How many volts woud it take to charge a laptop
it needs 3.6 volt
You would need a 24 volt charger. Connect them in parallel and you can charge them both with a 12 volt charger. Or disconnect them and charge each one separately.
You will need a charger with 24 volt capability.
50
Yes it can. It's close enough to the laptop's power requirements to charge it.
No, you need a 24 volt charger.
A 10 amp charge will only output 10 amps and 12 volts. So, if you want to charge thee 12 volt batteries hooked in series you will have to disconnect the positive cable from each battery and charge then individually. You cannot charge three 12 volt batteries hooked in series. That requires a 36 volt charger.
No, an automobile battery charger outputs 12 Volts. This is far too many volts to charge a 5 Volt battery. You would destroy the 5 Volt battery with this charger.
Yes you must charge it before hooking it up. You can charge it with a 12 volt light bulb with leads or a voltmeter.
It takes about 6 hours to charge a 7.4 volt battery when using a 5 volt charge. For the best results try charging it over night.
how Can you charge multiple 12 volt batteries with a car?
No.No.