saab_rider Posted May 29, 2006 Report Share Posted May 29, 2006 Hello everyone, this is my first post! My N10 has been collecting for about 2 years. Actually, it's my wife's. First the charger was lost, then she got an iPod, so she stopped using it.Anyway, I took it out, and just bought the lost accessories again. I bought a charger and an AA battery pack. First, I plugged the battery pack, and added an AA battery I found at home. It wouldn't work. I tried another battery, and it still didn't work. None of them were new anyway, plus I read the note inside the battery pack's cover saying that the player can't run on dry batteries if the built-in battery was empty. So I plugged the charger, and It charged within an hour. That amazed me!When I was charging the MD, I first placed the N10 in the cradle (which I didn't loose!). It charged fine. Then I noticed the AC adapter opening on the battery pack, so I connected the charger through it to test it. It also charged with no problem. So I kept it charging through the battery pack. Within an hour, it was fully charged. I turned the device on and did a quick test. Everything was working fine.I then bought a new AA battery, tried it, and it still wouldn't work! I thought maybe it was because I got a cheap generic AA battery. Today I bought yet another; an Energizer battery this time.. Still not working.What could the problem be? The battery pack wasn't brand new. I bought it from a guy who got the wrong battery pack for his MD player. It looks un-used. Obviously nothing's wrong with the connection, as it charges with no problems. So where's the problem? Is my player too old to run off AA batteries? Is something wrong with my internal-battery? Is this battery pack defected? Quote Link to comment Share on other sites More sharing options...
saab_rider Posted June 1, 2006 Author Report Share Posted June 1, 2006 Guys, doesn't anyone have any idea? Quote Link to comment Share on other sites More sharing options...
bobt Posted June 1, 2006 Report Share Posted June 1, 2006 Just a thought, is the battery switch on the back of the unit off by any chance??Good luck,Bob Quote Link to comment Share on other sites More sharing options...
saab_rider Posted June 5, 2006 Author Report Share Posted June 5, 2006 bobt said: Just a thought, is the battery switch on the back of the unit off by any chance??Good luck,BobHi bob. I've turned it on, off.. Nothing! It just wouldn't work with an AA battery. But again, it charges the internal battery when the AC adapter is connected to the power pack, so nothing's wrong with the pack's connector. Quote Link to comment Share on other sites More sharing options...
jaylen Posted June 5, 2006 Report Share Posted June 5, 2006 (edited) Edit: Oops, I didn't read your 2nd paragraph carefully enough. Sorry for the reply. Edited June 5, 2006 by jaylen Quote Link to comment Share on other sites More sharing options...
saab_rider Posted June 6, 2006 Author Report Share Posted June 6, 2006 Guys, by any chance could it be that because the internal battery's current power-status isn't as strong as it once was before, that the batterypack "thinks" the internal battery is dead, causing it not to work?Life would be much simpler if I had another device to test on. Quote Link to comment Share on other sites More sharing options...
Roamer Posted June 6, 2006 Report Share Posted June 6, 2006 It could be the case. The internal battery is Li-Ion , and Li-Ion ages even if you don't use it. So it will no longer hold a proper charge after some period of time. The only thing to prevent this is to store the battery in a cold place (not freezing), which slown down the aging process (which is not very practical with an internal battery, I must admit ...). Quote Link to comment Share on other sites More sharing options...
saab_rider Posted June 8, 2006 Author Report Share Posted June 8, 2006 Roamer said: It could be the case. The internal battery is Li-Ion , and Li-Ion ages even if you don't use it. So it will no longer hold a proper charge after some period of time.Yeah I noticed that it doesn't hold the charge for a long time. It does charge, and it does run for an acceptable period of time provided that I use it instantly after the charge completes. If I charge it, then leave it without playing for 2 days, then try to run it, the battery would be drained.Well what if I replace the internal LIP-3WMB battery?? But the thing that worries me about this is that if my internal battery's life has been compromised, doesn't that mean that even a new battery's life-span might not be that better off (since they were probably manufactured a long time ago as well?).What do you guys think? I found them on-line ranging from 5-10 bucks... Quote Link to comment Share on other sites More sharing options...
MDX-400 Posted June 8, 2006 Report Share Posted June 8, 2006 saab_rider said: Well what if I replace the internal LIP-3WMB battery?? But the thing that worries me about this is that if my internal battery's life has been compromised, doesn't that mean that even a new battery's life-span might not be that better off (since they were probably manufactured a long time ago as well?).What do you guys think? I found them on-line ranging from 5-10 bucks...No no don't replace the 3WM if you don't have to. If it charges fine and holds a charge okay then that isn't the cause of the AA pack not working. It is either the AA pack or a problem with the unit's circuit that controls the AA power input. Since the AC adapter-through-the-AA-pack seems to work alright, then I'd say there is another problem with the AA pack. Perhaps there is some corrosion or oxidation on the battery terminals inside? Or there could be some cold solder joints from the AA terminals in the pack (but not for the AC adapter connection on the pack). I'd try cleaning or repairing the AA battery pack, or getting another one if that's what you're really after. Getting a new internal Li-Ion can't hurt (well unless you damage the unit replacing it, lol) but it certainly isn't going to magically make the AA pack work, if the existing Li-Ion does charge/work already. If the internal did not charge or work at all, that would be another story but from your description it does work (eventhough the capacity might be diminished it still works). Quote Link to comment Share on other sites More sharing options...
saab_rider Posted June 9, 2006 Author Report Share Posted June 9, 2006 MDX-400 said: If the 3WM charges fine and holds a charge okay then that isn't the cause of the AA pack not working. It is either the AA pack or a problem with the unit's circuit that controls the AA power input. Since the AC adapter-through-the-AA-pack seems to work alright, then I'd say there is another problem with the AA pack. Perhaps there is some corrosion or oxidation on the battery terminals inside? Or there could be some cold solder joints from the AA terminals in the pack (but not for the AC adapter connection on the pack). I'd try cleaning or repairing the AA battery pack, or getting another one if that's what you're really after.Getting a new internal Li-Ion can't hurt but it certainly isn't going to magically make the AA pack work, if the existing Li-Ion does charge/work already.The thing is I bought this battery pack off of ebay from a guy who supposedly got the wrong battery pack for his MD (he has an NH1). So this battery pack should be brand new and unused. It certainly looks that way, as it's clean of any scratches or any type of wear and tear.So what should I do? Open up the battery pack and see what it looks like inside? The battery terminal is spotless.I just hope I didn't buy a defected battery unit Quote Link to comment Share on other sites More sharing options...
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