Preparing for Irene

Hurricane Irene is coming! Here in the NYC area, the crazy rush for last minute supplies has depleted stores of “D” and “C” cell batteries commonly used in portable radios and flashlights. In...

Circuit Box Video Tour

Here's a quick video tour of our Switchable Circuit Boxes. It starts out a bit out of focus, but settles in after a few seconds. We use the circuit boxes inside our products. They also allow DIYers to combine...

Charger for Nook Color

At CES earlier this year, we tested all of our batteries against the Nook Color and none of them seem to charge it...well it seems like we stumbled on a solution. (btw: We tested hundreds of devices that...

Adafruit Releases DIY Solar Charger

If you've always thought, "I can build that!", now you can. The whip-smart crew at Adafruit has built an open hardware solar charger kit that has been thoroughly vetted. We're pretty excited that this is...

Thoughts on the Spark Design

We're launched the Spark, our iPad solar charger, last week (it also charges several other tablets, smartphones and digital cameras). This is our first tablet-specific product and we look forward to everyone's...

Ask Voltaic: Can I Charge my Petzl Headlamp

Q: I'm going on a 14-day hiking trip and want to make sure my Petzl Headlamp stays charged. Will the Fuse solar charger work? A: Yes, although how depends on which model headlamp you own. Petzl's Tikka 2...

Solar Power on the Streets

John Seefeldt is designing and implementing public installations that run on renewable resources. His first project has three of our small solar panels embedded in the roof of a street vendor's cart in...

Voltaic on Mt. Foraker in Alaska

Here are a few glamor shots of our Voltaic Backpack (previous version) at the base camp and peak of 17,000 foot Mt. Foraker. It was used to charge cameras and a range of other...

Solar Camera Charger Update

Update: View the latest on how to charge cameras from solar and any USB power supply here.   In a previous post, we showed you how to charge your camera battery by connecting the battery to a camera...