I don't know if it any kind of official terminology, but I always call that a "tapered", as in 'tapered off'.

Godfrey

On Sep 2, 2005, at 5:12 AM, Dario Bonazza wrote:

Thanks David!

So, now the question is: is there a word for defining the slow-rate charging at the end of the process, as done by some microprocessor- controlled chargers?

Dario


----- Original Message ----- From: "David Oswald" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, September 02, 2005 10:00 AM
Subject: Re: Batteries: Trickle charge



According to Wikipedia:

http://en.wikipedia.org/wiki/Trickle_charging

Trickle charging means charging a battery at the same rate as it is self discharging, thus maintaining a full capacity battery. One must be careful, however, that the charge rate is not more than the self discharge, or overcharging and possible damage or leakage may occur.

Dario Bonazza wrote:

Discussing batteries and chargers, what does trickle charge mean exactly?

Apparently, some manufacturers (e.g. Quantum) mean a charger function for maintaining the batteries charged after the normal charging cycle is complete. That means that if you need the batteries you can use them after the recharge cycle, while if you have to store the batteries for a long time, they are kept at full charge by the charger, which does some small charge from time to time, just to compensate for auto-discharge. In this case, you get 100% battery power after normal recharge and before trickle charge, and then again 100% power at any time after trickle charge.
The batteries are supposed to stay in the charger idefinitely.

Other manufacturers call trickle charge the last part of the standard recharge cycle, a slower final charge where the batteries are filled up as much as possible. In this case, you get say 80-90% battery power after quick charge (with no trickle charge), while you only get 100% power if you let the charger perform the complete cycle, including the quick charge and the trickle charge. The batteries are supposed to stay in the charger only for their recharge cycle (with or without trickle charge depending on the urgence of using them).

Please enlighten me. Thanks.

Dario





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