... 5V.2600MAH MAX 3.CE, ROHS, FCC lithium battery usb charger power bank PATENT Part NO.XZ-HY6600 Brand nameXuzhongBattery Capacity6600MAH (Lithium Battery ... . 8) Small size, light weight and portable 6) Auto power off, make better use of battery energy. 7) Suitable to ... 4 When recharge the built-in battery of the charger with solar energy, solar panels should be placed upward in direct sunlight ,to ...