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From: Alistair Kendrick <kendrick@gi*.co*.cn*>
To: "Tech Diver (E-mail)" <techdiver@aquanaut.com>
Subject: Re Ni-Cads
Date: Mon, 27 Sep 1999 09:21:16 -0700
Hi
Yes Ni-Cads have a memory effect. Theoretically, if you top up the =
capacity of the battery is only the amount that you topped up. Say your =
battery was 75% charged and you topped up. The capacity of the battery =
now is only 25% of the original. This is not recoverable but multiple =
discharge/ recharge cycles help. (In reality its not that bad)
Another point is not to completely discharge otherwise there is a chance =
the polarity becomes reversed on the recharge, this destroys the =
battery.
If you want to know how much charge is left in your battery-guess. You =
can only estimate by recording the usage.
I hope this helps.

Cheers
Alistair
Kendrick@gi*.co*.cn*
Tel Office   0086 20 83580850
Tel Home   0086 20 83580293
Tel Mobile  0086 13902291970
http://homepages.msn.com/HobbyCt/bendan/home.htm




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