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WPA 1000II User Manual
Battery Notices
The WPA 1000II is equipped with a Lithium-Ion battery pack and backup battery. Both
batteries will discharge after an extended period of not being used.
When both batteries are discharged, recharge the unit for 4.5 hours in order to fully
charge the main battery and backup battery. Recharge the WPA 1000II through the
following:
1. Plug the USB charging cable to the WPA 1000II and plug the 5V/3A AC-DC
adapter to the power jack of the USB charging cable.
2. Place the WPA 1000II into the docking station and plug the 5V/3A AC-DC
adapter to the power jack of the docking station.
If the main battery is removed, the backup battery ensures the data on SDRAM is
safe for up to 2 hours. To prevent data loss, do not leave the WPA 1000II uncharged
with the main battery removed for an extended period. For more details, refer to the
section titled Charging the Battery .
Note: Rechargeable batteries should be replaced every year or when 500
charge/discharge cycles have been completed. Replacing the batteries
guarantees optimal performance. Batteries may expand after one year
and/or 500 cycles. Although this is not dangerous, the battery is no longer
usable and must be disposed of according standard battery disposal
procedures.
If performance decrease is greater than 20% in a Lithium-Ion battery, the
battery is at the end of its life cycle. Discontinue use, and dispose of the battery
properly.
Battery power longevity depends on the battery type and how the device is used.
Conserve the battery life through the following:

Avoid frequently depleting the battery charge. This can place additional strain
on the battery. Several partial discharges with frequent recharges are better than
a deep one. Recharging a partially charged lithium-Ion battery does not damage
the battery.

Keep the lithium-Ion battery cool. Avoid a hot car. For prolonged storage, keep
the battery at a 40% charge level.

Do not leave the lithium-Ion battery discharged and unused for an extended
period because the battery will wear out quickly.