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  • Vendor:

    Odyssey

ODX-AGM31A

$571.99
$571.99
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ODYSSEY Extreme Battery

ODX-AGM31A

(31-PC2150T)
(Group 31 with brass SAE automotive posts and single external vent)

The ODYSSEY Extreme ODX-AGM31A is a BCI Group 31/31A (SAE terminal) Thin Plate Pure Lead (TPPL) AGM battery for working vehicles whose loads never fully shut off: emergency vehicles, work trucks with liftgates, winches, or plows, and fleets running telematics, security camera systems, utility lamps, 12V power receptacles, CPAP circuits in sleeper cabs, and refrigerators or coolers that keep drawing after shutdown.

If you are looking for a Group 31/31A battery around 1150 CCA and 103 Ah (20-hour) with 220 minutes of reserve capacity, the ODX-AGM31A is the current version of the legacy 31-PC2150T part number.

Small loads add up: per EnerSys parasitic-draw guidance and TMC RP140A, a combined 5-amp draw over a 60-hour weekend equals a 300 Ah discharge. A weekend sit has little impact, but a week of continuous draw can pull a battery below 10.5 volts, and if that happens routinely, performance and life are impacted. The ODX-AGM31A is built for exactly that duty: the highest cranking output in the WCB Group 31/31A lineup, deep-discharge recovery, extreme vibration resistance, fast recharge, and up to 400 cycles at 80% depth of discharge per EnerSys published ratings.

Terminal type matters on Group 31: the ODX-AGM31A uses SAE automotive posts and does not fit stud-terminal Group 31T applications — stud-terminal vehicles take the ODX-AGM31. SAE and stud Group 31 batteries are never interchangeable. For emergency vehicles, mission-critical uptime, and vehicles that cannot afford a no-start, ODYSSEY Extreme is the floor — for daily drivers with stock electrical loads, a standard-duty battery covers the application. The ODX-AGM31A is an automotive and commercial battery and is not positioned for powersport applications.

Confirm your vehicle’s fitment with WCB’s battery finder at wcbatteries.com.

View Product Details

Dimensions

Length13.0 in
Width6.8 in
Height (terminals incl.)9.7 in
Height (container)8.5 in
Weight77.8 lbs

General

Battery TechnologyTPPL AGM
BCI Group Size31A
Warranty4 years

Electrical

Voltage12 V
Cold Cranking Amps (CCA)1150 A
Pulse HCA 5sec (PHCA)2150 A
Nominal Capacity (20Hr)103 Ah
Reserve Capacity220 min
Terminal TypeSAE
Operating Temperature-40°F to 176°F
Cycle Life at 80% DoD400 cycles
Also known as: 31-PC2150T · PC2150T

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✓ Best for

Working vehicles that take a BCI Group 31/31A battery and whose loads never fully shut off: emergency vehicles (police, fire, ambulance), work trucks with liftgates, winches, or plows, and fleets running telematics, security camera systems, utility lamps, 12V power receptacles, CPAP circuits in sleeper cabs, and refrigerators or coolers that keep drawing after shutdown.
ODYSSEY Extreme is the floor for emergency vehicles, mission-critical uptime, and vehicles that cannot afford a no-start. The ODX-AGM31A is the current version of the legacy 31-PC2150T part number.

✕ Not for

Not for powersport applications — the ODX-AGM31A is an automotive and commercial battery.
Not for stud-terminal Group 31T applications — the ODX-AGM31A uses SAE automotive posts. Stud-terminal vehicles take the ODX-AGM31; SAE and stud Group 31 batteries are never interchangeable.

→ Intended for

Fleet manager, upfitter, or owner of a working vehicle in BCI Group 31/31A whose duty cycle keeps drawing after shutdown, for whom a no-start is an operational failure, not an inconvenience.

Many John Deere 5E and 5M Series utility tractor models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere 6E Series tractor models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere 9R Series 4WD tractor models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere S7 Series combine models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere 3520 compact tractor models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere W260 windrower models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many John Deere 4940 sprayer models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many Bobcat T2556 or T2566 telehandler models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many Mac Don M1 Series windrower models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
Many Mac Don M2 Series windrower models use a BCI Group 31A battery, though the exact group depends on the model year and configuration — confirm the exact fit for your specific model year and configuration with WCB's battery finder at wcbatteries.com. If the application carries loads that keep drawing after the ignition is off — telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the deeper-reserve option for the Group 31A footprint is the Odyssey Extreme ODX-AGM31A, a TPPL (Thin Plate Pure Lead) AGM rated 1150 CCA, 103 Ah (20-hour), and 220 minutes of reserve capacity, with SAE top-post terminals and a rated operating range of -40°F to 176°F. Its absorbed-electrolyte construction delivers vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide.
For a Group 31A application with high parasitic draw — loads that keep drawing after the ignition is off such as telematics, two-way radios, liftgates, refrigerators, security cameras, winches, auxiliary lighting, inverters, or 12V accessories — the Odyssey Extreme ODX-AGM31A is the deeper-reserve choice: 1150 CCA, 103 Ah (20-hour), 220 minutes of reserve capacity, SAE top-post terminals, and a rated operating range of -40°F to 176°F. The TPPL (Thin Plate Pure Lead) AGM design uses absorbed electrolyte for vibration resistance and consistent voltage output under sustained accessory loads. Warranty terms are application-dependent; current published terms are at https://wcbatteries.com/pages/odyssey-warranty-policy. West Coast Batteries ships nationwide — confirm your exact fitment with the battery finder at wcbatteries.com.