New & used Batteries, Solar, accessories, LifePo4 cells & more 5% Coupon "Powerwalls" www.batteryhookup.com
Second Life Storage
News, Announcements, and Rules
Important updates or announcements regarding the forum
- Threads
- 26
- Messages
- 286
Introductions
Head over and introduce yourself
- Threads
- 1.1K
- Messages
- 4.9K
Feedback & Suggestions
Any feedback, suggestions, or issues you may find can be reported here
- Threads
- 137
- Messages
- 959
Frequently Asked Questions
Answers to common questions to help get started faster
- Threads
- 20
- Messages
- 25
Solar, Wind, and Battery Systems
DIY Battery Project Builds
Share and document your powerwall build journey in a project thread
- Threads
- 657
- Messages
- 12.9K
Battery Pack Design, Planning, and Building
Have questions about which holders or fuses to use? Solder or spot weld?
- Threads
- 1.2K
- Messages
- 11K
Battery Management Systems (BMS)
Anything relating to battery management, monitoring, and balancing
- Threads
- 772
- Messages
- 7.9K
Solar Panels, Charge Controllers, and Inverters
Discussions around your solar (or wind) system, including panels, charge controllers, inverters, and transfer switches
- Threads
- 1K
- Messages
- 10.7K
Hydro & Wind energy
Anything windy or wet related to storage, dump loads, or consuming energy from these technologies
- Threads
- 6
- Messages
- 62
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.
- Threads
- 1.7K
- Messages
- 16.9K
Battery Discussions
Battery Chargers, Testers, and Test Procedures
Discuss specific cell chargers, capacity testers, and testing methods.
- Threads
- 315
- Messages
- 3.5K
Lithium Iron Phosphate Batteries
Discuss any aspect of Lithium Iron Phosphate batteries (LiFePO4/LFP)
- Threads
- 118
- Messages
- 969
Lithium Ion Batteries
Discuss any aspect of generalized "Lithium Ion" batteries (NMC, LiPo)
- Threads
- 623
- Messages
- 5.6K
Lithium Titanate Batteries
Discuss any aspect of Lithium Titanate batteries (LTO)
- Threads
- 6
- Messages
- 72
Lead Acid Batteries
Discuss any aspect of Lead Acid batteries (sealed, flooded, gel, etc)
- Threads
- 9
- Messages
- 118
New Battery Technology
What is out there with new battery chemistries & configurations
- Threads
- 7
- Messages
- 61
NiMH/NiCd Batteries
Discuss any aspect of generalized NiMH/NiCd batteries
- Threads
- 2
- Messages
- 41
Sodium-Ion Batteries
Discuss any aspect of generalized "Sodium Ion" batteries (SIB, NIB)
- Threads
- 3
- Messages
- 15
Cell Data & Specifications
A large database of different cell types, their datasheets, and some photos. Please view the main database listing here
- Threads
- 245
- Messages
- 1.7K
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
- Threads
- 7
- Messages
- 79
Hydro & Wind Power
Wet or windy - what is new out there or something old that has stood the test of time.
- Threads
- 3
- Messages
- 11
Inverters & Solar charge controlers
Get the power in or out of your battery efficiently or something to steer clear of!
- Threads
- 4
- Messages
- 35
Batteries, Mounts & Enclosures
Share your review of the one you found interesting or informative
- Threads
- 10
- Messages
- 20
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.
- Threads
- 398
- Messages
- 3.6K
Electric Bikes & Cars
Do you have an E-Bike or E-Car project you'd like to share?
- Threads
- 115
- Messages
- 1.2K
Marketplace - Selling/Commercial
Items for sale, including inverters, batteries, solar panels, and more! Commercial businesses are welcome to post as well.
- Threads
- 729
- Messages
- 3.5K
Marketplace - Buying/Wanted
Looking to buy and wanted advertisements
- Threads
- 78
- Messages
- 262
Forum statistics
Help Us Grow!
CATL 310AH grade A lifepo4 battery