Orion 02308 Dynamo Pro 17Ah Rechargeable 12V DC Power Station (Gray) A portable 17 amp-hour, 12V DC power supply to keep your powered gear running during long observing sessions Field battery features two 12V cigarette lighter output ports (10 amps max.) to keep all your astronomy equipment powered in remote stargazing sites Two built-in 5V USB outputs conveniently provide power to USB devices Fully rechargeable power supply includes 110V AC and 12V DC charging adapters, removable red magnetic flashlight, brilliant white LED spotlight, AM/FM radio, and more! Three interchangeable power plug tips are included for international use