While only a few hundred people have gotten their hands on Google Glass, the gadget is already known to suffer from a short battery life. But one third-party accessory aims to solve this problem by providing a longer charge.

Called PWRGlass, the lithium-ion-powered, rechargeable attachment hooks onto the back of Glass. While it's not the hippest-looking accessory around — resembling a weird spinoff of Croakies — the device claims to triple Glass' battery life. What's more, it can be recharged via a USB charger.

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Developer Kevin Tussy told Mashable that he thinks PWRGlass' functionality will win out over its so-so looks, "especially when you're in a situation where you need to film for long periods of time."

PWRGlass will be available for pre-order when the designs are finalized, after which it will be offered in different colors.

What do you think of PWRGlass? Share your thoughts in the comments.

Image: PWRGlass