[DeTomaso] NPC: battery charging question
Bill Lewis
lotus0005 at hotmail.com
Wed Jan 14 21:10:58 EST 2015
So, does anyone know what the difference is between the Battery Tender and the Battey Tender, Jr. - if you use one tender for only one vehicle battery. (But, I do have one Tender that I do cycle on three different batteries: a free battery, and two motorcycles. I change them every 2-3 days, and this has worked for several years now.) ---BILL
From: guson at home.se
To: detomaso at poca.com
CC:
Date: Tue, 13 Jan 2015 23:54:01 -0800
Subject: Re: [DeTomaso] NPC: battery charging question
Yes and no. If you connect two batteries in parallel, one with 90% of
its charge left, one with 10% left, they will not receive an equal
amount of current. The battery with the lower charge will get the
majority and as it builds up its charge the current will shift away from
it to the battery with higher charge. Eventually it will hopefully even
out but with batteries in parallel you will not get all of them fully
charged. This is probably not a major issue but good to know. If Larry
has gotten away with charging a single 0.8 Ah battery with his 1.5 A
charger until now, charging any number of the same type batteries in
parallel won't make anything worse at least.
Tomas
<-----Ursprungligt Meddelande----->
From: michael at michaelshortt.com
[michael at michaelshortt.com]
Sent: 13/1/2015 11:18:39 PM
To: guson at home.se
Cc: Larry at ohiotimecorp.com;detomaso at poca.com
Subject: Re: [DeTomaso] NPC: battery charging question
Couldn't you just make a sets of Battery Clamps about 16" long and daisy
chain as many as you wanted ( knowing that the 2 amp charge of a Battery
Tender would be divided by that number ) in a series?
1 battery gets 2 amps, 2 batteries get 1 amp, 3 batteries each get .66
amps, 4 batteries each get .5 amps?
Michael
On Tue, Jan 13, 2015 at 5:06 PM, Tomas Gunnarsson < guson at home.se
<mailto:guson at home.se> > wrote:
Larry,
In that case a 1.5 A charger is on the high side when charging a
single battery. It won't hurt at all to have as many as you can in
parallel. If you're charging them one by one you should be able to swap
them approximately every hour, not every day.
Tomas
----- Original Message -----
From: "Larry - Ohio Time" < Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> >
To: "'Tomas Gunnarsson'" < guson at home.se <mailto:guson at home.se>
>; < detomaso at poca.com <mailto:detomaso at poca.com> >
Sent: Tuesday, January 13, 2015 10:44 PM
Subject: Re: [DeTomaso] NPC: battery charging question
> They are 0.8ah, Thomas
>
> Sorry
>
> Larry - Cleveland
>
>
> -----Original Message-----
> From: DeTomaso [mailto: detomaso-bounces at poca.com
<mailto:detomaso-bounces at poca.com> ] On Behalf Of Tomas
> Gunnarsson
> Sent: Tuesday, January 13, 2015 4:04 PM
> To: detomaso at poca.com <mailto:detomaso at poca.com>
> Subject: Re: [DeTomaso] NPC: battery charging question
>
> Larry,
>
> Are these 8 Ah batteries or 0.8 Ah batteries. In your original
post you
> wrote .8 which is why I'm asking.
>
> Tomas
>
> ----- Original Message -----
> From: "Larry - Ohio Time" < Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> >
> To: "'Dave'" < dave at damardirect.com
<mailto:dave at damardirect.com> >; < detomaso at poca.com
<mailto:detomaso at poca.com> >
> Sent: Tuesday, January 13, 2015 8:23 PM
> Subject: Re: [DeTomaso] NPC: battery charging question
>
>
>> Dave you know my shop is not that clean and my fire
extinguisher is Much
>> bigger.
>>
>> Larry (sparks) - Cleveland
>>
>> _____
>>
>> From: Dave [mailto: dave at damardirect.com
<mailto:dave at damardirect.com> ]
>> Sent: Tuesday, January 13, 2015 2:20 PM
>> To: Larry - Ohio Time; detomaso at poca.com
<mailto:detomaso at poca.com>
>> Subject: RE: [DeTomaso] NPC: battery charging question
>>
>>
>> Larry charging his batteries
>>
>> -----Original Message-----
>> From: Larry - Ohio Time [mailto: Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> ]
>> Sent: Tuesday, January 13, 2015 9:49 AM
>> To: detomaso at poca.com <mailto:detomaso at poca.com>
>> Subject: [DeTomaso] NPC: battery charging question
>>
>> Hi Guys,
>>
>> I have been using a good quality automotive 1.5 Amp monitored
battery
>> charger to charge/maintain, 12 volt .8Ah gel-cell batteries.
It does a
> very
>> good job but the problem is that I need to keep a large
number of the
>> batteries charged at all times. It is a pain to change
batteries each
>> day.when I remember to do it.
>>
>> Question: Can I charge more then one at a time if they are
wired in
>> parallel? If so how many?
>>
>>
>> Thanks,
>>
>> Larry (sorry Ducks) - Cleveland
>>
>
>
>
------------------------------------------------------------------------
----
> ----
>
>
>> _______________________________________________
>>
>> Detomaso Forum Managed by POCA
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-------------- next part --------------
So, does anyone know what the difference is between the Battery Tender
and the Battey Tender, Jr. - if you use one tender for only one vehicle
battery. (But, I do have one Tender that I do cycle on three different
batteries: a free battery, and two motorcycles. I change them every
2-3 days, and this has worked for several years now.) ---BILL
From: guson at home.se
To: detomaso at poca.com
CC:
Date: Tue, 13 Jan 2015 23:54:01 -0800
Subject: Re: [DeTomaso] NPC: battery charging question
Yes and no. If you connect two batteries in parallel, one with 90% of
its charge left, one with 10% left, they will not receive an equal
amount of current. The battery with the lower charge will get the
majority and as it builds up its charge the current will shift away from
it to the battery with higher charge. Eventually it will hopefully even
out but with batteries in parallel you will not get all of them fully
charged. This is probably not a major issue but good to know. If Larry
has gotten away with charging a single 0.8 Ah battery with his 1.5 A
charger until now, charging any number of the same type batteries in
parallel won't make anything worse at least.
Tomas
<-----Ursprungligt Meddelande----->
From: michael at michaelshortt.com
[michael at michaelshortt.com]
Sent: 13/1/2015 11:18:39 PM
To: guson at home.se
Cc: Larry at ohiotimecorp.com;detomaso at poca.com
Subject: Re: [DeTomaso] NPC: battery charging question
Couldn't you just make a sets of Battery Clamps about 16" long and daisy
chain as many as you wanted ( knowing that the 2 amp charge of a Battery
Tender would be divided by that number ) in a series?
1 battery gets 2 amps, 2 batteries get 1 amp, 3 batteries each get .66
amps, 4 batteries each get .5 amps?
Michael
On Tue, Jan 13, 2015 at 5:06 PM, Tomas Gunnarsson < guson at home.se
<mailto:guson at home.se> > wrote:
Larry,
In that case a 1.5 A charger is on the high side when charging a
single battery. It won't hurt at all to have as many as you can in
parallel. If you're charging them one by one you should be able to swap
them approximately every hour, not every day.
Tomas
----- Original Message -----
From: "Larry - Ohio Time" < Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> >
To: "'Tomas Gunnarsson'" < guson at home.se <mailto:guson at home.se>
>; < detomaso at poca.com <mailto:detomaso at poca.com> >
Sent: Tuesday, January 13, 2015 10:44 PM
Subject: Re: [DeTomaso] NPC: battery charging question
> They are 0.8ah, Thomas
>
> Sorry
>
> Larry - Cleveland
>
>
> -----Original Message-----
> From: DeTomaso [mailto: detomaso-bounces at poca.com
<mailto:detomaso-bounces at poca.com> ] On Behalf Of Tomas
> Gunnarsson
> Sent: Tuesday, January 13, 2015 4:04 PM
> To: detomaso at poca.com <mailto:detomaso at poca.com>
> Subject: Re: [DeTomaso] NPC: battery charging question
>
> Larry,
>
> Are these 8 Ah batteries or 0.8 Ah batteries. In your original
post you
> wrote .8 which is why I'm asking.
>
> Tomas
>
> ----- Original Message -----
> From: "Larry - Ohio Time" < Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> >
> To: "'Dave'" < dave at damardirect.com
<mailto:dave at damardirect.com> >; < detomaso at poca.com
<mailto:detomaso at poca.com> >
> Sent: Tuesday, January 13, 2015 8:23 PM
> Subject: Re: [DeTomaso] NPC: battery charging question
>
>
>> Dave you know my shop is not that clean and my fire
extinguisher is Much
>> bigger.
>>
>> Larry (sparks) - Cleveland
>>
>> _____
>>
>> From: Dave [mailto: dave at damardirect.com
<mailto:dave at damardirect.com> ]
>> Sent: Tuesday, January 13, 2015 2:20 PM
>> To: Larry - Ohio Time; detomaso at poca.com
<mailto:detomaso at poca.com>
>> Subject: RE: [DeTomaso] NPC: battery charging question
>>
>>
>> Larry charging his batteries
>>
>> -----Original Message-----
>> From: Larry - Ohio Time [mailto: Larry at ohiotimecorp.com
<mailto:Larry at ohiotimecorp.com> ]
>> Sent: Tuesday, January 13, 2015 9:49 AM
>> To: detomaso at poca.com <mailto:detomaso at poca.com>
>> Subject: [DeTomaso] NPC: battery charging question
>>
>> Hi Guys,
>>
>> I have been using a good quality automotive 1.5 Amp monitored
battery
>> charger to charge/maintain, 12 volt .8Ah gel-cell batteries.
It does a
> very
>> good job but the problem is that I need to keep a large
number of the
>> batteries charged at all times. It is a pain to change
batteries each
>> day.when I remember to do it.
>>
>> Question: Can I charge more then one at a time if they are
wired in
>> parallel? If so how many?
>>
>>
>> Thanks,
>>
>> Larry (sorry Ducks) - Cleveland
>>
>
>
>
------------------------------------------------------------------------
----
> ----
>
>
>> _______________________________________________
>>
>> Detomaso Forum Managed by POCA
>>
>> DeTomaso mailing list
>> DeTomaso at poca.com <mailto:DeTomaso at poca.com>
>> [1]http://poca.com/mailman/listinfo/detomaso_poca.com
>>
>> To manage your subscription (change email address,
unsubscribe, etc.) use
> the links above.
>>
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
>
> DeTomaso mailing list
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> To manage your subscription (change email address,
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>
> _______________________________________________
>
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Savannah, Georgia
www.michaelshortt.com <[5]http://www.michaelshortt.com/>
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912-232-9390
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