“The Clip on and Tag Alongside Solar Battery with USB port for your Smartphone.. It lets you to cost your telephone or any devices swiftly as it works on inbuilt Li-Polymer battery equivalent to the batteries discovered in mobile telephones. It frequently stores sunlight to the inbuilt battery when uncovered to daylight. It then retains this saved power prepared to charge your telephone or gadgets. his cycle continues each individual time it is exposed to daylight.