The Odyssey ODP-ACE27M is a battery pack with a nominal voltage of 12 V, 85 Ah at the 20-hour rate, a reserve capacity of 182 minutes and a weight of 59.70 lbs.
Last updated: 26 October 2026
Battery and charging
- Voltage
- 12 V
- Rated charge cycles
- up to 400 cycles at 80% depth of discharge
- Internal resistance
- 3.8 mΩ
- Cranking current
- 1500 A, 5-second pulse hot cranking amps (PHCA)
- Capacity, at the 20-hour rate
- 85 Ah at the 20-hour rate
- Capacity, at the 10-hour rate
- 79 Ah at the 10-hour rate
- Reserve capacity
- 182 minutes
- Cold cranking amps
- 850 A cold cranking amps (CCA)
- Cranking amps, hot, marine and cold
- 975 A marine cranking amps (MCA)
- Marine hot pulse cranking amps (MHPCA)
- 1375 A marine hot pulse cranking amps (MHPCA)
- Marine pulse cranking amps (MPCA)
- 1125 A marine pulse cranking amps (MPCA)
- Hot cranking amps (HCA)
- 1150 A hot cranking amps (HCA)
“Voltage 12”
Source: odysseybattery.com/products/odp-ace27m-battery
“up to 400 cycles at 80% depth of discharge”
Source: odysseybattery.com/products/odp-ace27m-battery
“Internal Resistance (mΩ) 3.8”
Source: odysseybattery.com/products/odp-ace27m-battery
“Pulse (5 second) Hot Cranking Amps (PHCA) 1500”
Source: odysseybattery.com/products/odp-ace27m-battery
“20Hr Nominal Capacity (Ah) 85”
Source: odysseybattery.com/products/odp-ace27m-battery
“10Hr Nominal Capacity (Ah) 79”
Source: odysseybattery.com/products/odp-ace27m-battery
“Reserve Capacity Minutes 182”
Source: odysseybattery.com/products/odp-ace27m-battery
“Cold Cranking Amps (CCA) 850”
Source: odysseybattery.com/products/odp-ace27m-battery
“MCA 975”
Source: odysseybattery.com/products/odp-ace27m-battery
“MHPCA 1375”
Source: odysseybattery.com/products/odp-ace27m-battery
“MPCA 1125”
Source: odysseybattery.com/products/odp-ace27m-battery
“HCA 1150”
Source: odysseybattery.com/products/odp-ace27m-battery
Battery care and safety
- Operating temperature range
- -40°F / -40°C to 140°F / +60°C
- Temperatures it may be stored in
- Optimum storage temperature 68°F / +20°C
- Short-circuit current
- 2400 A
“Operating Temperature Range -40°F / -40°C to 140°F / +60°C”
Source: odysseybattery.com/products/odp-ace27m-battery
“Optimum Storage Temperature 68°F / +20°C”
Source: odysseybattery.com/products/odp-ace27m-battery
“Short Circuit (A) 2400”
Source: odysseybattery.com/products/odp-ace27m-battery
Size and fit
- Overall dimensions
- 12.50 in x 6.80 in x 8.80 in (container 8.20 in)
- Torque for the battery terminal nuts
- 200 (22.6)/100 (11.3) studs only
- Terminals
- SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.)
- Stated weight
- 59.70 lbs
“Length 12.50 in Width 6.80 in Height (terminals included) 8.80 in Height (container) 8.20 in”
Source: odysseybattery.com/products/odp-ace27m-battery
“Torque Spec in-lbs (Nm max) 200 (22.6)/100 (11.3) studs only”
Source: odysseybattery.com/products/odp-ace27m-battery
“Terminal SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.)”
Source: odysseybattery.com/products/odp-ace27m-battery
“Weight 59.70 lbs”
Source: odysseybattery.com/products/odp-ace27m-battery
Identity
- What its maker sells it for
- massive starting power and deep cycling capability
- UPC
- 635241140668
“offers massive starting power and deep cycling capability”
Source: odysseybattery.com/products/odp-ace27m-battery
“UPC 635241140668”
Source: odysseybattery.com/products/odp-ace27m-battery
Sources
- Archived document
Source: odysseybattery.com/products/odp-ace27m-battery
Retrieved October 8, 2026