Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M, red battery, top view with terminals
Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M (31M-PC2150), red case, angled top view showing terminals
Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M (31M-PC2150), red case, front view of Extreme label
Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M, red battery, top view with terminals
Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M (31M-PC2150), red case, angled top view showing terminals
Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M (31M-PC2150), red case, front view of Extreme label

Odyssey Extreme Series Marine Dual Purpose AGM Battery ODX-AGM31M (31M-PC2150) - Group 31M, 1150 CCA

Odyssey Battery SKU: ODYODX-AGM31M
Price
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Details

BrandOdyssey Battery
SKUODYODX-AGM31M
GTIN / UPC635241140675
Manufacturer Part NumberODX-AGM31M

Product Information

The ODX-AGM31M (31M-PC2150) is a Group 31M marine dual purpose battery from the Odyssey Extreme Series, built with pure lead plates for both starting power and deep cycling. It is rated at 1150 CCA and 2150 PHCA (5 second pulse), holds 103 Ah (20 hr) and delivers 220 minutes of reserve capacity, with a rating of up to 400 cycles at 80% depth of discharge. The sealed, non-spillable case measures 13 x 6.8 x 9.9 in and weighs 77.8 lb, with brass SAE posts plus a 3/8 in positive stud and 5/16 in negative stud. Operating range is -40°F to 176°F.

Specifications

Type AGM Battery (Non-spillable), marine dual purpose
Series Extreme Series
BCI Group Size 31M (marine)
Voltage 12V
CCA 1150
HCA 1545
MCA 1370
PHCA (5 second pulse) 2150
MHPCA / MPCA 1950 / 1625
Reserve Capacity 220 minutes
Capacity 103 Ah (20 hr), 98 Ah (10 hr)
Terminal Type SAE posts plus 3/8-16 in stud (positive) and 5/16-18 in stud (negative)
Terminal Layout SAE posts plus positive and negative studs (layout E)
Terminal Torque 200 in-lb (22.6 Nm) max positive stud, 100 in-lb (11.3 Nm) max negative stud
Dimensions 13 x 6.8 x 9.9 in (330 x 173 x 251 mm), L x W x H including terminals
Weight 77.8 lb (35.3 kg)
Internal Resistance 2.2 mΩ
Operating Temperature -40°F to 176°F (-40°C to 80°C)
Cycle Life Up to 400 cycles at 80% depth of discharge
Hold-Down Accepts the Odyssey HK-PC2150 brushed aluminum hold-down kit (batteries without a metal jacket)
Quantity 1
Warranty Limited 3 year (North America)
Part Number ODX-AGM31M (legacy 31M-PC2150, 31M-PC2150ST)

Documents: Installation, Operation and Maintenance Manual (PDF) | 3D CAD Files (ZIP)

Will this battery fit my vehicle?

  • Match the group size printed on your current battery (Group 31M), then confirm the dimensions (13 x 6.8 x 9.9 in), the terminal layout (SAE posts with marine studs) and the hold-down against this listing.

What warranty does it carry?

  • A limited 3 year warranty in North America, one year less than the standard term because it is a marine model. Warranty claims require battery test results from a local auto parts store.

What charger should I use?

  • For maintenance or trickle charging, use a charger with regulated output between 13.5V and 13.8V. Unregulated trickle chargers cause early battery failure.

Is there a hold-down kit for this battery?

  • Yes. The Odyssey HK-PC2150 brushed aluminum hold-down kit fits this battery. Hold-down kits fit only batteries without a metal jacket.

How deep can it be cycled?

  • It is rated for up to 400 cycles at 80% depth of discharge.

Shipping

  • In stock orders typically ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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