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CHAPTER 2: GETTING TO KNOW YOUR NOTEBOOK

Battery Maintenance

To maintain the battery pack’s maximum capacity, you should occasionally let the

notebook deplete its battery power completely before recharging.

To carry out a complete depletion of the battery, disconnect the AC adapter and let

your notebook consume the remaining battery power. To speed up the depletion,

use the hard drive as much as possible and set the LCD as bright as possible. When

the battery is depleted or fully discharged, wait for the notebook to cool down

(especially the battery). e temperature should be within 15°-25°C (59°-77°F).

en connect the AC adapter to recharge the battery.

Questions and Answers

Q: I can feel a mild heat next to the battery pack. Is this normal?

A: e battery will generate heat during recharging and discharging. ere is a

protection circuit inside the notebook to prevent overheating. You do not need to

worry.

Q: My battery operation time is not as long as it should be. Why?

A: e battery is heat sensitive and can only be charged to its maximum if the

battery and its environmental temperature remain within 15°-25°C (59°-77°F). e

more the temperature deviates from this range during recharging, the less chance

there is for the battery to be fully charged. In order to recharge the pack to its full

capacity, users are requested to cool down the unit by unplugging the AC adapter.

Wait until it is cooled down. en plug in the AC adapter to start recharging again.

Q: I did not use my spare battery for a few days. Even though it was fully

recharged, there wasn’t as much power left as a newly charged one. Why?

A: e batteries will self-discharge (1% per day for Li-ion) when they are not being

recharged. To make sure a battery pack is fully charged, recharge before use.

Always keep the battery inside the notebook and have the AC adapter connected

whenever possible.

Q: I did not use my spare battery for months. I am having a problem

recharging it.

A: If you happen to leave your battery pack to go through an extended period of self-

discharge, say more than three months, the battery voltage level will become too

low and needs to be Pre-Charged (to bring the battery voltage level high enough)

before it automatically (for Li-ion only) resumes its normal Fast Charge. Pre-Charge

may take 30 minutes. Fast Charge usually takes 2-3 hours.

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Keri-systems EntraGuard Bronze Quick Reference manuels

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