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2010 Accord New Battery #4686373
03/06/18 02:22 PM
03/06/18 02:22 PM
Joined: May 2012
Posts: 2,549
Indiana
Phishin Offline OP
Phishin  Offline OP
Joined: May 2012
Posts: 2,549
Indiana
The original OEM Panasonic was replaced 4 years ago with another OEM battery by Honda (covered under warranty).

This second battery has been getting sluggish lately. I put it on a charger this week, but this morning, she wouldn't start. So I took out the anemic OEM 51R battery (400 CCA's) on my lunch break
and purchased a bigger (24F) East Penn/Deka battery (Napa Legend Premium....725 CCA's). I only buy East Penn batteries. This thing comes with a 7 year warranty.

I'll install it later tonight when I get home from work.


Last edited by Phishin; 03/06/18 02:29 PM.

2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2010 Accord New Battery [Re: Phishin] #4686379
03/06/18 02:29 PM
03/06/18 02:29 PM
Joined: Aug 2009
Posts: 3,294
Ohio
Tdbo Offline
Tdbo  Offline
Joined: Aug 2009
Posts: 3,294
Ohio
That's the course of action to take.
My Accord came with a 51. After 1 winter, I went with a 35. No problem since.
I will probably put a 24 in when the AAP Gold I put in it goes south.


2012 Honda Accord LX-P 94K
2008 Ford Mustang Pony Package Convertible 17K
2006 Honda Odyssey EX-L 76K
2003 Ford Ranger 3.0 Supercab 113K
Re: 2010 Accord New Battery [Re: Phishin] #4686380
03/06/18 02:32 PM
03/06/18 02:32 PM
Joined: Dec 2008
Posts: 3,116
Occupied Virginia
Bottom_Feeder Offline
Bottom_Feeder  Offline
Joined: Dec 2008
Posts: 3,116
Occupied Virginia
I've been looking at battery size upgrades on my 2015 Accord with the 51R. I've heard lots of people doing the swap, but does the stock alternator have enough output to charge a larger battery reliably?

Re: 2010 Accord New Battery [Re: Phishin] #4686412
03/06/18 02:58 PM
03/06/18 02:58 PM
Joined: May 2005
Posts: 10,553
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,553
ROCHESTER, NY
I always try to stuff a 24F battery into my Asian cars that come with a group 35 or 51R.
Good choice!


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: 2010 Accord New Battery [Re: Bottom_Feeder] #4686422
03/06/18 03:07 PM
03/06/18 03:07 PM
Joined: Aug 2009
Posts: 3,294
Ohio
Tdbo Offline
Tdbo  Offline
Joined: Aug 2009
Posts: 3,294
Ohio
Originally Posted By: Bottom_Feeder
I've been looking at battery size upgrades on my 2015 Accord with the 51R. I've heard lots of people doing the swap, but does the stock alternator have enough output to charge a larger battery reliably?


I went with a 35 because later in the '12 model run, they switched to them in the 4 cyl. Accord.
A 51 in that application is woefully inadequate.


2012 Honda Accord LX-P 94K
2008 Ford Mustang Pony Package Convertible 17K
2006 Honda Odyssey EX-L 76K
2003 Ford Ranger 3.0 Supercab 113K
Re: 2010 Accord New Battery [Re: Phishin] #4686432
03/06/18 03:20 PM
03/06/18 03:20 PM
Joined: Jun 2004
Posts: 307
Valencia, CA
Richie Offline
Richie  Offline
Joined: Jun 2004
Posts: 307
Valencia, CA
I wish the larger battery would fit in my 2015 Civic. I hate dealing with the inadequate 51R

Re: 2010 Accord New Battery [Re: Bottom_Feeder] #4686473
03/06/18 04:04 PM
03/06/18 04:04 PM
Joined: Apr 2012
Posts: 5,586
MA
Wolf359 Offline
Wolf359  Offline
Joined: Apr 2012
Posts: 5,586
MA
Originally Posted By: Bottom_Feeder
I've been looking at battery size upgrades on my 2015 Accord with the 51R. I've heard lots of people doing the swap, but does the stock alternator have enough output to charge a larger battery reliably?


The size of the battery should have no effect on the alternator. The output stays the same, it just takes longer to fully charge it if it's dead. Otherwise if the load is the same, it wouldn't even notice. The larger battery just means you have a longer reserve time and maybe the larger battery is better made or because it has more of a reserve, doesn't get drained as much and hence last longer because the more you drain a battery, the shorter the life.

Re: 2010 Accord New Battery [Re: Wolf359] #4686521
03/06/18 04:59 PM
03/06/18 04:59 PM
Joined: Nov 2013
Posts: 1,950
Chicago, IL
EdwardC Offline
EdwardC  Offline
Joined: Nov 2013
Posts: 1,950
Chicago, IL
Nice work, Phishin! I did the same 24F upgrade in my 51R equipped Element. 4th year on that battery, doing great.


Originally Posted By: Wolf359
Originally Posted By: Bottom_Feeder
I've been looking at battery size upgrades on my 2015 Accord with the 51R. I've heard lots of people doing the swap, but does the stock alternator have enough output to charge a larger battery reliably?


The size of the battery should have no effect on the alternator. The output stays the same, it just takes longer to fully charge it if it's dead. Otherwise if the load is the same, it wouldn't even notice. The larger battery just means you have a longer reserve time and maybe the larger battery is better made or because it has more of a reserve, doesn't get drained as much and hence last longer because the more you drain a battery, the shorter the life.


Yep, very few downsides to a larger battery. Weight is one. I guess technically, if you happened to totally drain your battery, the alternator will have to work harder to fully recharge a larger battery compared to a smaller one, but that's not generally good for the alternator even with the smaller OEM sized battery - you should top it off with a separate charger.

Re: 2010 Accord New Battery [Re: Phishin] #4686587
03/06/18 06:07 PM
03/06/18 06:07 PM
Joined: Mar 2004
Posts: 21,115
Upstate NY
Donald Online content
Donald  Online Content
Joined: Mar 2004
Posts: 21,115
Upstate NY
More CCA in same footprint is not always good. Typically more CCA in same footprint means weaker plates.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 2010 Accord New Battery [Re: Phishin] #4686656
03/06/18 06:54 PM
03/06/18 06:54 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline
ford46guy  Offline
Joined: Jun 2013
Posts: 525
Albany, NY
Originally Posted By: Phishin
The original OEM Panasonic was replaced 4 years ago with another OEM battery by Honda (covered under warranty).

This second battery has been getting sluggish lately. I put it on a charger this week, but this morning, she wouldn't start. So I took out the anemic OEM 51R battery (400 CCA's) on my lunch break
and purchased a bigger (24F) East Penn/Deka battery (Napa Legend Premium....725 CCA's). I only buy East Penn batteries. This thing comes with a 7 year warranty.

I'll install it later tonight when I get home from work.



The Walmart Everstarts are exactly the same. No more Johnson Controls.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
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11 GS350 90K PP HM 5W30
Re: 2010 Accord New Battery [Re: Phishin] #4686661
03/06/18 06:57 PM
03/06/18 06:57 PM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
Is there a list somewhere of who sells what batteries? I was told that O’Rileys is East Penn, NAPA is east Penn, but Walmart and optima and Bosch were all Johnson Controls

Last edited by SilverFusion2010; 03/06/18 06:58 PM.

2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: 2010 Accord New Battery [Re: Donald] #4686686
03/06/18 07:13 PM
03/06/18 07:13 PM
Joined: Mar 2015
Posts: 5,420
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,420
Virginia
Not always true Donald...

Especially in this circumstance. Where a quite small group 51r battery was once located. A much larger group 24f in the same place makes this a different situation all together. It is not like a group 51r and 24f are all that close in size and weight. Much more weight and size with that group 24f.

In my car I can get a group 24f in my battery space. But the East Penn group 24f weighs 42 plus pounds. The group 35 weighs 35.5 pounds. A 51r I bet weighs less than 33 pounds or less.

Last edited by bbhero; 03/06/18 07:17 PM.

Nissan Altima 3.5 Coupe
Mobil Super 5w30 Wix 57356
"Treat your family like your friends and treat your friends like your family."
Re: 2010 Accord New Battery [Re: Phishin] #4686798
03/06/18 08:31 PM
03/06/18 08:31 PM
Joined: Feb 2013
Posts: 448
Ontario,Canada
Roob Offline
Roob  Offline
Joined: Feb 2013
Posts: 448
Ontario,Canada
I looked at possibly doing this for my 07 Accord., went with the stock 51r a few years ago.
The cars been to the Sioux, North bay (to name a few) sitting for a few days in extreme cold, -30-40c..
Starting has been slower but the car starts reliably every time.
I figure if it can start reliably in those conditions, a larger, heavier and more expensive battery for me, is not needed.
Others needs may vary though.


2007 Accord Coupe 2.4 Vtec.
M1 ep 0W20 Fram TG
VMaxlife+ LG Platinum
Continental winter Si and steelies.
Re: 2010 Accord New Battery [Re: Phishin] #4686816
03/06/18 08:41 PM
03/06/18 08:41 PM
Joined: Jan 2009
Posts: 6,521
New England
gathermewool Offline
gathermewool  Offline
Joined: Jan 2009
Posts: 6,521
New England
I know East Penn batteries review well (both on here and places like Consumer Reports), but I don't like the idea of not being able to inspect the electrolyte level. I purchased one of these when I sold my Civic to a family member, but that's because he likely won't ever check the level, anyway.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
Re: 2010 Accord New Battery [Re: gathermewool] #4686830
03/06/18 08:49 PM
03/06/18 08:49 PM
Joined: Oct 2015
Posts: 228
OH
Chewie Offline
Chewie  Offline
Joined: Oct 2015
Posts: 228
OH
Originally Posted By: gathermewool
I know East Penn batteries review well (both on here and places like Consumer Reports), but I don't like the idea of not being able to inspect the electrolyte level.


Don't have any personal experience with the battery in the photo, but it looks like that top panel with the "NAPA Legend" sticker is removal to allow people to check the electrolyte level.


2002 Lexus GS300 | 2JZ-GE | M1 HM 10W-40 | XG3600
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