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Call growatt support; there great. Solved the China USA server issue while I was on the phone.

For anyone trying to reset a Growatt unit. I have an SPF 3000TL LVM-24P and used the following to reset: Press Up+Down together (should get code 00) Press enter and adjust to 305 (up 3 enter, up 5) Press enter twice and wait for long beep and the unit will spin up. Check settings to make sure...

What is the factory reset procedure? I looked in the manual and didn't see anything and I also watched the short video above. Is it described anywhere? Thanks, Curt

What is the factory reset procedure? I looked in the manual and didn't see anything and I also watched the short video above. Is it described anywhere? Thanks, Curt

Password format: growattyyyymmdd

I have a 280ah 24v battery that I run a JBD BMS on. I looked at high amperage BMS's which are pretty expensive and ended up monitoring my amp draw before ordering a new BMS. In my case, the battery only supplied 80a at the highest which allowed me to purchase a much cheaper 100a BMS.

I use 12v 100ah on my 18' bass boat now. I run a MinKota 45lb and have a separate 12v lead acid battery for the motor, graphs ...etc... Typically it will last all day fishing because the electric motor is just for moving along the bank. If I put it on 10 it uses around 30 amps an hour. I...

bump...watching

Looks great, makes me embarrassed to show mine. You can melt a Kydex sheet for a top cover...cheap and easy to work with.

Not long unfortunately but they seem secure enough. I used a little lock tight so the bolts would stay tight.

These look like the same ones I used; mine were off eBay and re-branded. I used them on 10 of the same panels mounted on an angled pump/shop metal roof. I did use longer bolts with large washers and went clear through the roofing and 3/4 in plywood sheeting...

10 used(cracked backing) panels from Santan(35 each+delivery), 24v Growat LVM eBay(689), LifePo4 came from the company with the ape logo? can't think of the name. Subpanel with breakers Amazon(35). Panel brackets Aliexpress (5 a set). For large wire, I chopped up an old set of jumper cables...

I just did my well and pool pump with the used Santan panels and a Growatt all in one via a sub-panel off-grid. Cheap easy, very straightforward. Set the pool, which runs at 500w, to run 8 hours a day when solar is available. Made a 24v50ah bat from some used Lifepo4. A fun project that...

That would make total sense. Too bad someone hasn't put together a simple program like we use for vehicle vins. 1st character country, the second character make...etc. You input the vin and it spits out the year, manufacture, date made.....

I know this is an old thread but I have the same issue. If anyone has ideas, pic above

Thanks for the help. I’m going to leave as is an keep my fingers crossed.

I built a 24v 50ah LifeP04 battery out of cells that had little documentation. Is 1c the standard discharge rate or can I push it up to 1.5c or 2c for short bursts? It's hooked up to a well that surges at 2000w. Usually, the watts are split up between grid, solar. and battery depending on...

Thank you for the well-thought-out response, I will definitely take your advice. Thanks again. Curt

I have 10 used panels from San Tan Solar with VOC 36.7. Right now I have them split into 2s2p(73.4v) into one inverter and 2s3p(73.4v) into the other. The max pv voltage logged so far has been 65v. The Growatts have a max VDC of 145. My question is, should I raise the voltage by...

Thanks for the quick reply. I'll definitely go for parallel. For some reason, I thought that wasn't an option. Thanks again. Curt

I have 2 Growatt LVM 24v running in split-phase and currently have them sharing a single 280ah Lipo4. The load could be as high as 4k daily. I could use a little more battery backup during winter and am considering adding a leftover 50ah Lipo4 to the system. My question is how to add the...

Any luck purchasing busbars?

I'm not sure if you two have fixed this issue yet, but if not, try the US service number (818) 800-9177. I had a different issue that the service tech handled quickly. I left a message describing my issue and he called back in an hour.

I just purchsed 8 x 280ah Lishen's from Shenzhen Yidong Technology Co., Ltd. . I'll update the post as it goes.

Great idea for a usb charger. I0 more.....awesome Thanks for the replies, Curt

I did a little late night shopping and bought these from Battery Hookup: 10 pack GSP 3.2v 50ah 160wh Prismatic Lifepo4 What do I do with the extra 2 batteries? is there a way I could use them? Confused Curt