Recently I bought a few portable power supply devices to run my little microcontroller projects. There are countless variants of portable power supply devices that can be used to power up most ...

Streamlight's 18650 Battery Bank Charger was designed to help first responders, industrial technicians and other users maintain and charge up to eight Streamlight® 18650 USB rechargeable lithium ion ...

I designed a compact, standalone Li-ion battery charger that is simple to build, extremely affordable, and easy to integrate directly into projects.

Applications with high-voltage, high-capacity requirements are adopting lithium-ion (Li-ion) technology because of its high energy density, small size, and low weight. Using Li-ion for portable ...

Batteries were once heavy, awkward things, delivering only a limp amount of current for their size and weight. Thankfully, over time, technology has improved, and in 2020, we’re blessed with capable, ...