m charging my lifepo4 bank using a 20 amp EPEver tracer A charge controller. It’s been running for years. You will need some way to connect to it if you want to customise the settings though. MT50, WiFi, Bluetooth or a home made solution. I’ve pretty much made a video about them all! :-)

[@MakerFabio]

@@AdamWelchUK thanks, i ll be looking among your video then.

[@bluefishactcl1464]

Thanks Good video

[@tangoalpha8381]

Excelente Vídeo parabéns amigo 👏👏👏👏

[@user-lh3nw2rs5l]

ㅣㅣㅣㅣㅣㅣㅣㅣㅣ1ㅣㅣ

[@Adilsoncosta741]

Kkkkkkkkkk vídeo é bom mas não entendi nada eu consegui entender algo nos comentários

[@DIYwithBatteries]

How much current draw to function the MPPT?

[@walterreed717]

Well done, would like to see similar with a substantial current output ie motorhome conditions.

[@19trwind82]

I bought this unit (140D) without WiFi (I use external arduino + raspberry pi + node red + grafana to monitor input, output and a bunch more). I live on 1 degree north latitude and I got 150+ Watt on a 2 x 100 Watt series with this solar charger. What it could not do with my system (8S LiFePo4) is re-activating the BMS after the BMS had protected the battery for low voltage - despite the claim by the manufacturer that it can. I had to jolt the BMS back to live with a power supply on mains. Looking at this video, I am happy I didn't pay extra for a WiFi option. Overall, I am happy with my solar charger, given the reasonable price.

[@AdamWelchUK]

Thanks very much for the comment. I presume you’re using modbus? I’d be really interested to see your list of registers, or the node red flow if you’re able to share? Cheers

[@19trwind82]

@@AdamWelchUK Hi! Sorry I wasn't able to reply earlier! And I am sorry to tell you it is not as complicated as hacking into this unit! I have set up my grafana using this video: kzbin.info/www/bejne/gJW5ZatvZ5qUq5I (Andreas Speiss). I have used a shunt for measuring the current by connecting it to an AD620 Voltage Amplifier and an ADS1115. The battery voltage I am measuring using an INA219 (I have a bunch lying around and I didn't want to use a voltage divider for measuring the battery voltage even though I am not using the INA219 to its full potential). I am using an arduino processing the data and sending it over UART to my raspberry pi / node-red server. In fairness, as of today I haven't connected the solar-side yet to measure, because I am waiting for a shunt to arrive. I will probably have to use a trick to be able to do that, given the fact that the solar charger unit is anode-common and the dc-dc buck modules I am using (one to power the raspberry pi + arduino) are all cathode-common. Cheers!

[@jeoffer]

Hooray! Adam's back. Oh, wait KZbin has not been alerting me in my feed even though I have the bell marked for ALL?

[@Tinker001]

The bell is a cake.

[@kevinroberts781]

Can it work with 3s and 4s lithium 18650 cells?

[@danrmejia]

Hi, Thanks for the video. Do you think it can be used to charge a 3s 18650 battery pack? Cheers!

[@michaelwright6304]

Hi, thanks for this. I have a question: Is there any difference between connecting a load directly to the batter and connecting it to the output terminals on the controller - apart fromt he ability for it to auto shut off if the battery voltage drops too low?

[@McTroyd]

It would be interesting to hit those RS-485 contacts with a continuity tester and see where they trace back to. Chances are good, if they connect to a microcontroller, you'll be able to populate the passive pads from an "example" circuit in the microcontroller's datasheet. Of course, that then means tracking down compatible software, or API documentation -- you're probably better off going down the road of modifying the ESP.

[@AdamWelchUK]

Thanks for the suggestion. I hope to get somewhere with either the rj45 jack or the esp. watch this space as they say.

[@chrisandgabsworldcyclingto1728]

I’ve just got the 130D for my solar on my Campervan for 3 batteries, the last controller overcharged my batteries and boiled them, is there a setting on this one to stop that happening? I have 3 12v leisure batteries

[@osman2k]

I got one. Default LifePo4 settings good or should i user define? Thank you..

[@DavidLouthan]

Excellent review! Seems to be real MPPT. Cool buck conversion and has an app. App seems to need a bit of work for programming and English. "A bit buggy" lmao 🤣

Yes I see the same, it need some programing. By me have connection but thats is all.

[@tobiasn6591]

Hey. A bit late but I got this charger from Ali and was looking for a video explaining the WiFi. First: there is a version 2.0 for the app that is translated much better Second: is there a way to secure the WiFi or integrate it in the home WiFi?

[@FreddyHFK]

Can this controller be used with a 5 cell li-ion system?

[@golanka8237]

i got the same charge controller after looking your veidio. but when i fix my solar panels 42 v 120w it shows only 11.8v in the solar side. any idea?

[@chheangkruyheang]

For common positive controller, Can I connect solar positive to the battery positive terminal ? My controller PV positive screw clamps is damaged.

[@diegomuuo929]

Hello there, anyone kindly provide the link to android app for scontroller

[@suataydemir9144]

Hello, there is a 20amp mppt charge control. Is it efficient to connect 4 50 watt panels in parallel or in series with 44 volts in 2 groups, the system is 12 volts?

[@irfansensoy5901]

Hello. Which of the EPEVER mppt charge controllers in this video is better? Or are there better brand models than the current models? Taking into account the P/P ratio. Thanks.

[@user-bz6fm3xw4q]

What is self-consumption (mA) with the panels and load turned off (if on this model it is posaible to turn off the load and the usb), the manual gives

[@lifeisgood3386]

Hi i have 1x 100ah leshure battery but i am thinking of getting another and join them paralel what regulator would you recomend i am currantly using just one of those blue ones with 2 x solar panels in serius 10 w each connected to the regulator but as i said i want to add another 100ah battery can you advise me thank you .

[@adrianleitch6996]

Nice video. Would love to see a follow up video to check efficiency of the unit, something I have noted you often do and I personally like to see.

[@AdamWelchUK]

In the brief test I did I found it to be about 83% at 20 watts input however I’d hope that would improve when more current is flowing.

[@cyrillem28410]

wonderful review as usually ! Mine dont have wifi or bluetooth. Is it possible to simply add wifi ?

[@AQUATICSLIVE]

Nice, you have me interested looks like a fun time figuring out the communication hoping that an RJ45 can be added to get RS485. I am thinking you can only have one working at a time so probably would need to disconnect the Wifi.

[@americannumber2]

They all made in 4 factories in Shenzhen China. Some of them share same software.

[@fc436]

Halló... The Ap seems to be the same of Epever App. What do you think? Is epever to write the App? Or some external company, that provide the App to Epever and other Chinese company?

[@shirazulislam2178]

Hi sir This controller have auto cut off after full charging please sir let me know

[@PatricksDIY]

6:03 Adam, I'm curious When you said that the capacitor is what limits the controller to 100 volts, are you able to change that out for a 150 volt capacitor to increase the voltage? ( sorry if its a dumb question I was just wondering) Or would you have to change out a lot of other stuff aswell?

[@AdamWelchUK]

Probably not. There is also the matter of the mosfets - and potentially other areas which will need to be looked at as well. Often the input voltage is capped perhaps 5% lower than the capacitor rating to be on the safe side, but not in this case.

[@peteryaghi5130]

@@AdamWelchUK hello do you have the mosfet part number that are used ? thank you

[@AlexandrinaIlie-vu4ov]

@@AdamWelchUK Anybody managed to bring the voltage from 100, up to 150? On the manual says it is optional.

[@jeffvenqueleir2036]

mabe you can try the epever app because it is the same layout

[@LarryKapp1]

Thanks for the review . I have been looking for a small MPPT controller . I was given some reject commercial PV panels that put out 380 watts and are 48v Voc . So that controller is good that it goes to 100v for PV but it can't handle the current I need . They rate the current as the output to the battery and not the PV current. So I would need the 40 amp model and that brings the price up to $110 . So at that price I then I need to compare to other MPPT controllers that might be a bit better. In the long run probably is smarter for me to get a USA produced Midnite or Morningstar controller that are warranted for quite a few years but of course cost more like $300 plus . Tough choice . Since the PV I have I think is basically two PV put together I might be able to cut the center at a junction box and then could use the inexpensive controller.

[@LarryKapp1]

I will probably end up getting Victron 75 /15 . It is 75v 15 amps but the good thing is that I see that it can handle a larger PV and will limit the input current if it is too much. That is perfect since I want more PV than less so that on cloudy days I will get more amps in.

[@MothKeeper]

@@LarryKapp1 Larry are you having a conversation with yourself?

[@bearpoik]

@@LarryKapp1 Hey Larry, i am thinking quite the same for me, a bigger controller would just get me loads of power at high sun and my batteries in my van would be full in like 2 hours...but that isnt necessary so with a cheaper controller i still get the most out of cloudy days.. Would not all mppt automatically limit the current if the solar power gets too high? Thinking about getting victron, too..

[@LarryKapp1]

@@bearpoik The controller will limit the power to the batteries - cut the current back based on the Absorb and Float setpoints. If you have loads above those ( and available power) then a controller like Victron should also limit the current to the maximum output that it can handle. You would have to double check on that to be sure though. Who knows what a cheaper designed controller would do - probably smoke !

[@bearpoik]

@@LarryKapp1 hmm I am just guessing but a DC-DC converter will just draw what it can and thats it..no smoke. imagine it hanging on a power supply with unlimited power. Its basically like a normal house socket..a phone charger just draws what it needs. A pwm controller however connects the solar directly to the battery so the current is not set by the controller and it has to be able to handle max power

[@burkesdale]

Adam, Since this has a Common positive layout is it ok to have this in a van and have this connected up with a Split charge relay so the van battery charges the house batteries as well or does the Common positive get in the way and make things worse? Or would anyone know and can help me please?

[@iainathairydog]

A SCR never works well. You are far better getting a battery to battery charger instead. Some B2B chargers can also work as an MPPT solar charge controller as well, though my one (a Redarc) has quite a low max input voltage, I think..

[@hectorvillarreal519]

Could you reshare the APK, because the link on Ali is down

[@travelandtech2185]

Hello, an excellent video, so thank you so much. I need help with a question I have. Can I use a 24v solar panel 280w with this charge controller of 30a with 12v battery 🔋?. I am not familiar with this mppt charge controller. Thank you😀

[@CollinBaillie]

Yes

[@zonkanator]

The Bluetooth app is the same as epever controller and works really good

[@AdamWelchUK]

Nice. I’ve downloaded the epever app and just need to try it now.

[@MothKeeper]

@@AdamWelchUK come on Adam... Try it we all want to know 😀

[@ThanosSustainable]

Is there a way to connect both positive and negative common on the same solar system?

[@AdamWelchUK]

You’d need to look carefully at the solar panels/array and ensure there wasn’t a chance of a short which could effectively bypass your charge controller. To be safe I’d stick with one or the other.

[@TonyLing]

Common positive is a pain in the but for me with negative earth, split charge and grounded loads (two way radios)

[@iainathairydog]

The app looks identical to the Epever app for my Epever MPPT controller. That works brilliantly. Might be worth trying instead. However, I wish I'd chosen the Bluetooth option.

[@AdamWelchUK]

Thanks. I have tried the epever app but it wasn’t successful. Although as you say, they are extremely similar.

[@jimthvac100]

This is cool except from your review the parameters cannot be changed? does the instructions say they can be changed from the front controls?

[@AdamWelchUK]

Yes you can change them. I changed it, but then reset the values by choosing the b1 Type battery in the last menu item. But yes, you can change the charge limit.

[@williamjamesenkerwitz9495]

Dear Adam could you tell me about the GDPLUS mppt controller thank you

[@asaletbasturk8404]

I couldn't find the android app. Can anyone share it please 🙏

[@srdjan272able]

Me too

[@MarioDiPetrillo]

Ciao a tutti, qualcuno ha il manuale in pdf del regolatore in video. Grazie

[@gilsonsoares-mz2lc]

amigo tem uma versão deste controlador solar sem wi-fi e bluetooth,tem como adicionar a pcb nele, de comunicação de app no celular?

[@gilsonsoares-mz2lc]

Controlador de Carga MPPT Anern mppt 60a 50a 40a 30a 20a 10a controlador de carga solar lcd 12v24v auto para max pv 100vdc regulador de alta eficiência solar

[@stephanreading5639]

I have the 10amp version and its not really giving me results that make sense to me( not that i kniw all that much) but I am hoping that having a second solar panel in series will get it working

[@stephanreading5639]

Well its working much better ive had it going in the roughest sense of the word its starting to give a lil real world results

[@SigmaWorksSW3D]

Great video ;) i have ordered 140D model and it should be in my hands in any next day... it would be awesome if you could try to hack that esp wifi module :)

[@DrenImeraj]

Hey! How has the 140D been treating you? I was interested in getting one for myself, but I wasn't sure if it will be able to safely deliver the 1kW charging power with 24V batteries.

[@SigmaWorksSW3D]

@@DrenImeraj Hi :) its good only for deep cycle batterys... for 18650 or lifepo4 its garbage, but it delivers power realy good... i sold mine and trying to buy 2nd SRNE controller... those are best for money and every parameter can be changed as you need. realy recomend srne... i have video abaut it some while ago

[@petersmith5219]

I bought one. I have no idea if it is working or not. Battery seems to be charging in the shed but when I take it into the bright sunshine the display turns to E 14°C and an exclamation symbol - bloody hopeless. No name and can't find a manual anywhere.

[@derek9253]

the app looks very similar to the epever app, wonder if it is compatible, great video keep up the good work.

[@AdamWelchUK]

Might be worth a look :-)

[@KingstonHomeMaintenance]

Exactly my thought as it's the app I use.

[@JonathanWellskcender]

The footprint on the back of the ESP board looks to be for an HM10 Bluetooth module.

[@AdamWelchUK]

Yes I figured while editing that it would make sense for that to be the Bluetooth module - thanks for the information Jonathan.

[@chnbrs4074]

Hi, ı have a question. This 40A, is input current or output current? For example, If we use 960w at 24v (that means 40A input), is it charge 12v Battery by using all of solar power (it converting 80A)

[@CollinBaillie]

Pretty much every MPPT charge controller is rated by the output (battery side) capability. So that would be max. of 40A charging.

[@chenjacky5143]

I tested it like this, block part of the solar panels with cardboard, and found that the maximum power point(MPP) detected by the controller did not change, and the current became smaller. Remove the cardboard blocking the solar panel, the MPP detected by the controller remains unchanged. After some minutes, the controller will have a full scan and the MPP will change. So Is that right？

[@rm6857]

looks good

[@solar24gr]

Hello I need this App,how can i find it?

[@elcorijns9708]

thanks Adam for using your knoledge to clean up the minefield a bit for the rest of us, this thing looks to be no longer avalibe, questions are: did you find out if this thing can be paired up on one accu???, and are there other controllers i can do that with??...........would be verry handy if you non't know where to start yet, and have even less of a cleu where you will end up ;-)

[@pepethefrog7193]

You cannot check mppt functionality when the battery voltage is at its upper limit. To check mppt use a discharged battery which will happily take any current available. You should see around 34V input when mppt is active. If it goes below 32V you have a dc-dc converter but no mppt.

[@deslomeslager]

Exactly. This was a bad'ish review. On the other hand, the click-link to Ali does not work for me either, so nothing missed here.

[@AdamWelchUK]

I agree but I demonstrated by adding a load the charge controller adjusted to the required power point (and was trying to show that the lcd was a little misleading suggesting MPPT was happening all the time). I’ve tested quite a lot of solar charge controllers and it’s difficult to cover everything and keep regular viewers interested if every test is the same. I appreciate where you’re coming from and your comments thanks.

[@solartalkers]

Thanks

[@Space_Reptile]

the link in the description doesnt seem to work, maybe the listing is gone?

[@AdamWelchUK]

I updated it after reports of issues - I’ll try again. Sorry

[@gangster_mkd_]

I have 80 volts from the solar panel with 1 amp current after mpt to the battery I get 13 volts with 1 amp current I do not have dc to dc conversion?

[@cyrillem28410]

Victron is a great brand

[@Bergwacht]

i think i will stay with victron and powmr^^

[@juststeve5542]

Please note, the Android app link you show in the docs is not for the Google Play store, it's for a direct sideload from a Chinese website. So you have no guarantee what it will contain, or could contain in future. Be warned.

[@AdamWelchUK]

Useful advise. Thanks.

[@mellee3436]

Until about 18 months ago, the epever apps were only available from a website as well. The android ones I mean. And they were perfectly ok. But point taken.

[@jandevries6660]

it's crap, like all these low level stuff from MPPsolar... these guys are not even able to have an customer service. 😂😂😂

[@williamarmstrong7199]

Is it about time you designed an MPPT charge controller? As a kit using available modules (wifi / bluetooth) for self assembly? Something in the 30 to 50Amp hour 12 / 24 / 48 volt?

[@Pavishnutech]

Can you please send me the link of that application for Android

[@terencehodson2030]

Can you recommend a wifi/bluetooth 12/24v charge controller that the wifi/bluetooth works properly as like you i find the chinese apps not good ,regards Terry

[@PetRatty]

just wonder why they didn't use an esp-01. Maybe the 12f was cheaper at the time, it'll be just a serial to wifi bridge / web page

[@AdamWelchUK]

The 12f is a surface mount module, probably easier.

[@Lawiah0]

FYI - on Amazon: "Ximimark 1Pcs XH-M604 Battery Charger Control Module DC 6-60V Storage Lithium Battery Switch Protection Board Controller" Price: $8.78 Works as advertised

[@Babilonia-bw7rx]

Wow, Nice!

[@THESOHAILKHAN1992]

i also plained this. but then thought you can buy two more 150watts pannel instead. efficiency here doesnt make sense unless the pv is 100 plus meters away

[@Lawiah0]

Did this MPPT Charge Controller have Battery Presets?

[@AdamWelchUK]

Yes, usual presets for flooded, sealed, AGM and also lifepo4, lithium and user set.

[@Chickey]

Nice video as ever, i see a hacking project coming up :-) Wonder if the code i wrote for the EPEvers can' be modified to work with this, also i have some RJ45 connectors if you want to try fitting one to the board also. btw i had to delete wifi from the search after following your link before i could find any on Ali.

[@AdamWelchUK]

Cheers Colin. I have a hunch about the comms, hope to be able to sit down and test soon. I’ll take another look at my link, thanks again.

[@akashkumar9144]

I got a 40amp version of this, and got 2*395watt panels rated at 40v and 10amps each, my question is should I wire my panels in series or parallel and I dont have shadowing issues but yes I live in a area with less sun and more clouds..

[@bearpoik]

I guess with mppt, parallel wiring doesnt make sense or am i wrong? Its never the same mpp voltage for both panels..ecen just considering manufacturing differences.

[@akashkumar9144]

@@bearpoik but my setup is for 24volt system, hence the voltage from panels are stil higher for mppt to run

[@bearpoik]

@@akashkumar9144 yes, the controller will have to do 80V to 24V conversion which is maybe more wasteful than 40 to 24. But i still think series is better...but I do not know it.

[@CollinBaillie]

Series would make sense if you had a long cable run from your panels to the controller. Less loss over the long distance when using higher voltage.

[@nonyanks2510]

As small as it was I was really expecting it to be a PWM, will be curious if you get the wireless working correctly, as always I came away a bit smarter than when I started the day!

[@ittibaussalaf89]

Please review Stec mppt

[@stuartdavies8388]

The app looks exactly like EPEver's app. Perhaps you could try using EPEver's software with the controller?

[@diegomuuo929]

Hello kindly share link for Android app

[@alainhouis3096]

Hello Adam ,i tried to buy it but impossible

[@GDMHificationranpitc]

take my subscribe!

[@AdamWelchUK]

Where do you want me to take it ;-)

[@GDMHificationranpitc]

@@AdamWelchUK eeww thats not what she said .. Let's take it to Jesus... this ...midnite classic solar controller or MPT 7210A.. the neon green one ?

[@CriftinsCampers]

The identical looking Epever App is equally flaky on my iPad, in the case of a well respected supplier like Epever the badly executed app lets the product down very badly. It's almost ironic that a clone controller company would seemingly have also cloned such as crummy app as well!

[@FloatingIdeasonanarrowboat]

You would think they could skip the app and just use an esp web page or two, to do what's required. That should be bullet proof.

[@inventionsinlife759]

شكرا لك اخي على شرح وعلى كل شي واضافه الغه العربيه شكرا

[@hi-tech-guy-1823]

would Suggest giving it a 100v DC + a Tad over one of the MingHe 900W DC-DC Boost Module 8-60V OUT 10-120V Step-up Converter Power Supply Should pop it Nicely even a Boost Step-up Power Module High-voltage Generator to stimulate Lighting strikes with 5 ~ 6 inch arks You should get a MPP Soler (PIP-8048MAX) 8000w 48v 230 240Vac Solar inverter 120A MPPT solar charger Duel PV input 500vdc + 4x ~ 6X ~ 10X ~20x LG NeON2 415W BiFacial Solar Panel LG415N2T-L5 and test the AC Loads without battery feature

[@raymont6191]

Hi Adam Looks like they use the same software/app as epever Greetings from Amsterdam

[@AdamWelchUK]

Yes - that’s my hunch. Hope to test soon. Thanks Ray!

[@hectorvillarreal519]

Actual Aliexpress description for this item doesnt have any mention about wifi, someone who has recently bought it can indicate if it has wifi

[@anshchawla566]

Looks like space for a HC05 module

[@Desertphile]

Cool; thank you. Indeed, they do parallel. They also have the RS485. Made by Wuhan Hanfei Science And Technology Co., Ltd. There are no versions sold where both WiFi and Bluetooth are on the same board.

[@moadpih4959]

Please, I want a solar charge controller circuit with high current solar mppt, and thank you, I can't buy it that exists and is too expensive.

[@EM-ww3vl]

does it support lithium?

[@thesufi]

In combination with a XH-M604 charge controller, no reason why not.

[@aurthorthing7403]

The board looks similar to the OOYCYOO.

[@leviahamefula3994]

Seems this isn't available for global purchase?

[@AdamWelchUK]

Is it not? Sorry

[@BobHannent]

Adam Welch the link is dead, or rather has a search with zero results.

[@AdamWelchUK]

@@BobHannent Thanks Bob. I’ll look into it.

[@pokrop91]

Hello! Aps android ??? Help

[@srdjan272able]

HELP!! I NEED APP PLEASE

[@CsabaFazekas]

Please android wifi app link

[@vgamesx1]

These are going for a compelling price but only if you want to buy in bulk, otherwise after the cost of shipping it's so close to the EPever that you might as well just get that instead.

[@AdamWelchUK]

Yeah I think that is fair. You’d need to buy the WiFi module separately for the epever though.

[@pfeerick]

@@AdamWelchUK Or just bodge your own... I did that with my Tracer... have a ESP8266 with a 2.4" LCD on it... replaces the MT-50 display, and has a web page with all the info... should get back to that and put all the 'write' stuff in it... and probably swap it to an ESP32 so the modbus can run a bit better... I figured only doing read stuff was safer for starters ;) Works a treat though, and could quite easily do MQTT for dataloogging.

[@srdjan272able]

Pleas link to app for android

[@srdjan272able]

I HAVE BUT NOT WORKING! SHIT

[@hristosargirov7209]

can you recommend me a cheap but good mptt controller?

[@johnwyman6126]

EPever

[@cyrillem28410]

well... this one

[@subnormal8853]

Fajny film . Posiada Pan instrukcje po polsku ?

[@ThanosSustainable]

Looks like no way to adjust for lithium batteries currently

[@AdamWelchUK]

Well you could if the app would save the parameters! Perhaps the android version might work better?

[@thesufi]

Investigate XH-M604

[@ericseidel4940]

Can't wait for hack.

[@alansailing1387]

If you can’t configure the device for different battery types, it isn’t much use.

[@MothKeeper]

I have lead acid battery... It charges but your right not much use.

[@thesufi]

No reason why it couldn't charge li-ion - for instance combined with a XH-M604 charge controller.

[@brane2379]

Small SMD cap across bilg elko cap is not "interesting", it's normal. BBig electorlytics are SLOW - they have big series rresitance as well as inductance.

[@AdamWelchUK]

Sorry. It was more interesting because there was no footprint for it, it was literally tacked across the legs of the large through hole cap. An after thought.