hispd ac/dc adapter compatible with chicago electric model 38391 12 volt jump-start jump starter power systems 3 in 1 jump start air compressor 08884 harbor freight tools jumpstarter supply charger hispd ac/dc adapter compatible with chicago electric model 38391 12 volt jump-start jump starter power systems 3 in 1 jump start air compressor 08884 harbor freight tools jumpstarter supply charger<br><br><b>☛ac adapter specifications:</b><br>* input voltage: 100-240, 50/60 hz<br>* dc line length: 4ft<br><br><b>⚠ notice:</b><br>if you use this item for a long time, please keep it suitable ventilating and humidity.<br><br><b>☛package includes:</b><br>*1 x switching power supply<br><br><b>⚠this charger will work with select models only !