... SQUARE METER ACCESSORIES: 1PC USB CABLE Product features: 1,No batteries, charge in the sunshine, even without sunshine point-blank, ... features:1, ABS shell2, 6 a high brightness LED3, Rechargeable lithium batteries4, Normal operation, the lithium battery charging can be ... panels; Use the solar energy to the charger built-in rechargeable battery, please put solar panels on the direct sunshine ...