Inside some cheap lithium cell chargers. With schematic.

Charging NiMH cells - smart vs dumb chargers

Weird USB battery charger circuit.

Smart 18650 Li-ion Charger circuit with battery full led indicator / With BC547

Olight "SPECIAL" cells - some facts

Simple NiMH battery charger (with PCB files)

How to use a multimeter like a pro! The Ultimate guide

Math Videos: How To Learn Basic Arithmetic Fast - Online Tutorial Lessons

How To Build Your Own 18650 Li-Ion Cell Charger

Inside a Olight magnetic battery charger.

Are over-discharged lithium cells safe? (And how to test for damage.)

Quest for the shittiest battery charger continues. (schematic)

LED torch with a DANGEROUS charger

How to Replace a Hybrid Battery in a Prius (Upgraded Battery)

Smart 18650 Li-ion Charger Circuit With Battery Ffull Led indicator

Inside a common eBay lithium cell charger - with schematic

What's inside Eneloop and LIDL NiMh cells (fire, apparently)

3500mAh batteries: Sanyo NCR18650GA vs Panasonic NCR18650GA vs LG MJ1 vs Samsung INR18650-35E

Clever but Dangerous 18650 Li-Ion Cell Charger (for $1)

How Batteries Work - Battery electricity working principle

An Intro to Flashlight Batteries 🔋