DIY Solar Power Forum

General Discussion Let's talk about solar!

Show and Tell

Post your DIY solar power system! Pictures or it didn't happen :)
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Beginners Corner

Embarrassed to ask a question in the other boards? New to solar? This is your spot :)
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Up in smoke... learn from my mistake!

Did your experimental battery or home built inverter experience a rapid, unplanned disassembly? Reverse polarity a $3K inverter, and see it go up in smoke? Share it here!
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Newcomers

Introduce yourself here! And welcome new members
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Frequently Asked Questions

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Solar Systems

Vehicle Mounted Systems

RV's, Vans, Trucks and More! Typically 12v, and 100-1000w, but the limits are endless!
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Cabin or Tiny Home

Power your tiny abode with solar power!
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Shed or Shipping Container Mounted Systems

Building an Off-grid System in your Backyard? Stick it in a shed! Or a shipping container if you have the space. Affordable and Easy
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Marine

Building a system that can withstand a marine environment is difficult! Talk about it here
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Harsh Environment

Extreme Temperatures? Advanced Autonomy Systems? Talk about it here!
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Off-grid Living Advice

Cooking tools, heating and cooling, dealing with winter sunshine and more!
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Residential Solar

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Solar Water Pumps

Need to move water with some sunshine? Talk about it here!
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Solar Water Heating

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Energy Storage Are you a battery addict? Same here. You can NEVER have too many batteries!

General Battery Discussion

Anything and everything batteries!
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Lead Acid Batteries

Good ol' fashion lead acid!
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Beginner Friendly "Plug-n-Play" Lithium Batteries

Battleborn, Ruixu, Simpliphi, Kilovault, Trillium, Renogy and more!
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  • eXodus

DIY LiFePO4 Battery Banks

Advanced user discussion on BMS/ Cell Configurations/ Temperature Regulation/ Cell Sources and more
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BMS (Battery Managment Systems)

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Second Life Lithium Batteries

Found a Lithium Battery in a Tesla/Nissan Leaf or Electric Bus and want to use it for solar? Post about it here.
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DIY Powerwalls

Grid-tie battery systems for energy independence
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Uncommon Batteries: LTO/ NCA/ NMC/ Li-Poly

Not recommended for solar, but still an option. See what others are doing and post questions here
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Back-up Generators

Backup petroleum energy storage for off-grid solar systems
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Everything Else Storage

Using an EV car for Storage? Tell us about it!
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Solar Equipment Reviews and Technical Support Trying to program an inverter? Need to post your thoughts on a solar panel? Post it here :)

Solar Panels

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  • Roqm

Solar Charge Controllers

MPPT/PWM/Converters without batteries and anything else you find! Discuss it here :)
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Off-grid Inverters

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Grid-tie Inverters

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All-in-One Systems

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Solar Generator and Micro Systems

A battery/inverter/charge controller setup for mobile or stationary application. They are usually ready built or "plug-n-play".
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Wire/Connectors/Junction Boxes

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Home Brew Solar Electronics

PCBs, Prototyping, Casing

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Software

Microcontrollers, Microcomputers, Cloud software, Embedded
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Hacking and Repurposing Solar Devices

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Tool Section High quality solar installation tools will make your life 1000x easier! Discuss your favorite tools here

Bench Top Tools and Testing Equipment

Scopes, Meters, Capacity Testers and More!
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Hand Tools

Wire strippers, cable cutters, crimpers and more
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Power Tools and Soldering Irons

Large Power Strippers, Impact guns, Soldering Irons and more
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Favorite Tool Show and Tell

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Learning and Help Center

Safety Check Section

Post pictures of your DIY system, and have other people check for safety issues
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Sizing and Planning

Energy Audits, Roof Planning, TOU Plans and more!
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Troubleshooting Help

Dealing with a frustrating problem with your system? Post it here!
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Solar Array Mounting Methods and Advice

Tips and tricks for mounting solar panels to different roof materials and environments
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Codes and Regulations

Need help following local laws when installing your system? Not sure if what you are doing will land you in jail or with a hefty fine?
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Electrical Safety Gear

Did a pair of safety glasses save your vision? Did soldering smoke hurt your lungs and you found a product to fix it? Post it here!
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Complaint Corner

Dislike something about this forum? Want to add a discussion topic? Talk about it here and it will get fixed!
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DIY Solar Marketplace: Sell your own stuff!

Solar Panels for Sale

Have some spare panels laying around? Sell them here!
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Batteries for Sale

Not using an old set of batteries? Sell them here!
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Inverters and All-in-One Units For Sale

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  • DDabs

Group Buy Club

Buying multiple units of a single solar product is MUCH cheaper. Post it here and do a group buy with other members of this group.
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Online Deals to Share with Others

Found a cheap price on some batteries? Share it here!
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Other Renewable Energy Sources

Hydroelectric

Have a small stream in your backyard and wish to create free power from it? Check out what others have done here!
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Wind Turbines

Discuss and build wind turbine systems! Check out what other people have built and share your own
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Corporate Corner Blatant advertising is not allowed on this forum, but we have created a special place for businesses to post whatever they wish. If a member wishes to browse this area, that will be up to them.

Corporate Corner General Discussion

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Corporate Deals Section

Running a special price on some of your products? Share about it here
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New Product Announcements

Does your business have a new product being released? Post it here
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Off-topic Discussion

Chit Chat

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Humor

Everyone loves a good meme!
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Other Websites

Found an awesome resource for solar? Or something unrelated but still amazing? Post it here
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Latest resources

Latest profile posts

gjonesy84 wrote on pjones's profile.
Good Afternoon,

I can see you managed to write to the ant bms is this topic.


I want to be able to write to my ant bms to start balancing.

How did you do it?

Cheers

Gareth
I bought 2units - 100ah, 48V LiFePO4 power wall with CAN BUS protocol connected in parallel, after 8 months of usage, 1 unit just turn off, after troubleshooting, it was the BMS fail, since it is under warnty, the Supplier shipped NEW BMS after i replaced, Voltage reading is at 53.87V but the SOC% is 50%,my question is can i still parallel this to the other battery with same voltage, 53.85V but SOC100%???
First Solar Install Noob. Currently leaning toward four SOK 206AH batteries wired into a 2S2P 24V array, an MPP 2424 all-in-one box and four 200W solar panels up top, also configured as two in-series pairs wired parallel to feed 80V to the MPP's internal charge controller.
James Staples V wrote on JoeHam's profile.
ha !! saw "Sorcerer" that got my trust ! Really hoping you can help me figure out the easiest stuff. I think I largely ask the same questions but only get gobbledigook . Thanks
ativ01 wrote on Will Prowse's profile.
Will, I just came across the Bluetti AC200 as I have been waiting to maybe get a Jackery 2000. The Bluetti looks impressive. Have you ever compared these units? Bluetti looks like it has way more flexibility and options. Any input or direction would be appreciated.

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