Please Note This item only available for United States Unable delivery to other countries thank youSpecification BrandAUTTAJA ModelS500 AC output 110V 60Hz Rated Power 500W pure sine wave Charge duration9 11h Electricity display Digital display percentage display Cycle life 500 timesOperating temperature 20℃ 60℃ Dimensions 308 148 148mm length width heightDC output USB 5V 2 4A QC3 0Type C PD65W DC 12V 10A DC input18V 3AFeatures 1 Please read and understand the operation manual of this product before in detail 2 When charging please use the designated charger and charge according to the requirements of the instructions Charge in a constant current and constant voltagemanner Reverse charging is prohibited 3 The product has built in high quality battery no memory effect large capacity and durability The recommended ambient temperature is minus 20 ℃ to 60 ℃ 4 If you do not use this product for a long time in order to prolong the service life of the battery please charge this product every three to six months 5 This device is built in non detachable battery Please do not try to take out the battery to avoid damaging the device 6 When charging the charger and this product will be accompanied by slight heating which is a normal phenomenon 7 Please keep this product away from fire water and other liquids to prevent direct sun exposure 8 Please do not short circuit this product and avoid storing it with coins jewelry keys and other metal