File this one under Handy Devices That Are Both Environmentally Friendly and Practical; or just under eco-friendly gadgets. Whatever floats your boat.

Anyway, I recently came across Brando’s Multi-function Digital Mobile Solar Charger. It’s a handy little eco-friendly gadget that uses a small solar panel to charge a lithium battery pack which in turn charges your laptop, cell phone, PDA, digital camera, MP3 player, PSP or whatever.

Besides it being a great example of eco-friendly technology, I like it for my other two usual reasons. It’s perfect for either a camping trip or a zombie apocalypse. In either setting as long as you have sun, you have juice for your electronics.

Because when everything goes to hell and the zombies are eating faces, I damn well don’t want to be stuck without my PSP.

If you’re lost in the woods and your flashlight batteries run dry - as Keanu Reeves would say - “What do you do? What do you do?” Well, you can start by taking a piss. Seriously.

Yes, the NoPoPo (non-pollution power) Aqua Battery will run off water - and pretty much any liquid for that matter, including urine. The NoPoPo works simply by inserting liquid into the base with a teat pipette. The batteries will also run on beer, saliva, apple juice or coco-cola. Unlike standard batteries, the NoPoPo doesn’t contain harmful substances, such as mercury, hexavalent chrome, lead or cadmium, so you can dispose of them without thinking twice.

These rechargeable batteries come in AA and AAA and are charged by a mixture of magnesium and carbon that reacts with the liquid you choose to inject, which in turn produces up to 500 mAh of life.