i would like a use/owner manual for a ventuer PVS19377IR portable dvd player if possible thankyou , or a answer for a few questiosn ,such as how long does it take to charge / how long will it run an a charge , and do you need seperate power supplys to run it or can a single power supply wit two seperate plug-ins tyed together will work or will it cause problems /malfuntion ,once again thankyou for ur time and concideration to assist'n me with my query on this issuse