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 and Safety Check
Embarrassed to ask a question in the other boards? New to solar? Need a final check of your system before you turn it on? Post it here!
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Newcomers
Introduce yourself here! And welcome new members
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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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News and Promotional The only section where businesses are allowed to advertise. Use at your own risk.
Online Deals
Found a cheap price on some batteries? Share it here!
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Vendor Review Corner
Want to share your experience? Post it here
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Solar Installer Finder
Run a solar business and install systems? Share it here!
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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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Sizing, Planning, Codes and Regulations
Energy Audits, Roof Planning, NEC, Local Ordinances, TOU Plans and more!
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Marine
Building a system that can withstand a marine environment is difficult! Talk about it here
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Tiny Home Systems
Power your tiny abode with solar power! Cabin, Shed, Shipping Containers and more!
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Solar Water Pumps
Need to move water with some sunshine? Talk about it here!
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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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DIY LiFePO4 Battery Banks
Advanced user discussion on BMS/ Cell Configurations/ Temperature Regulation/ Cell Sources and more
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Beginner Friendly "Plug-n-Play" Lithium Batteries
Battleborn, Ruixu, Simpliphi, Kilovault, Trillium, Renogy and more!
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Lead Acid Batteries
Good ol' fashion lead acid!
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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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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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Solar Equipment Reviews and Technical Support Trying to program an inverter? Need to post your thoughts on a solar panel? Post it here :)
Solar Panel Mounting
Tips and tricks for mounting solar panels to different roof materials and environments
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Solar Charge Controllers
MPPT/PWM/Converters without batteries and anything else you find! Discuss it here :)
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Over Current Protection Devices
Circuit Breakers, Fuses and more!
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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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Fuel Back-up Generators
Backup petroleum energy storage for off-grid solar systems
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Heat Pumps
Need to use solar power to cool or heat your cabin or home? Or a bus or boat? Post it here!
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Tool and Test Equipment Show and Tell
Scopes, Meters, Capacity Testers and More!
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Home Brew Solar Electronics
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Software
Microcontrollers, Microcomputers, Cloud software, Embedded
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DIY Solar Marketplace: Sell your own stuff! Use at your own risk. Our forum assumes no responsibility for products purchased in this area. This section is for individuals only! No vendors allowed!
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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Equipment Wanted
Need something specific and don't mind if it is used? Post what you need here to see if another member has it!
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Off-topic Discussion
Chit Chat Zone (Non-Solar Discussion)
Post your opinions or thoughts about the world or anything else you wish. Be civil!
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Humor section. Share your best electrical memes!
Everyone loves a good meme!
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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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EG4 Firmware Updates – March 11, 2025- Latest: SomethingAppropriate
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Latest resources
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EG4 PowerPro WallMount OutDoor Modbus data collection in PythonEG4 PowerPro polling, Raspberry Pi 4, WaveShare USB/Modbus, Python
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FEB (FST) Cell DatasheetsFEB small cylindrical cell datasheets. (FEB was formerly known as FST)- zcskywire2
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