Unitech PA692 User Manual

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- V -Battery NoticesThe PA692 is equipped with a Lithium-Ion battery pack and a Ni-Mh backupbattery. Both batteries will discharge after an extended period of no use.When both batteries are discharged, recharge the unit for 12 hours in order tofully charge the main battery and backup battery. Recharge the PA692 batteryby doing the following:1. Plug the USB charging cable into the PA692 and plug the 5V/3A AC-DCadapter into the power jack of the USB charging cable.2. Place the PA692 into the docking station and plug the 5V/3A AC-DC adapterinto the power jack of the docking station.If the main battery is removed, the backup battery ensures the data onSDRAM is safe for up to 2 hours. To prevent data loss, do not leave the PA692uncharged with the main battery removed for an extended period. See theCharging the Battery unit on for more details.NOTE: To guarantee optimal performance, it is advised that rechargeablebatteries be replaced every year, or when 500 charge/discharge cyclesare achieved. It is normal that the battery balloons or expands beyondone year or the maximum of 500 cycles. Although it does not causeharm, it cannot be used again and must be disposed of according tothe location's safe battery disposal procedures.If the performance decrease is greater than 20% in a Lithium-Ionbattery, the battery is at the end of its life cycle. Do not continue to use,and ensure the battery is disposed of properly.The length of time that a battery lasts depends on the battery type and how thedevice is used. Conserve the battery life by doing the following:• Avoid frequent full discharges because this places additional strain on thebattery. Several partial discharges with frequent recharges are better thana full discharge. Recharging a partially charged lithium-Ion battery does notcause harm because there is no memory.• Keep the lithium-Ion battery cool. Avoid a hot car. For prolonged storage,keep the battery at a 40% charge level.