Regulated smart constant current charger for 9V NiMH rechargeable batteries.
Run your Pi remotely with a 18650 Lithium Ion battery.
Don’t let phone batteries fizzle out, put power back in your hands!
This is the 4th prototype iteration, the simplest hardware electronics of them all, for an ultra low power home using solar.
A battery pack on Printed circuit board.
A 3V to 20V portable rechargeable power supply from off-the-shelf components. Powered by a single 18650 battery.
Step-by-Step guide on how Lithium Battery charger circuit works and full assitance for DIY protect charger through USB port.
Charge USB devices from a solar panel-powered battery for any size solar panel.
Measure the juice left in your AA or AAA batteries anytime using an Arduino Uno and a couple of jumpers.
This tutorial shows you How to make a Simple Charger for charging 18650 Lithium ion battery. We don't use any Complex circuit here.
In this Tutorial we are going to make a Battery Level Indicator using OLED Display.
A non microcontroller project, A battery charger and overvoltage protector. Can be used as universal battery charger for lithium/ lead acid.
This power bank allows you to charge your mobile phones anywhere at any time when you do not have access to the ordinary charger.
This is used to charge any portable device having a 3.7V, 500mA Lithium-ion battery. It uses a power supply of 5V DC through any USB supply.
Build a universal wireless charger for any tablet or device that charges via USB.
DIY lithium-ion 18650 cells charger with a voltage and current tester
In this project, you build a Drone Charging Station Prototype which can deliver electricity to drones or other autonomous machines.
Fast battery charging
Got a buck? Make a charger for LiR2032 coin cells. It could hardly be cheaper or easier.
Measure the amount of energy or power or voltage left on your battery with couple of jumper wires and Arduino Uno.
I'll show you how to design and build a sophisticated solar battery charger from the ground up.
A battery charger circuit for charging any kind of 12v battery
Solar Power to low consumption devices (5V or 3,3V, uninterruptible)
Inspired by vintage robot tortoises, Alvik now finds its dock & recharges autonomously when battery is low