Battery Model 700A User's Manual
Page 6-2 Information in this document is subject to change without notice!!!
A: The battery is heat sensitive and can only be charged to its maximum if the
battery and its environmental temperature is within 15-25°C (59-77°F). The 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, then plug in the AC Adapter to start
recharging again.
Q: I didn't 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: The batteries will self-discharge (2-5% per day for NiMH, and 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 didn’t use my spare battery for months. I have problem in 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 can automatically (for Li-Ion only) resume its normal Fast Charge. Pre-
Charge may take 30 minutes. Fast Charge usually takes 2~3 hours.
After completion of Pre-Charge, NiMH battery pack will exhibit some abnormal
behavior during Fast Charge. This is the characteristics all NiMH rechargeable
battery. What you experience is a pre-matured termination of recharge. After
leaving your battery pack un-used (in storage) for months, the first couple of
(Pre-Charge) recharge will last for a relatively short while, say 10 minutes, and
recharge will terminate prematurely and indicate incorrectly that the pack is fully
charged. In reality, the battery is not fully recharged. If this happens, take the
battery pack out and return it back for recharging. Repeat this take-out and return-
back operation until the pack is actually being recharged. A rule of thumb to tell
if the recharge is “real” or “fake” is as follows. A “real” recharge will generate
heat, while a “fake” recharge will not.
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