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> 914-4 AGM Battery, Proper Fit
atomicscott
post May 20 2019, 09:42 PM
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There was discussion about the best agm battery to use in a 914-4. Someone mentioned the Optima Red Top 34R being a good choice, but their website says that this battery will not fit. Can anyone advise what AGM battery they have used in their 914 with no fit problem? Thank you for your help!
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mtndawg
post May 20 2019, 10:50 PM
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I just put in an odyssey with Patrick motor sports hold down. Looks really nice and fits perfectly.
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oakdalecurtis
post May 20 2019, 10:55 PM
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I use the 34r with no problems, fits easily...
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Rand
post May 20 2019, 10:58 PM
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Odyssey PC680 is my favorite. Small, light, works. Next time I buy though, I will be looking at lithium ion. It's getting there for cars, and they are crazy light weight for their power.
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Mark Henry
post May 21 2019, 06:17 AM
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I have a PC 680 in my car not much bigger than a motorcycle battery, only complant is it won't turn over a new engine for break in.
To me a better choice for a DD or every weekend car would be the PC925, still almost half the size and weight of a regular battery.
A full size AGM is overkill.
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windforfun
post May 21 2019, 08:44 AM
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Would someone please post a pic of this AGM battery.
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Mark Henry
post May 21 2019, 08:50 AM
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QUOTE(windforfun @ May 21 2019, 10:44 AM) *

Here's a pic that's not super clear. I used three pieces of tape - 6" long pieces on either side for a nice flush fit & then one long continuous piece centered in the middle.

(IMG:style_emoticons/default/agree.gif) the picture is hard to see. (IMG:style_emoticons/default/biggrin.gif)
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Chi-town
post May 21 2019, 09:26 AM
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QUOTE(windforfun @ May 21 2019, 07:44 AM) *

Would someone please post a pic of this AGM battery.


https://www.odysseybattery.com/Batteries/Model_PC925

You can use the PMS or Rennline battery mount kit.

Optima are junk, they started using recycled lead about 10 years ago and the warranty rate went through roof. I worked at one of the top 3 Optima retailers in the US.
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napasteve
post May 21 2019, 09:47 AM
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Optima 3478 battery fits just fine; battery cutoff switch added to reduce fire risk and add thief deterrent

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windforfun
post May 21 2019, 10:02 AM
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This Optima battery is about ten years old & works just fine. FYI.


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oakdalecurtis
post May 21 2019, 10:19 AM
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34r Red Top (yep, just painted it to match the car...)
Tons of room....

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bbrock
post May 21 2019, 11:22 AM
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Has anyone tried a Group 47 battery in a 914? Same footprint as Group 42 but 15mm taller. I'm guessing it hits the rain tray but curious because Bosch makes an AGM battery in that size.
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914forme
post May 21 2019, 12:16 PM
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(IMG:style_emoticons/default/confused24.gif) You want it for period correct Look?

They make covers for the Optimas Odedessy Even Delco and Deka that make it look like the old lead acids, if you are going period look.

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Tar Topper Make Modren Starting Power look period correct
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bbrock
post May 21 2019, 03:32 PM
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QUOTE(914forme @ May 21 2019, 12:16 PM) *

(IMG:style_emoticons/default/confused24.gif) You want it for period correct Look?


Not necessarily. More just curious about other size options. I do like that Bosch have bottom hold downs molded in though. I'm not crazy about the look or price of the battery hold down kits. Not an issue with Optima I don't think and I have one in my work rig/snow plow that has been bombproof through more than 10 Montana winters, but I've read several places that their quality has gone to (IMG:style_emoticons/default/stromberg.gif)
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porschetub
post May 21 2019, 04:07 PM
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Funny little Chinese Vision AGM still going strong after a long time (4yrs),cheap and only 9lbs,hell @ less than $80 to buy and with that weight you could carry a spare.
Sold as a racecar battery in my country but plenty of cranking power for my six.
I have since built a custom battery tray for it which is future proofed to the next larger size if needs be.
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mepstein
post May 21 2019, 04:12 PM
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QUOTE(bbrock @ May 21 2019, 05:32 PM) *

QUOTE(914forme @ May 21 2019, 12:16 PM) *

(IMG:style_emoticons/default/confused24.gif) You want it for period correct Look?


Not necessarily. More just curious about other size options. I do like that Bosch have bottom hold downs molded in though. I'm not crazy about the look or price of the battery hold down kits. Not an issue with Optima I don't think and I have one in my work rig/snow plow that has been bombproof through more than 10 Montana winters, but I've read several places that their quality has gone to (IMG:style_emoticons/default/stromberg.gif)

I've had good luck with Optima's. I keep it on a battery tender jr. The guys at the shop "borrowed" one of my Optima's to start a car. It was low so they put it on a fast charger set to 11. Blew out a cell in the battery. I think following the directions for the Optima's is really important. I am going to experiment with some ATV lithium batteries since they are super light and seem to work ok. Quick way to loose 30 lbs.
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burton73
post May 21 2019, 04:13 PM
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QUOTE(bbrock @ May 21 2019, 02:32 PM) *

QUOTE(914forme @ May 21 2019, 12:16 PM) *

(IMG:style_emoticons/default/confused24.gif) You want it for period correct Look?


Not necessarily. More just curious about other size options. I do like that Bosch have bottom hold downs molded in though. I'm not crazy about the look or price of the battery hold down kits. Not an issue with Optima I don't think and I have one in my work rig/snow plow that has been bombproof through more than 10 Montana winters, but I've read several places that their quality has gone to (IMG:style_emoticons/default/stromberg.gif)



That was a few years ago. They say at my local distributor it was a bad factory in Mexico and that they have fixed it up now. Just have to cut off a tab that is not needed making the battery case on the base too long by 3/8 or so

They were very good 15 years ago. I put one in my 76 car a few years ago and all good.

Bob B
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porschetub
post May 21 2019, 04:21 PM
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QUOTE(napasteve @ May 22 2019, 03:47 AM) *

Optima 3478 battery fits just fine; battery cutoff switch added to reduce fire risk and add thief deterrent

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I want to add an isolator like that ,is that the standard Hella cutoff switch ?
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napasteve
post May 21 2019, 04:38 PM
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I just bought a cutoff switch from Amazon

https://www.amazon.com/gp/product/B007O0BBF...=UTF8&psc=1

I made the box from a plastic outlet box and cover.
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Cal
post May 21 2019, 06:06 PM
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I'm currently running the Bosch 96R size battery and it fits perfect. I've had it for three years with no issues. It's connected to a battery tender in the off season.



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