Coolnut UPS units offer various features such as : Surge protection -Surge protection helps to protect connected equipment from power surges or spikes, while voltage regulation ensures that the output voltage remains stable even when the input voltage fluctuates. Voltage regulation -Voltage regulation in a UPS ensures that the output voltage is maintained within a narrow range of values, typically +/- 5%, even when the input voltage fluctuates. This helps to protect connected equipment from voltage spikes or drops that can cause damage or data loss. Automatic shutdown - Automatic shutdown is a feature that allows the UPS to safely shut down connected equipment in the event of an extended power outage, preventing data loss or damage to the equipment. ¤ COOLNUT© UPS COMES WITH : 1. Integrated design, Handiness, portable. 2. Environmental protection and energy saving. 3. The LCD intelligent display can indicate battery capacity, charging or not, the ERROR status 4. Intelligent control. When short circuit, overload, fully charged or over-discharged occurs, the machine will automatically cut off and start protection function. 5. Multiple charging ways. You can use the solar panel or external connecting AC 100V~260V voltage to charge.you can connect various of voltage of the small power home appliances or electronic products, such as energy-saving lamp, fan, laptop, MP3, MP4, IPAD, cell phone, digital camera,TV,FAN, and so on.