Solar street lamps will be not bright or light every day can only on 2 - 3 hours, may be some grass-roots construction personnel do not understand the relevant knowledge of solar street lamps, free installation, lead to solar panels can't charge or charges are very few, and the solar street light can't bright lights or a short time. In fact, as long as the solar street lamps installed correctly, completely is to avoid the similar problem. Solar road lights installed place too many obstructions, led to the decrease of the efficiency of solar panels charge. Such as leaves, buildings and other obstructions blocking light, affect the absorption and utilization of light energy. Solar panel mounted on a wire, the branches, the bottom of the light pole or other obstructions caused a shadow on the solar panels during the day. For outdoor solar street lamps of batteries are generally more string, if solar panels a string appeared on the battery piece of shadow, shadow and more deep, serious, this is equivalent to break on a string, and the solar panel if it is much string of 1 and that the solar panels will not generate electricity. Also some installation personnel to install solar street light and beautiful, may install the solar panel opposite tilting symmetric, but if one side toward is correct, then the other side must be wrong. The wrong side, because there is no way to direct light to the solar panel, charging efficiency will decrease. Want to learn more industry information or ask price, can call advisory