1Intelligent stabilized voltage control, safe to use. 2Steady voltage output, consistent with household power supply current. 3Solar power panel, waterproof material, no built-in lithium battery, eco-friendly, safety. 4Not easy to break, place in sun exposure, no damage. 5Not support the function of storing electricity. It can charge the equipment directly under the sunlight. Different illuminance, charging time and current are different. 6It can be used with power bank, better effect.