The charger for my HP G62-347NR gets very hot when plugged in and batterys doe not last long after charging I was wondering if my charger is bad?

First change the charger if the problem persists it should be battery issue.
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Does the battery get hot when it is on the charger. Possibly a bad battery.

If your battery will not charge, you need to run a test on some components on the laptop. The battery, the charger and the laptop itself. Once you detect the faulty conponent then you replace it with a new one.

To test the battery:
1.Power off the laptop,
2.Take out the battery,
3.Insert it in another laptop,
4.Check of it will charge,

If the battery holds a charge there, then it means the problem is not from the battery, but if it does not hold a charge, then it means the battery is defective and need to be replaced with a new one.

To test the charger:
1.Unplug the charger from the present laptop,
2.Connect it to another laptop to see if it will charge.

If it charges the laptop, then it means the charger is alright, and if it does not charge the laptop, then it means the charger is bad and need to be replaced.

To test the laptop:
1.Turn off the laptop,
2.Disconnect your present charger,
3.Remove your present battery pack,
4.Insert a well tested battery into the laptop,
5.Connect a well tested charger to the laptop.

If it powers on, then it and charges, then it means the laptop is working fine, but if it does not charge, then it means the connection port of the laptop is bad.Hope this information was helpful.

Not only do the batteries go bad, but the chargers as well. If you can, plug in the charger, don't connect the battery to it and test the voltage output with a volt/ohm meter. This should let you know if indeed, the charger is bad. Chargers get hot and don't last forever.

its just 3 things.
1; battery
2: charge regulator on the device.
3: power pack
one is bad.
so its not battery, now its #2 or #3

seen the regulator is toasted
very common
why not buy as used spark same device, and mix part to get good
or ditch it and upgrade,

You either have a bad battery or you have a bad charger. If the phone heats up when you plug it into the USB port on a computer then you know that the battery is bad and needs to be replaced. If the phone does not heat up and you get a normal charge from the USB connection then you know that the battery is good and the charger is bad.

Will the laptop start if the battery is removed and just the charger plugged in? I would remove the battery and charger for a few minutes and try it with just the charger plugged in. Unfortunately it sounds like a hardware fault. Let me know how that goes. The other thing to try is removing the ram and then putting it back in. this will solve alot of problems like this.

Unortunatly, yes it would seem you battery is failing and needs a re-placement

take a look here

http://www.power-supplier.co.uk/laptop-battery/2707/SAMSUNG/R700%20Aura%20T9300%20Dillen.htm

Bad charging IC on motherboard.

Does the AC adapter get hot if you use it to power the notebook with the main battery removed? If not, the battery or internal charging board may be faulty/