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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Battery Pack Design, Planning, and Building
Have questions about which holders or fuses to use? Solder or spot weld?
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Battery Management Systems (BMS)
Anything relating to battery management, monitoring, and balancing
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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
Battery Chargers and Testers
Discuss specific cell chargers, capacity testers, and testing methods.
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Lithium Iron Phosphate Batteries
Discuss any aspect of Lithium Iron Phosphate batteries (LiFePO4/LFP)
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Lithium Ion Batteries
Discuss any aspect of generalized "Lithium Ion" batteries (NMC, LiPo)
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Lithium Titanate Batteries
Discuss any aspect of Lithium Titanate batteries (LTO)
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Lead Acid Batteries
Discuss any aspect of Lead Acid batteries (sealed, flooded, gel, etc)
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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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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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Electric Bikes & Cars
Do you have an E-Bike or E-Car project you'd like to share?
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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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Marketplace - Buying/Wanted
Looking to buy and wanted advertisements
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Staff online
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KorishanModerator
Latest profile posts
Gao95800 wrote on urbansustainability's profile.
Hi, are u still looking Samsung 15q battery cells? I have many of them( old new stock), they are very good quality which I already use them build a power station( 12v 100a) easy output more than 1500w. Gao95800@hotmail.com
Got a whole ton of 18650's sitting around, many rewrapped, got a couple UR18650As and ICR18650-22Es along with a couple LGES318650, going for around ~£2 per cell, let me know if yall wanna buy any, UK only cause shipping is dumb