
The Twin Socket Battery Charger will rapidly recharge your AA batteries using the cigarette lighter adapter. There is even a map reading LED light built into the charger itself and the power socket pivots so you can always find the best angle. Priced at around $12.49, each purchase also comes with two rechargeable batteries. [Product Page]

The FreeLoader Pro is the ultimate solar charger capable of powering virtually every electrical device, anywhere in the world. It is basically a pair of flip-out solar cells with a rechargeable battery all in one simple unit. Once fully charged, the Freeloader Pro is capable of delivering enough power to give a mobile phone 70 hours of standby time, 5000 page turns on an eBook, or a 100% full charge for a digital camera battery. This solar charger is the perfect companion for adventure travelers, journalists, or explorers. [RedFerret]

If you have several gadgets including an iPhone, an iPod Touch, a Sony Walkman, and a Nokia smartphone, then you might need a battery charger that can charge multiple gadgets at once. The Messless Charger is able to do this task. Designed by Italdesign Giugiaro, the charger allows you to charge up to four devices at once, which means you don’t need wires for each gadget. It comes with numerous adapters including iPod/iPhone, Nokia handset ports, Sony Ericsson and mini USB. You can buy the Messless Charger in the UK for around $113. [SlashGear]

Unlike most battery chargers, the La Crosse battery charger is rather special. It comes with an LCD display to provide an individual readout for each of the four compartments: charging current (in mA), time elapsed (in hh:mm), terminal voltage (in V) and accumulated capacities (in mAh or Ah). It also includes four different modes: charge, discharge, refresh and test mode. All yours for just $39.99. [Product Page]

Here is a spanking new eco-friendly gadget concept in the form of the Solar Prometeo. The device comes equipped with the Photovoltaic cells on the top of it that collects the solar energy and store it for later use to power up your exhausted gadgets via USB ports. There is an indicator lamp that will alert you when the device lost all its energy and needs to juice up under bright sunlight. The cool factor of the Solar Prometeo is that it is a wearable gadget so you can wear this gadget on your neck or arm to collect the solar energy. The Solar Prometeo is also shock and water resistant. [DesignLaunches]

Peter Thuvander seems to like yo-yos so much that he designed the iYo induction battery charger. It’s an actual yo-yo with a tiny lithium ion battery that charges when the yo-yo rotates and can be used to juice up exhausted gadgets. The iYo charger is perfect for the iPhone and iPod. Eco-friendly gadget lovers such as yourself would certainly like this iYo battery charger concept. [TreeHugger via iPod and MP3 Players]