Interesting Engineering on MSN3 个月
World’s first 18650 Potassium-ion battery debuts, can replace lithium cells
In a noteworthy advancement, Group1 has launched the world’s first Potassium-ion battery that has been designed within the ...
Hackaday8 年
Prototype Sodium Ion Batteries In 18650 Cells
French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than usual LASER ...
Restoration on MSN1 天
Creating a Powerful DIY Super Capacitor Spot Welder for Batteries
"Learn the entire process of creating a powerful DIY super capacitor spot welder for 18650 batteries. The guide covers ...
Hackaday3 年
Handy Tool Drains 18650 Cells So You Don’t Have To
Draining a battery is easy. Just put a load across the ... a holder for a single 18650 cell, and a rocker switch to connect it all together. But wait, what’s that a TP4056 charging module ...