Logitech Solar App. The power is in your hands.

This simple software utility tells you everything you need to know to keep your keyboard charged and ready—from low-power warnings to tips on how to boost your reserves to how much power your lights are actually providing.

Track your power

And don’t worry—you’ll get plenty of warning when your reserve is getting low so you’ll have time for a little light intervention. 

Solar charging 101

Need help figuring out how to keep your keyboard’s energy reserve healthy? Just click the link in the status message to learn simple things you can do to improve your current power situation.
 

Whether you’re getting the full power of a high-watt desk lamp or just the faint light of the moon, the lux meter will let you know how much power your light source is providing at any time. Combine this with the lux suggestions for your current status and you’ll have all the info you need to keep typing to your heart’s content.