Recombu1mon
10 Best 18650 Battery Chargers
Compatible for Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123), 14500 Ni-MH/Ni-Cd A AA AAA batteries and 3.7V lithium battery and so on; Snado Intelligent Charger - We guarantee the ...
Hackaday3y
18650 Brings ESP8266 WiFi Repeater Along For The Ride
like in this clever mash-up by [bethiboothi] that takes advantage of the fact that the popular TP4056 lithium-ion battery charger module happens to be almost the exact same size of the ESP-01.
Hackaday3y
Handy Tool Drains 18650 Cells So You Don’t Have To
At a glance we can see the major components you’d expect in a discharger: a fairly simple PCB, four ceramic power resistors, a holder for a single 18650 ... device a battery charger, [Jasper ...
Interesting Engineering on MSN4mon
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 ...