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MPPT Charge Controller 30A,Max input Power12V/390W, 24V/780W, Max.PV 100V (Support Lead-acid and Lithium Batteries)
Product Specification :
Model: GCTD2307(Bulit-in Wifi module)
Rated charge and discharge current :30 Amp
Nominal system voltage:12V/24V DC auto ( Lithium voltage can’t be identied auto, please select controller BAT Li-type by manual. )
Max. PV input power: 390W charge for 12V battery system ; 780W @ 24V battery system;
Max. PV open circuit voltage: 100V (at minimum operating environment temperature) , 65V(at 25℃ environment temperature) ;
Support Battery types : Sealed(default) ,Gel (AGM), Flooded, User ; LiFePO4(3.2V)~(4s/5s@12V; 8s/10s@24V ); Li (NiCoMn)O2 (3.7V)~(3s/4s@12V; 6s/8s@24V ); User .
Grounding : Common Positive
Temperature Compensation: -24mV/℃ for 12V system ; x2 for 24V system.
Working environment temperature : -20℃～+50℃
Protection Category: IP32
USB Output: 5VDC/2A
Controller Terminals:#6AWG(16mm²)
Dimension:205*157*53mm ; Weight :1.2KG
Steps: Connect solar system in this order: 1.battery--> 2. PV arrayload--> 3.DC load, and disconnect solar system in the reverse order >3. >2. >1.
Battery must be connected first ! Never connect soalr panel array to controller Without/Before connect battery.
DO NOT connect any inverter/wind/Alternator or Charger into the charge controller directly ! You should connect with battery and add fuse .
The fuse should be installed as close to battery as possible，the suggested distance is about 150mm
Support Mulit Lead-Acid and Lithium Batteries
The charge controller supports 12V and 24V systems, connecting with lead-acid batteries and lithium batteries, and can automatically recognize the system voltage (12V/24V lithium batteries need to be set manually).
Adolf
Reviewed in the United States on March 11, 2025
I only tested on a bench so far, it handles 120vdc input fine it seems, hopefully it will be fine with my 180v system.The app requires LTE/Cellular, precise location, camera, and file permissions to either connect to it locally or add it to an account.However, to simply log into an existing account and view the device remotely, you do not need to set any permissions and can disable them.What I did and recommend is you use a burner phone with nothing on it to do the setup of it, and then you can use the app on your real phone to remotely connect.The cooling seems mid for 100A and despite it mentioning a load on the app, on the charger, and in the listing, there are no lugs to connect a load. there is only pv in, and battery in.But for me it was between this or a Victron that costed $8-900 for it + remote access, provided it actually handles 100A and my 180Voc I think its mostly worth the money.
Conradi
Reviewed in Germany on April 29, 2025
Den Artikel habe ich leider nicht bekommen,er wurde irgendwo abgestellt,ich habe 2024 einen 15 A Regler gekauftbei dem selben Händler er funktioniert einwandfrei auch über die APP,in der App hätte ich diesen mit hinzugefügt,Versandinformationen sind nicht ok.Geld eingebüßt,habe mir einen Regler mit Wifi besorgt allerdings mit einer anderen App.
Ryan Wilmot
Reviewed in the United States on August 31, 2024
I love that this product connects to the Internet via WiFi so that I can monitor my battery status from anywhere. It was nearly impossible to find that feature at this price point. Other than that this is a solid solar charge controller! I even found the 5v USB ports helpful as well!
Samuel P. Dechario
Reviewed in the United States on June 1, 2024
I've been buying all sorts of charge controllers, trying to find one that's not terribly expensive but still works well. I've been running this for a week now, hooked up to 4x100watt panels making 24v (2s x 2) hooked up to a 12v battery (sealed, lead acid) and running a starlink router and antenna, prototyping an off-grid home office. So far, this has been the best for the following reasons:1. Hooks up the thick solar panel wire (some of the other ones couldn't manage it).2. Dissipates the heat (some of the cheaper ones didn't even though the current and voltage were way under what they were rated for.3. Shuts off the load reliably and re-activates it in the morning (my single battery is not enough to run the starlink all night @ 50-100w).4. Has a really good remote app and its pretty easy to connect the controller to the internet so you can monitor and control things from afar - First lower priced one I found that does that, and it actually works well.5. Display cycles though PV, battery and load.Would be nicer if:1. Had some sort of load scheduling (i.e. turn off at 6pm, turn on at 6am).2. The wifi was enabled by default, I had to figure out how to use the two panel buttons to find it and enable it.I like it and probably will get another one for my other site.
nathaniel
Reviewed in the United States on May 25, 2024
it's works as it showed be 100% happy
Customer
Reviewed in the United States on May 10, 2024
I have carefully researched and purchased 5 different charge controllers from vendors including an expensive top brand. This model stood out because of the number of features it has at budget cost. First off is lowt heat dissipation. Next is the USB port and removable USB LED lamp. I used it to keep the screen lot at all times. The effiency and quick MPPT tracking impressed. The WIFI cloud access through an APP is a prize features other budget or more expensive products lack. Screw terminals are robust and able to handle the right size cable without issue. Only quirk is the lack of realtime on demand. Reason for 4 stars. But I believe this will be updated in the future. Best budget friendly charge controller given the many I tried and researched.
W H Weaver
Reviewed in the United States on December 25, 2024
Works well with my 2 kWh system.
Customer
Reviewed in the United States on December 14, 2024
There is no app update for Wi-Fi on Android or manufacturer help for this item.
jock
Reviewed in the United States on November 21, 2024
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