Group 36R Battery Dimensions, Equivalents, Compatible Alternatives (2024)

Group 36R Battery Dimensions

Battery of this group has the positive post terminal located on the right. It is marked with the letter "R" because this post terminal position is called Reverse Polarity of Battery. Most batteries have it on the left side. If you want the positive post terminal to be on the left, you can turn around the 36R battery and use it as a group 36 battery, because they have identical dimensions. This will allow you to use the positive post on the left. Make sure you have enough cable length to reach the terminals, because in the turned position the terminals can be located a little further.

Battery Design

Group 36R Battery Post Terminals

Post Terminal Types and Locations	Posts Used
	Type "A" or manufacturer's custom post design

Group 36R Battery Voltage and Current Characteristics

Best Group 36R Batteries

List of recommended batteries

Good Choice

EverStart Plus Lead Acid Automotive Battery, Group Size 36R Cold Cranking Amps (CCA): 650, Battery Group: 36R Type: Lead-Acid Warranty: 24 months Check Price

Check Price

Group 36R Alternatives and Closest Battery Groups by Dimensions

There are no direct interchangeable alternatives for group 36R battery if we speak about dimensions, but if your battery space hasn't strict limits, you can choose a little bigger or smaller battery group. If your battery compartment cannot accommodate a larger battery, you can choose a smaller one. In both cases, you must securely fasten your new battery with a battery holder. If your battery holder can't hold the alternative battery group, you can buy a universal battery holder to fit in different types of batteries.

Closest but not Identical Size Battery Groups

Battery groups in this section below are not identical to the group 36R battery, they can be a little bigger or smaller. Please pay attention to the post terminal types and their location

Closest Groups that Have Slightly Smaller Dimensions

Smaller batteries can have less capacity, performance, and power in comparison with 36R group.

Battery Group Number	Dimensions	Shape	Volts	Cells	Post Terminal Type
Group 36R Battery	10.375'' x 7.1875'' x 8.125'' in. 263 x 183 x 206 mm Positive post on the Right		12	6	"A"
Group 124R Battery	10.375'' x 7'' x 8.625'' in. 262 x 177 x 218 mm Positive post on the Right		12	6	"A"
Group 100 Battery	10.25'' x 7.0625'' x 7.375'' in. 260 x 179 x 188 mm		12	6	"S"
Group 78 Battery	10.25'' x 7.0625'' x 7.3125'' in. 260 x 180 x 186 mm		12	6	"S"
Group 101 Battery	10.25'' x 7.0625'' x 6.6875'' in. 260 x 179 x 170 mm		12	6	"S"
Group 24T Battery	10.25'' x 6.8125'' x 9.75'' in. 260 x 173 x 248 mm		12	6	"A"
Group 28 Battery	10.25'' x 6.8125'' x 9.4375'' in. 261 x 173 x 240 mm		12	6	"T"
Group 24H Battery	10.25'' x 6.8125'' x 9.375'' in. 260 x 173 x 238 mm		12	6	"A"
Group 24R Battery	10.25'' x 6.8125'' x 9'' in. 260 x 173 x 229 mm Positive post on the Right		12	6	"A", "A2"
Group 24 Battery	10.25'' x 6.8125'' x 8.875'' in. 260 x 173 x 225 mm		12	6	"A", "A2"
Group 34R Battery	10.25'' x 6.8125'' x 7.875'' in. 260 x 173 x 200 mm Positive post on the Right		12	6	"A"
Group 34 Battery	10.25'' x 6.8125'' x 7.875'' in. 260 x 173 x 200 mm		12	6	"A"
Group 63 Battery	10.1875'' x 6.375'' x 8.875'' in. 258 x 162 x 225 mm		12	6	"A"
Group 58R Battery	10.0625'' x 7.1875'' x 6.9375'' in. 255 x 183 x 177 mm Positive post on the Right		12	6	"A"
Group 58 Battery	10.0625'' x 7.1875'' x 6.9375'' in. 255 x 183 x 177 mm		12	6	"A"
Group 97R Battery	9.9375'' x 6.9375'' x 7.5'' in. 252 x 175 x 190 mm Positive post on the Right		12	6	"A1", "A2"
Group 47 Battery	9.5625'' x 6.9375'' x 7.5'' in. 242 x 175 x 190 mm		12	6	"A", "A1", "F"
Group 90 Battery	9.5625'' x 6.9375'' x 6.9375'' in. 242 x 175 x 175 mm		12	6	"A1", "A2"
Group 42 Battery	9.5625'' x 6.9375'' x 6.9375'' in. 242 x 175 x 175 mm		12	6	"A", "A1"
Group 22HF Battery	9.5'' x 6.9375'' x 9'' in. 241 x 175 x 229 mm		12	6	"A"
Group 22F Battery	9.5'' x 6.9375'' x 8.3125'' in. 241 x 175 x 211 mm		12	6	"A"
Group 96R Battery	9.5'' x 6.9375'' x 6.9375'' in. 242 x 175 x 175 mm Positive post on the Right		12	6	"A", "A1"
Group 67R Battery	9.125'' x 6.9375'' x 6.9375'' in. 231 x 175 x 176 mm Positive post on the Right		12	6	"A"
Group 73 Battery	9.0625'' x 7.0625'' x 8.5'' in. 230 x 179 x 216 mm		12	6	"S"
Group 72 Battery	9.0625'' x 7.0625'' x 8.25'' in. 230 x 179 x 210 mm		12	6	"S"
Group 75 Battery	9.0625'' x 7.0625'' x 7.3125'' in. 230 x 180 x 186 mm		12	6	"S"
Group 35 Battery	9.0625'' x 6.9375'' x 8.875'' in. 230 x 175 x 225 mm		12	6	"A", "A2"
Group 25 Battery	9.0625'' x 6.9375'' x 8.875'' in. 230 x 175 x 225 mm		12	6	"A", "A2"
Group 86 Battery	9.0625'' x 6.8125'' x 8'' in. 230 x 173 x 203 mm		12	6	"A"
Group 85 Battery	9.0625'' x 6.8125'' x 8'' in. 230 x 173 x 203 mm		12	6	"A"

Closest Large Dimensions

Bigger batteries can have more capacity and power compared to 36R batteries.

Battery Group Number	Dimensions	Shape	Volts	Cells	Post Terminal Type
Group 36R Battery	10.375'' x 7.1875'' x 8.125'' in. 263 x 183 x 206 mm Positive post on the Right		12	6	"A"
Group 6T Battery	11.25'' x 10.5'' x 9.0625'' in. 286 x 267 x 230 mm		12	6	"A"
Group 77 Battery	12.0625'' x 7.25'' x 8.75'' in. 306 x 184 x 222 mm		12	6	"A"
Group 65 Battery	12.0625'' x 7.5625'' x 7.5625'' in. 306 x 192 x 192 mm		12	6	"A"
Group 66 Battery	12.0625'' x 7.5625'' x 7.6875'' in. 306 x 192 x 194 mm		12	6	"A"

How to Get 24 Volts from 12V of a 36R Battery Group

If you need 24 Volts, you can connect two group 36R batteries in series to double the voltage. The voltage of a series connection is equal to the sum of the voltages of all its batteries. If one 12V lead-acid battery is connected to another 12V lead-acid battery, you have 24V total power output. Each battery must be fully charged and completely isolated from the other before connecting them in series, or there will be damage to at least one of them.

Increasing a Capacity of 36R Batteries with a Parallel Connection

If you need to increase current capacity and reduce charging time, connect batteries in parallel. When group 36R batteries are in parallel, their voltage is equal to the voltage of one battery, while current capacity equals to the sum of all its battery capacities. If you have two 12V lead-acid batteries with 60 Ah capacity and you connect them in parallel, you'll get 12 Volts with 120 Ah.