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RE: [ST] Battery Charging
- Subject: RE: [ST] Battery Charging
- From: Ben Snyder <bensnyder@xxxxxxxxx>
- Date: Thu, 10 Jan 2002 04:27:53 -0800 (PST)
My Batter Tender Plus is rather new, so I'm not sure
about older models even though I can't imagine them
being too different...
Mine has a light signal for what the manual says means
that the BT+ is not connected to the battery
correctly. Now, having been accused of using logic
before I think I can state with some authority, that
if you were the BT+ and you know you're not connected
to a battery, then whenever that changed to being
connected to a battery, of any charge, that you'd
start at the beginning of your routine.
This seems to be the case with my BT+. If I take the
clips of the battery posts I get the 'not connected'
signal. When I reconnect it, I get a 'charging' for a
few seconds (which I think it's running diag on te
battery), then I get the '80% chraged, using trickle
from here on out' signal for a minute or so, then I
get the all green 'fully charged' signal.
- --- Rich Crinson <rich@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Bil Swartz
> Sent: Monday, January 07, 2002 1:47 AM
>
> Do you or does anyone have any info to substantiate
> this? I use a Battery
> Tender Plus between 3 bikes, I just unplug from
> one's pigtail and plug
> into the next every few days and have never power
> cycled the BT during the
> changes. I've been doing this for a couple of
> winters now and all
> batteries seem to be maintained fine.
>
> What info do you have that makes you think this?
>
>
> I can only comment on the Optimate 3, which is a
> battery checker and
> conditioner. It first checks the battery to find
> out the state of charge
> and then runs a holding state charge over 30 mins,
> if the battery fails it
> goes back to a desulphation (deeply depleted
> battery) charge (22V @ 200mA)
> and then checks the battery again every 30 mins. If
> the battery is holding
> a decent charge it will hold a float voltage at
> 13.6V, if not it goes back
> into charge mode and delivers 0.6A until the
> impedance reaches 14.3V. The
> problem with this type of battery 'maintainer' is if
> the mains isn't reset
> the chip can't suddenly understand why the battery
> impedance has gone from
> charged 14.3V to discharged 10V and it will not go
> back to the start and
> retest the battery. I won't go into the boring stuff
> but a 12V battery isn't
> actually 12V at full charge, it's a pint that holds
> a pint and a half! I'm
> not sure if the Tender + actually tests the battery
> in an attempt to recover
> it or it's just a charger in which case it wont
> matter if the mains isn't
> reset.
>
> ---
> Rich Crinson
>
> '01 Black RS
>
>
>
>
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