inputs.text: nice product everything checks - [ [ videoid14b148326c3fb038894a1c2bb2ffdab6 ] ] enough juice start mediumlarge car engine no problehem started 40 liter v6i also use inside camper van 12volt power supply lighting fan works well see belowthere dozen brands amazon nearly identical model shop around look identical model may minor differences carrying case connectors provided ehemergency light features etc 4 \\clones\\ tested seehem come factory many details commonthis model comes 4way usb cable micro mini apple 30pin apple lightning nice probably better ones come different usb tips lose cable charge one device timethe lightning connector works fineno errors complaints iphone 6zozo similar model [ [ asinb012fnabvc zozo tm15 ] ] also tested like one betterliion batteries not like heat would definitely not keep trunk even keeping car could ruin battery time lot outside parking warm weatherpros works described looks feels like good quality nice quality 120volt ac 12volt dc charging adapters nicely designed casecons mine came no user guide not sure capacity stated mah milliamp hours battery packs not amount amphours delivered 12 volts 5 16 19 volts amphours delivered 37 volts internal liion cells conversion higher voltage output unit 168amp hour spec means would get maximum 518 amphours 12volts example 62 watthours power no matter voltage output using connector sizes comes lots connector tips 121619 volt output nice know main unit uses common connector sizes case want attach cables 121619 volt output 55mm21mm barrel connection input recharging 35mm135mm nighttime power rv working well power two bright led lamp fixtures tiny exhaust fan small rvone minor hassle unit shuts 1 minute not used no autostart hit battery power button whenever want turn devices cannot turn lights without restarting battery pack competing models looked also work wayalso could accidentally bump voltage 16 19 volts hit power button extra time wrong time possibly frying 12volt devices disclosure manufacturer gave itehem review believe review impartial comments questions welcome 121619 volt output nice know main unit uses common connector sizes case want attach cables 121619 volt output 55mm21mm barrel connection input recharging 35mm135mm nighttime power rv working well power two bright led lamp fixtures tiny exhaust fan small rv one minor hassle unit shuts 1 minute not used no autostart hit battery power button whenever want turn devices cannot turn lights without restarting battery pack competing models looked also work way also could accidentally bump voltage 16 19 volts hit power button extra time wrong time possibly frying 12volt devices disclosure manufacturer gave itehem review believe review impartial comments questions welcome