Extra-large capacity lithium-phosphate battery. Powers your telescope for up to 17 hours. Features 2 USB ports for charging other devices and a 12V car battery port. LED light panel for up to 25 hours of white or red LED illumination.
Perfect for astronomy, camping, emergency kits - anywhere you need a portable power supply. Meets current FAA regulations for carry-on luggage. Charging time: approx. 6h The Powertank Lithium has a built-in safety circuit that automatically shuts off the battery after approx. one hour if the battery does not detect a current draw of at least 250mA.