Nest Cam Battery Solar Panel by Wasserstein. Made of high-efficiency solar cells, the Wasserstein Solar Panel can quickly charge your Nest Cam with just a few hours of sunlight. No need to take down the camera to charge the batteries as the solar panel keeps your camera powered. The box includes the toolkit, and a 13ft (4m) cable and easy-to-follow instructions for a trouble-free installation. The unique 360-degree rotatable mount allows you to adjust the solar panel for maximum sunlight exposure. Designed and manufactured by Google’s leading accessory partner, the Wasserstein Solar Panel has passed the Made for Google certification to ensure 100% compatibility with Google Nest Devices.