Rated Capacity More than 1200mAh.Long-life battery could be cycling used more than 500 times. Use LED bulbs of energy saving high efficiency and long life. With the High-Low controlling option. Charging On/Off Tuner Switch. Light up the desk with this unique light. Multiusage Store energy and lighting. Charging Time 5Hours On High Lasts up to 3 hours on Low Lasts up to 6 Hours Both high light and dim light for choices.