Quote:
Originally Posted by guru
If it takes a few minutes you're probably not using the right leads or a beefy enough power supply 
Obviously with thin jump leads be very careful about leaving them connected for any length of time as they will get pretty hot and at worse could cause a fire or other bad things. |
Depends how flat the battery is, if its mega flat will take a minute to cgarge up, better to let it vharge first then try it otherwise your drawing probably over 60Amp through the leads and your own alt/battery