This instructable will show you everything you need to put together a pretty good sized electric solar panel system. Things you will need.
Lithium batteries seem to be everywhere these days. We can find them in our cellphones, laptops, portable media players and etc. We all want to make our batteries last as long as possible, but some well intentioned advice from friends, could be harming your Lithium battery life span.
This is a bench power supply with regulated DC outputs -12V, -15V, +5V, +12V, +15V, and variable and one +35VDC unregulated output.
This project details a small and simple, but very powerful USB charger for your mp3 player, camera, cell phone, and just about any other gadget you can plug into a USB port to charge!
In order to turn pennies into batteries, another electrode and an electrolyte are needed. In this case, dimes (zinc) are used as the positive electrodes and salt water is used an electrolyte.
By converting the cheap (free) ATX power supplies that can be found in any discarded computer, you can get a phenomenal lab power supply with huge current outputs, short circuit protection, and very tight voltage regulation.
This is a charger for lithium ion batteries which takes its power from the USB port of a computer. It uses the MCP73861 or MCP73863 Li-ion battery charger chip manufactured by Microchip.
Here is an iPod solar charger that weighs approx 2 and half oz and provides 150mA current at 5 volt dc. Enough power source to charge your device on the go.
The iPod Suffle is a really cool piece of hardware. One of the drawbacks, however, is that it has an internal battery that is recharged via USB power when it is plugged into your computer.
Pretty much all of the recently released "handheld" electronics these days whether it be an MP3 Player, Digital Camera, or Personal Game machine can be charged via USB. Here is how you can make your own iPod charger an AC charger and battery eliminator for an iPod or iPod Mini.