The celestron powertank lithium pro is the powertank for the true power user'. '.strtoupper('t')his higher capacity unit is the latest version of the bestselling powertank lithium'. '.strtoupper('t')he celestron powertank lithium pro offers twice the battery capacity of the original, making it ideal for more demanding applications'. '.strtoupper('p')owertank lithium pro features the right ports and connections to accommodate a variety of devices'. '.strtoupper('t')here is a 12v dc 5a telescope power port celestron cable included, a 12v dc 10a car battery adapter port, and two 5v dc usb ports one 2.1 a and one that supports rapid charging'. '.strtoupper('t')he power pack's extremely portable form factor means it can go anywhere from a remote dark sky location for astroimaging to a weekend of camping'. '.strtoupper('w')hen it's powering your telescope, use the included 2 straps to secure the unit to your tripod leg where it is out of the way'. '.strtoupper('o')ne side of the unit features a strip of led lighting in both bright white and red'. '.strtoupper('t')his turns the unit into a convenient safety light during star parties or a work lamp to clean up your observing area when the night is done'. '.strtoupper('y')ou can even use it as a bright emergency light during a power failure and illuminate an entire room of your home'. '.strtoupper('t')he powertank lithium pro can also travel with you on your next vacation'. '.strtoupper('a')t 158.74 wh, it meets current faa regulations 160wh for transportation in your carry on baggage'. '.strtoupper('p')lease check in advance with your airline to verify they do not have stricter policies'. '.strtoupper('p')owered by celestron's lithium iron phosphate lifepo4 battery, the powertank lithium pro is smaller, lighter, and safer than sealed lead acid batteries'. '.strtoupper('t')he technology is also more environmentally friendly since it does not use toxic heavy metals'. '.strtoupper('p')owertank lithium pro's lifepo4 chemistry holds up to 2000 charge cycles and has an un recharged shelf life up to 10 years'. '.strtoupper('t')hat means you wont have to remember to recharge your battery every few months like with a sealed lead acid battery'. '.strtoupper('i')ts large, 17 hour capacity and lack of maintenance make powertank lithium pro the ideal choice for an emergency kit'. '.strtoupper('s')tore one in your home, your garage, and even your office'. '.strtoupper('f')eatures extra large capacity portable power pack featuring celestrons lifepo4 battery technology powers your telescope for up to 17 hours features 2 usb ports for charging other devices, plus a 12v car battery adapter port led light panel provides bright white or red led illumination for up to 25 hours perfect for astronomy, camping, emergency kits, anywhere you need portable power meets current faa regulations for carry on baggage 2 year warranty specifications battery capacity 158.74 wh charging input 16vdc 2000ma charge time from flat 6 hours telescope power port 12vdc 5000ma, tip positive car battery adapter port 12vdc 10a, tip positive usb charging port 1 output 5vdc 2100ma usb charging port 2 output 5vdc quick charge light panel red or white with two brightness settings for each color weatherproof dustproof ip 65 rating telescope power cord 6.5 feet 2 meters with connector for celestron telescopes strap 2 wide hook and loop strap for attachment to tripod leg product dimensions 8.75 tall 6 wide 4 deep product weight 4.5 lbs powertank lithium pro compatibility list will power any computerized mount compatible advanced vx cgx l astro fi cpc, cpc dx cg 5 nexstar evolution cge nexstar gt cge pro nexstar se series cgem ii nexstar slt cgem, cgem dx skyprodigy lcm series cgx