Jana 🖖🏼 on Twitter (Twitter)

“The good ones go into the pot, the bad ones go into your crop.
High power 13s (48V) discharge test with around 2A. First results: Sony cells really do suck (literally). BAK 18650C4 outperform all other cells. All cells are from salvage Laptop batteries. #DIYPowerwall https://t.co/UoY1Vsxggn”