Gbody Esprit Battery Size? - LotusTalk - The Lotus Cars Community
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post #1 of 4 (permalink) Old 04-23-2011, 03:53 AM Thread Starter
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Gbody Esprit Battery Size?

Hi member and just picked up my Esprit yesterday... it's an 84 Esprit GBody...extremely happy to have a G body Esprit in the family to go along with a '73 Europa that was a restoration project for many years and completed some time ago.

Of course I told myself I would never buy another Lotus project, but sometimes you get the Lotus bug and it's a disease for life!
Regardless, even though the Esprit is in good shape, I have some work to do coming up!

The car's been sitting a while and the battery is very old...does anyone know the proper size battery for this car? There's some generic Group 26 battery in there now.

I checked a few sites and the only one that showed any battery suggestions was a Batteries Plus site which showed Group 24... not usually my source for battery details, but all my usually sites like interstate and others just showed "none"...

Thanks all...
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post #2 of 4 (permalink) Old 04-23-2011, 05:19 AM
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Here is exactly whats in my '87 Turbo which takes the same battery as you:

CA = 1000 (at 32)
CCA = 850 (at 0)
L-10", W-7", H-7.5"
Group Size = 78DT
Type = 78DT-72

I bolded the dimensions since thats important to fit in the space provided. Hope this helps.

Page 65, Section LD - what ya wanna know?
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post #3 of 4 (permalink) Old 04-23-2011, 04:48 PM Thread Starter
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Thanks for the quick info - big help, gives me an idea of what should be in there. Surprised I wasn't running across dozens of 'which battery should I get' threads or seeing in parts references someplace...

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post #4 of 4 (permalink) Old 09-04-2019, 06:36 PM
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Location: Far from another Esprit.....
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BCI groups

Doing a bit of battery shopping for my '85 Turbo Esprit, guessing this would cover 83-87 G-cars?

BCI group 86; 9.1Lx 6.8Wx 8H 690CCA
Seems to be the max CCA to fit in my ~10x7.5x8" trunk battery box

Slightly smaller for less capacity-

BCI 58; 10.1L x 7.2W x 6.9H 580CCA

BCI 26; 8.2L x 6.8 x 7.8H, but only 540CCA. It was in the car in 2011 when I got it, still starts it but not much reserve left.

A BCI 78 comes up as a side terminal for me and 10.3"L so check dimensions if you try that one.

Standard batteries listed, premium ones should claim higher capacities, your CCA may vary.

1985 BRG Turbo Esprit
Chargecooled w/Megasquirt EFI
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