YX8018 1.25V SOLAR LED DRIVER.
HIGH EFFICIENCY ~90%.
THE USUAL DRIVER FOUND IN SOLAR LIGHTS.
CHEAP, EASY REPAIR.
BIG DISCOUNTS FOR MULTIBUY.
ADDITIONAL PHOTOS SHOW BLOCK DIAGRAM AND SIMPLE SOLAR LIGHT CIRCUIT.

Notice: The product may be not exactly the  same as the one on the picture,but the main model is the same. Thanks