Creating my single biggest D.I.Y. battery with 2800 18650 cells recovered from used laptop batteries - YouTube
3.7V Polymer Lithium Battery 10000mAh 8870130 DIY Large Capacity Mobile Power Core _ - AliExpress Mobile
Recycled Lithium-Ion Batteries Can Perform Better Than New Ones - Scientific American
Amazon.com: JITA 12V 200Ah Plus LiFePO4 Battery Built-in 200A BMS, RV Deep Cycle Rechargeable Lithium Battery, Large Capacity, Waterproof, 10 Years Lifetime, for Home Power Storage, Solar System, RV, Golf Cart :
A better way to recycle lithium batteries is coming soon from this Princeton startup
The DIY lithium battery bank; Bob Ebaugh has 330 cycles so far - Panbo
Build Your Own 12-Volt LiFePO4 Battery For Cheaper Than AGM - YouTube