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 Post subject: Re: ALL POSTS - 12-volt battery replacement
PostPosted: Mon Nov 04, 2019 6:49 pm 
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Joined: Thu Jan 17, 2013 11:13 pm
Posts: 1806
Location: Los Altos, CA
Costco also has Interstate 24F with 700 CCA and Rc=130 for $90. I found it by putting a 2012 RAV4 V6 in the battery finder.

On the Interstate battery site, this appears to be M-24FHC since it has the same CCA and Rc ratings. The standard M-24F has 27% less capacity at a Rc=95 minute rating.
The M-27 and M-27F only have Rc=135, so the capacity difference should be minor and the 24F is a drop-in fit as we know.

Either of these seem like a good choice for the RAV4 EV. I personally don't think the Group 27 is a good choice for a typical owner that values an easy installation.

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 Post subject: Re: ALL POSTS - 12-volt battery replacement
PostPosted: Mon Nov 04, 2019 8:00 pm 
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Joined: Mon Apr 01, 2013 11:42 pm
Posts: 310
Location: San Diego, CA, USA
miimura wrote:
Costco also has Interstate 24F with 700 CCA and Rc=130 for $90. I found it by putting a 2012 RAV4 V6 in the battery finder.

On the Interstate battery site, this appears to be M-24FHC since it has the same CCA and Rc ratings. The standard M-24F has 27% less capacity at a Rc=95 minute rating.
The M-27 and M-27F only have Rc=135, so the capacity difference should be minor and the 24F is a drop-in fit as we know.

Either of these seem like a good choice for the RAV4 EV. I personally don't think the Group 27 is a good choice for a typical owner that values an easy installation.

You don't think that with mounting the 27DC battery turned 180 degrees (with the posts towards the front of the vehicle) that the cables would reach?

I stuck a 2008 Tacoma in the Costco search, and got the following 24F battery @ $93.99, but it's still not deep cycle: https://costco.interstatebatteries.com/ ... Country=US

YOUR BATTERY INFORMATION

Item Number: 1131901
Group Size: 27F
Cold Cranking Amps: 710
Cranking Amps: 890
Voltage: 12
(RC) Min @ 25 Amp: 165


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 Post subject: Re: ALL POSTS - 12-volt battery replacement
PostPosted: Tue Nov 05, 2019 6:26 pm 
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Joined: Thu Jan 17, 2013 11:13 pm
Posts: 1806
Location: Los Altos, CA
davewill wrote:
You don't think that with mounting the 27DC battery turned 180 degrees (with the posts towards the front of the vehicle) that the cables would reach?

I stuck a 2008 Tacoma in the Costco search, and got the following 24F battery @ $93.99, but it's still not deep cycle: https://costco.interstatebatteries.com/ ... Country=US

YOUR BATTERY INFORMATION

Item Number: 1131901
Group Size: 27F
Cold Cranking Amps: 710
Cranking Amps: 890
Voltage: 12
(RC) Min @ 25 Amp: 165

It's entirely possible that the cables will reach the front of the battery if you flip it around so that the terminals are on the correct side of the vehicle. I was actually more concerned that the Group 27 battery is 1 1/8 inches longer than the Group 24. I did not look at the battery tray on the RAV4 EV to see how it could be accommodated, but assumed that something would have to be modified. To me, any modification is a big ask for a normal owner. If no modification is necessary, then sure, go for the bigger one. Rc=165 is a significant increase in capacity.

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 Post subject: Re: ALL POSTS - 12-volt battery replacement
PostPosted: Thu Nov 07, 2019 7:08 pm 
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Joined: Wed Nov 14, 2012 9:50 pm
Posts: 4096
Location: San Diego
I think I’m going to buy the larger Group 27 battery and see what needs to be modified.

Yes, the Group 24F Interstate battery will just drop in; no modifications required.

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 Post subject: Re: ALL POSTS - 12-volt battery replacement
PostPosted: Tue Nov 19, 2019 9:57 pm 
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Joined: Fri Jun 19, 2015 11:09 pm
Posts: 28
TonyWilliams wrote:
I have a new “favorite” 12 volt battery for RAV4 EV:

COSTCO # 850952
$87.99

Built by Interstate
Model 27-DC

...

hmm - I checked for it and could it be the costco #850982?
I plan to try a new 'pure' sine wave converter tomorrow: giandel 1200W, and like the idea of removing the fuse. I bought the HF battery anti-theft contraption, but had difficulty in mounting it.

Presumably the steps would be:
open hood
hook up powered-off inverter (ground and + side on the charger side)
start ev
turn on inverter
pull fuse

suggestions welcome,
ferenc

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