Group 73 Battery Dimensions
Battery Design |
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Dimensions and Sizes (Length x Width x Height) |
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9.0625'' x 7.0625'' x 8.5'' Inches 230 x 179 x 216 Millimeters |
Group 73 Battery Post Terminals
Post Terminal Types and Locations | Posts Used |
---|---|
Type "S" or manufacturer's custom post design |
Group 73 Battery Voltage and Current Characteristics
Volts | Cells | CCA Range |
---|---|---|
12 | 6 | 425-500 |
Group 73 Alternatives and Closest Battery Groups by Dimensions
There are no direct interchangeable alternatives for group 73 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.
Similar Battery Groups With the Same Length, Width and Voltage
These dimensions will fit you in 99% of cases when you want to use a different battery group instead of a 73 battery since most battery compartments have a height margin and strict limitations on height and width only, which match batteries in the table below. Please check the battery compartment before you buy a battery from this group.
Battery Group Number | Dimensions | Shape | Volts | Cells | Post Terminal Type |
---|---|---|---|---|---|
Group 73 Battery | 9.0625'' x 7.0625'' x 8.5'' in. 230 x 179 x 216 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 72 Battery | 9.0625'' x 7.0625'' x 8.25'' in. 230 x 179 x 210 mm |
12 | 6 | "S" |
Closest but not Identical Size Battery Groups
Battery groups in this section below are not identical to the group 73 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 73 group.
Battery Group Number | Dimensions | Shape | Volts | Cells | Post Terminal Type |
---|---|---|---|---|---|
Group 73 Battery | 9.0625'' x 7.0625'' x 8.5'' in. 230 x 179 x 216 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" | |
Group 62 Battery | 8.875'' x 6.375'' x 8.875'' in. 225 x 162 x 225 mm |
12 | 6 | "A" | |
Group 121R Battery | 8.25'' x 7'' x 8.5'' in. 208 x 177 x 215 mm Positive post on the Right |
12 | 6 | "A" | |
Group 71 Battery | 8.1875'' x 7.0625'' x 8.5'' in. 208 x 179 x 216 mm |
12 | 6 | "S" | |
Group 70 Battery | 8.1875'' x 7.0625'' x 7.3125'' in. 208 x 180 x 186 mm |
12 | 6 | "S" | |
Group 21R Battery | 8.1875'' x 6.8125'' x 8.75'' in. 208 x 173 x 222 mm Positive post on the Right |
12 | 6 | "A", "A2" | |
Group 21 Battery | 8.1875'' x 6.8125'' x 8.75'' in. 208 x 173 x 222 mm |
12 | 6 | "A", "A2" | |
Group 26R Battery | 8.1875'' x 6.8125'' x 7.75'' in. 208 x 173 x 197 mm Positive post on the Right |
12 | 6 | "A" | |
Group 26 Battery | 8.1875'' x 6.8125'' x 7.75'' in. 208 x 173 x 197 mm |
12 | 6 | "A", "A2" | |
Group 140R Battery | 8.125'' x 6.9375'' x 7.5'' in. 207 x 175 x 190 mm Positive post on the Right |
12 | 6 | "A" | |
Group 99R Battery | 8.125'' x 6.9375'' x 6.9375'' in. 207 x 175 x 175 mm Positive post on the Right |
12 | 6 | "A1" | |
Group 99 Battery | 8.125'' x 6.9375'' x 6.9375'' in. 207 x 175 x 175 mm |
12 | 6 | "A1" |
Closest Large Dimensions
Bigger batteries can have more capacity and power compared to 73 batteries.
Battery Group Number | Dimensions | Shape | Volts | Cells | Post Terminal Type |
---|---|---|---|---|---|
Group 73 Battery | 9.0625'' x 7.0625'' x 8.5'' in. 230 x 179 x 216 mm |
12 | 6 | "S" | |
Group 58 Battery | 10.0625'' x 7.1875'' x 6.9375'' in. 255 x 183 x 177 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 59 Battery | 10.0625'' x 7.6875'' x 7.75'' in. 255 x 193 x 196 mm |
12 | 6 | "A" | |
Group 78 Battery | 10.25'' x 7.0625'' x 7.3125'' in. 260 x 180 x 186 mm |
12 | 6 | "S" | |
Group 100 Battery | 10.25'' x 7.0625'' x 7.375'' in. 260 x 179 x 188 mm |
12 | 6 | "S" | |
Group 74 Battery | 10.25'' x 7.25'' x 8.75'' in. 260 x 184 x 222 mm |
12 | 6 | "S" | |
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" |
How to Get 24 Volts from 12V of a 73 Battery Group
If you need 24 Volts, you can connect two group 73 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 73 Batteries with a Parallel Connection
If you need to increase current capacity and reduce charging time, connect batteries in parallel. When group 73 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.
ArrayEric Strong works in the automotive repair industry more than 12 years. His work included repairing electrical systems in various vehicle systems. A hybrid electric car battery replacement experience expanded his understanding of automotive battery technology.
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