Before replacing you battery, if you had let it set for an extended time and let it discharge to far then the batter will NOT take a charge....YET!!!! ALL Lit batteries require a minimum battery charge level to function, so they should never be left to fully discharge. Now try to bump charge it. Use the external battery adapter, plug the cable into the adapter and into your ipod, now plug the adapter into the wall outlet for half a second remove it and plug it back into the wall, do this 4 times in like 2 seconds (just do it quickly), finally leaving it plugged into the wall. This same process also worked on my Nikon's battery with a charger block. just leave the battery/device attached to the charger and unplug that AC adapter only. This process can force that minimum level back into the battery so it can take a normal charge. I have done this on several "dead" batteries. reports are most batteries being replaced are not dead but require this bump charge to get the minimum back into them. Now spread the...