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Your LDS-1990 uses a rechargeable 3.7 volt lithium polymer battery.
The fi rst time you use your device, it requires approximately 4 to 6 hours of
charging before use. Thereafter, your device can take up to 6 hours for a full charge.
Battery power lasts for about 1 week of normal dictionary use or 14 hours of
continuous dictionary use (and around half that with continuous audio). When you
see the low battery warning, please recharge your battery.
Recharging the Battery
Follow these instructions to recharge the battery.
1. Find the USB charger cable included with your device.
2. Make sure your device is turned off .
3. Plug the small end into your device and the other end into a power source.
Continue charging your device until the battery is fully charged.
You can also charge your battery by plugging it into your PC using the included
USB cable. Plug the wide end of the USB cable into a USB port on your PC and
the smaller end of the USB cable into the USB port on your device.
Battery Information
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