SOURCE: advent camera battery charger
thank you i now have a charger on the way for a rollei dp4200,dp2500 im gonna try iy on my adv1172e..i hope it works! cheers!
SOURCE: New 6600 mAh battery won't charge
Is the AC adapter the original that came with the laptop or is it a replacement?
Check the label on the laptop (on the bottom of the laptop) for the voltage and current requirements.
Check voltage output of the adapter with a multimeter, this voltage should be slightly higher that the voltage than what is shown on the adapter's label because there is no load on the adapter.
It could be that the current (amps) that the adapter is delivering less power than the laptop's requirements, whilst it can power the laptop it may not be sufficient to charge the battery fully.
Try charging the battery overnight by shutting down the laptop but leaving it connected to the mains. Then boot up the laptop in the morning and check the battery's charge state. If the battery is at or near full capacity, then the problem is a (part) faulty adapter.
Try the highest mA AAA cells you can find or see Maplins for the pre joined pair. You will need a steady hand and a soldering iron with a fine tip there aint much room in there. The mA wont really matter, if you get a higher rating than the originals they will just take longer to charge.
SOURCE: using lipo s it goes to low voltage shut off
the packs may need to be balanced..most good chargers have an option to balance your packs out..one cell may be stronger so it is running off that cell then acting dead
Get the cheap charger at wal-mart it will work fine.
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