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From: 2141smh@aluxe.UUCP (henning)
Newsgroups: net.consumers,net.physics
Subject: Re: lifetime of rechargeable batteries
Message-ID: <488@aluxe.UUCP>
Date: Mon, 5-Nov-84 22:46:50 EST
Article-I.D.: aluxe.488
Posted: Mon Nov  5 22:46:50 1984
Date-Received: Tue, 6-Nov-84 05:42:22 EST
References: <1789@garfield.UUCP>
Distribution: net
Organization: AT&T Bell Laboratories, Allentown, PA
Lines: 15

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From the keys of Steve Henning, AT&T Bell Labs, Reading, PA aluxe!2141smh


The GE nicad D-cells contain a nicad C-cell, at least the last time I checked.
You can tell by picking the up, the C and D cells weigh the same.  Nicads are
not too swift when they get cold.  Also they have a memory effect.  If you
only discharge them 10% before you charge them several times, they will only
hold about 10% charge.  By the way, a nicad D-cell should be a 4 ampere battery.
If treated properly, nicads only last about 3 years typically.  If after using
nicads several months and you notice that they do not hold a full charge,
they have developed a memory for the use and recharge cycle.  You can recover
the nicads by leaving the appliance on for about 12 hours to get a deep
discharge.  Charge the batteries for 24 hours.  You should do a deep drain
and recharge every 3 months.