Fact of the matter is that Irex should recall all DR1000 and replace the batteries free of charge but I'm sure they won't do that unless people bundle forces and sue them.
That said ....
http://support.irexnet.com/index.php...id=87&nav=0,19
Valid for: Digital Reader 1000
Some units may charge slowly or intermittent.
Please check the following.
If the unit is *OFF* the unit should fully charge in 3-4 hours.
If the unit is *ON* (the device uses now power too) charging may take up to 2.5 times longer i.e up to 7..10 hours to fully charge a battery.
Conditions to test: power is supplied by a USB power source that can supply minimal 500 mA i.e a running PC or USB wall charger.
If your unit takes considerably longer (about more than 50% longer) to charge then create a service ticket to report your case.
Please mention the time it takes to charge and charge conditions.