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Second Life Storage
News, Announcements, and Rules
Important updates or announcements regarding the forum
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Feedback & Suggestions
Any feedback, suggestions, or issues you may find can be reported here
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Frequently Asked Questions
Answers to common questions to help get started faster
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Solar, Wind, and Battery Systems
DIY Battery Project Builds
Share and document your powerwall build journey in a project thread
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- 10.2K
Battery Pack Design, Planning, and Building
Have questions about which holders or fuses to use? Solder or spot weld?
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- 9.5K
Battery Management Systems (BMS)
Anything relating to battery management, monitoring, and balancing
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- 628
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- 6.4K
Solar Panels, Charge Controllers, and Inverters
Discussions around your solar (or wind) system, including panels, charge controllers, inverters, and transfer switches
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General Project, Battery, and Electrical
Anything related to your project, batteries, or electrical topics that doesn't fit in any of the other sections. Also includes news releases.
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Battery Discussions
New Battery Technology
What is out there with new battery chemistries & configurations
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- 4
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- 19
Battery Chargers and Testers
Discuss specific cell chargers, capacity testers, and testing methods.
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- 237
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- 2.5K
Lithium Iron Phosphate Batteries
Discuss any aspect of Lithium Iron Phosphate batteries (LiFePO4/LFP)
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- 71
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- 555
Lithium Ion Batteries
Discuss any aspect of generalized "Lithium Ion" batteries (NMC, LiPo)
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- 496
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- 4.7K
Lithium Titanate Batteries
Discuss any aspect of Lithium Titanate batteries (LTO)
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- 5
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- 67
Lead Acid Batteries
Discuss any aspect of Lead Acid batteries (sealed, flooded, gel, etc)
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- 5
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- 52
Cell Data & Specifications
A large database of different cell types, their datasheets, and some photos. Please view the main database listing here
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- 245
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- 1.3K
Reviews Content Creators are welcome to create posts that directly benefit their channels
Solar Panels & Hardware
Share you favorite Solar Tracker, Mount or Panel reviews
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- 1
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- 4
Hydro & Wind Power
Wet or windy - what is new out there or something old that has stood the test of time.
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- 2
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- 4
Inverters & Solar charge controlers
Get the power in or out of your battery efficiently or something to steer clear of!
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- 2
- Messages
- 2
Batteries, Mounts & Enclosures
Share your review of the one you found interesting or informative
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- 6
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- 6
Off Topic
General Hangout
Off topic discussions that are not related to solar and wind projects and/or do not fit in any of the categories above.
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- 344
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Electric Bikes & Cars
Do you have an E-Bike or E-Car project you'd like to share?
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- 1.1K
Marketplace - Selling/Commercial
Items for sale, including inverters, batteries, solar panels, and more! Commercial businesses are welcome to post as well.
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- 607
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- 3K
Marketplace - Buying/Wanted
Looking to buy and wanted advertisements
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- 47
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- 173
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CATL 310AH grade A lifepo4 battery