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12 Volt Battery Replacement for R33 and R34

Sean Morris Posted on March 10, 2020

 

R33 and R34 GT-R battery
This R33 GT-R had a pretty serious fuel system, two Bosch 044 pumps, two big filters, a surge tank, three relays. Optima yellow top battery


The R32 GT-R had the battery in the left front, in the R33 and then the R34 the battery was located in the trunk, above the fuel tank bulkhead.  It is left rear side, and there is a fuse/relay box that is close by/attached.

Like the R32 battery, the R33 and R34 batteries use a small terminal or JIS terminal.  You can find JIS terminal batteries in Japan easily, but in the US it is difficult and a little limiting. So terminal adapters are available, or you can swap terminals.  More information on batteries, terminals, and sizes that fit an R32. 

OEM R33 2 door battery - AYBGL-LAB20

OEM R33 2 door hold down -24420-M7800

OEM R33 2 door rod x 2 - 24425-30R00

R32, R33, and R34 use a JIS Pencil post battery terminal. 


Where is the battery?  It is here, trust us.


Aftermarket


60B19R

SLA-B20

So what can you get in the US that works(R32 height, requires new battery rods)?

Brand Part Number Terminal CCA Weight L H W
OEM R32 40BR19 JIS 340 20 lbs 7.25 7.75 5
Bosch S46B24R JIS 530 29 lbs 9.312 8.5 4.94
Exide FP-AGM51JIS JIS 440 33 lbs 9.3 8.5 4.9
Optima 8171-767 JIS 575 26 10 9 5
Optma 8025-160 SAE 720 32 lb 10.5 7.75 6.8
Odyssey PC680 None 170 13.5 7.2 7.5 3.1
               



An Odyssey PC680.  Small battery. They are more for motorsports type applications. They really need to be left on a tender. They don't have a lot of reserve capacity. Once you kill them once, I've never been able to bring them back to life.  Still loses about 5 lbs compared to a stock size battery. Plus there are correct terminals available. Prices aren't horrible.

SPECIFICATIONS
Pulse (5-second) Hot Cranking Amps (PHCA) 520
Cold Cranking Amps (CCA) 170
20Hr Nominal Capacity (Ah) 16
Reserve Capacity Minutes 24
Dimensions L x W x H (in) 7.15 x 3.00 x 6.65
Metric Dimensions L x W x H (mm) 181.5 x 76.3 x 167.8
Weight (lbs) 15.4
Weight (kg) 7


These guys have the Japanese JIS terminals that screw into an Odyssey battery.



Bosch

Available from Pep Boys

https://www.pepboys.com/product/details/647478/00616

LENGTH (IN.)
9.312
WIDTH (IN.)
4.937

 

HEIGHT (IN.)
8.5



S46B24R batteries aka Prius batteries with JIS terminals
Exide Edge AGM

 

Brand Exide
Model FP-AGM51JIS
Item Weight 32.9 pounds
Product Dimensions 9.3 x 4.9 x 8.5 inches
Origin USA


Optima Yellow Top - Prius replacement

This battery has the small JIS terminals and fits well in a Nissan Skyline GT-R.  5 lbs less than the red top 25 series battery. Part # 8171-767

 

 
Optima 8171-767 Battery in an R32 GT-R

Performance Data

Nominal Voltage: 12 volts
Open Circuit Voltage (fully charged): 13.1 volts
Internal Resistance (fully charged): 0.0046 ohms
Capacity: 38 Ah (C/20)
Reserve Capacity: BCI: 66 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)

Physical Characteristics

Plate Design:
High purity lead-tin alloy. Wound cell configuration utilizing proprietary
SPIRALCELL TECHNOLOGY®.
Electrolyte:
Sulfuric acid, H2SO4
Case: Polypropylene
Case Color: Light Gray
Cover Color: “OPTIMA“ Yellow
Group Size: JIS: 46B24R
Weight: 26 lb
Length: 9.272 in
Width: 5.024 in
Height: 8.885 in

Power

CCA (BCI 0°F): 450 amps
MCA (BCI 32°F): 575 amps


Optima Red Top

This will last longer, but the car will gain some weight on the nose.  About an 11 lb gain. SAE terminals. Stock is JIS size.

Battery Model: 25
Part Number: 8025-160
NSN: Number applied for, product currently available
UPC Code: 8 11405 00160 4

Performance Data

Cold Cranking Amps: 720
Cranking Amps: 910
Nominal Voltage: 12 volts
Open Circuit Voltage (fully charged): 12.8 volts
Internal Resistance (fully charged): 0.0030 ohms
Capacity: 44 Ah (C/20)
Reserve Capacity: BCI: 100 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)

Physical Characteristics

Plate Design:
High purity lead-tin alloy.  Wound cell configuration utilizing proprietary
SPIRALCELL TECHNOLOGY®.
Electrolyte:
Sulfuric acid, H2SO4
Case: Polypropylene
Case Color: Dark Gray
Cover Color: “OPTIMA“ Red
Group Size: BCI: 25
Post Type: SAE Post
Weight: 31.7 lb
Length: 9.38
Width: 6.75
Height: 7.69

 

 
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