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According to Growatt USA and Signature Solar I only have my 12 kw Growatt inverter running at about half capacity with my currant solar array. I have 24 - 260 watt panels running to my growatt inverter now 12 panels 3s4p on each pv string. I currently have it set up as 12 panels 3s4p on each pv...

Here's a little extra information for our Growatt users that I thought some of you may be happy to hear, I have figured out that if you want to see both the shine Wifi app on your phone or computer along with the solar assistant app for your phone or computer, all you have to do is get a Usb...

Hi I have 6.2 kw's of solar panels running to my 48v 12KW Growatt inverter and 600 ah of lithium batteries, it has been working very well for a year and a half now. But now I'm starting to run out of solar power to keep my batteries charged back up every day. I've purchased a little over 8 kw...

Hi I am having some issues with my Victron 500a shunt, It has been working fine for about 6 months now. I have it connected to my 48v battery module and I have a cable going from my shunt to a Raspberry PI that has the solar assistant software on it to monitor my solar system and my battery. A...

Hi I've been using one of the JBD 100 a smart 15s BMS that I purchased from battery hookup. I was using the bms as a 14s configuration and it has always worked very well. But now I am wanting to uses this 15s bms as a 12s bms and I cant find any information on how to change this from the 14s...

I have one of the 15KW Sigineer low frequency inverters that I'm thinking about selling. Its also brand new and still on the pallet and in the original box that it was shipped in. I'm not going to use it now because I am running a 12kw Growatt low frequency inverter and its doing everything I...

Sold Sold Sold I have one of the 15KW Sigineer low frequency inverters that I'm thinking about selling. It is brand new and still on the pallet and in the original box that it was shipped in. I'm not going to use it now because I am running a 12kw Growatt low frequency inverter and its doing...

Hi I have purchased a new Zketech Ebc-A40L battery charger/tester and I am already having a issue with this charger. I have tried to contact the company (Zketech) through their email on there web site 3 or 4 different times about my problem and they have not responded back to me one time. They...

Hi I am thinking about purchasing the new watcmon core with the cell mate k9's for my batteries do any of you guys or gals have a discount code for the batrium BMS's this stuff is so expensive so I'm looking for all the help I can get. Thanks

Hi I am fixing to make a order on Alibaba for 32 prismatic lifepo4 cells I'm needing some input from some of you guys on the cells I am looking at purchasing I am looking at 32 of the New Eve 304 ah cells on Alibaba through Amy at Shenzhen Luyuan Technology Company and I am also looking at 32 of...

What would be the best option for my Chevy Volt battery power wall. I want to be able to monitor each cell of each battery but that is a lot of smart bms's that I will have to purchase like 26 of them. That's like 60.00 each times 26 = a little over 1500 bucks. I have 3 complete gen1...

Hi I'm just wanting to see if anyone is interested in about 600 laptop battery cells that I have removed cleaned and charged then capacity tested each cell and then recharged with my XTAR VC8 8 Bay Smart Li-ion Battery Charger. I have about 160 cells that tested between 2200 and 3000 mah, 170...

Like the title says where is the Best price and best place to purchase Lishen or Eve 3.2v 280hr Lifepo4 prismatic cells I can't seem to find any for 100 to 120 dollars per cell like I have been reading some of you have purchased them for.

Has anyone purchased any of the LiitoKala 3.2V 320Ah lifepo4 prismatic cells from Ali Express. There ad on ali express doesn't say if they are new or grade A or grade B or what, have any of you purchased any of these cells from them (LiitoKala) and if so did they test out to be what they were...

Hi I have purchased a JBD 15s 48v 100a smart bms with the blutooth module from battery hookup, and on there web site they say they do not offer any tech advise on there bms, I needed a 14s for my battery but they were sold out so I purchased the 15s, can any of you tell me how to wire this bms...

Hi everyone I have got a complete 2013 Chevy Volt hybrid battery that consist of 8 48v that has tested around 45 ah each, my problem is they are not gonna work very well with my 12kw Growatt offgrid inverter. The specs on the modules are 36v (3.0 per cell) low voltage and 49.8v (4.15 per cell)...

I'm needing so advice from you guys or gals on my power wall set up. I bought a set of the used LiFePo4 BYD 24v 5.63 kwh 220 ah battery modules from tech direct. I'm connecting them for a 48v system I have not capacity tested them yet. The specs on them are BYD module LiFePo4 cells Cell over...

Hi I have a brand new never been hooked up pair of Growatt 3kw offgrid inverters SPF-3000TL-LVN they are for 48v systems 120v each inverter to produce 240v split phase. I would like to get 1300.00 for the pair of inverters. If you are interested send me a message. I also have a new Growatt wifi...

Good evening guys and gals I have a question about a EV battery out of a 2017-2018 Hyundai IONIQ car, it says the Ioniq Electric has a 28 kWh lithium-polymer battery pack @ 360 volts. Have any of you DIY'ers had any experience with this battery out of one of these cars. I can buy one of these...

Good morning guys and gals I have a question this morning about a EV battery out of a 2017-2018 Hyundai IONIQ car, it says the Ioniq Electric has a 28 kWh lithium-polymer battery pack @ 360 volts. Have any of you DIY'ers had any experience with this battery out of one of these cars. I can buy...

Ok I am fixing to start installing my parts and pieces I have been collecting over the past 6 months for my off grid solar system for my shop. I have 24 Hyundai 260 watt solar panels (6.24 kw) specs are 260W, Voc 37.9v Isc 8.9a I will be installing them in a 3s-4p 12 panel setup x 2 separate...

Hey guys and gals I've been gathering parts and pieces for about 6 months now and I'm getting pretty close to start installing my solar panels and growatt inverters and BYD 48v batteries. I have finished building 1 of 3 of my ground mounts that will have 8 260 watt panels on them, 24 panels...

Hi I'm building a solar tracker for my panels and I'm needing some help finding a clamp to fit a First Solar Tracker Linear Actuator that I purchased off of ebay last week. It didn't come with the clamp that bolts around the tube. The tube of the actuator is 2 1/4" o.d. All I can find is clamps...

Hey guys I'm needing some more advice, I'm looking at buying a battery from tech direct they have a couple of plug and play 48v battery packs with the bms installed 1 is a 48v Nec lifep04 5 kw 120 ah 90 % cap and the other one is a plug and play 48v battery pack with the bms installed 48v Bmw...

Hi I've got a question about A used BYD LFP lithium battery pack, would a 24V 4 kwh 200 Ah Battery Pack be better to use than a 48v 4kwh 100ah battery pack, is the 48 volts more important than 200 ah. I've got a 6.24 kw solar array with 2 3000w growatt offgrid inverter/charge controllers they...

Hi are any of you guys educated on the enphase IQ7 micro inverter and the enphase IQ 3 combiner box with the envoy, I know it is for a grid tie system but I was wondering if there is any way to use it in a off grid system is there a way to make it work without connecting it to my grid. I know...

Hi thanks for adding me to the group I am in the process of working with my local power company to get my permits to install a 6.24 kw solar system at my home , I have already purchased my 24- 260 watt panels and I am wanting to purchase the Enphase IQ7 micro inverters and a Enphase IQ 3...