Rolls Battery 12 MD 375P
The Rolls Battery 12 MD 375P is a battery pack with a reserve capacity of 900 Minutes and a weight of 229.5 Lbs.
Last updated: 27 October 2026
Battery and charging
- Charging voltage range
- 14.7-15 V/cell @ 25°C (77°F)
- Battery type
- Flooded (table headed MARINE, FLOODED)
- Capacity, at the 20-hour rate
- 20 HR column: 375
- Reserve capacity
- 900 Minutes
- Minutes at 75 A
- 300 Minutes
- Cold cranking amps
- CCA @ -18°C (0°F): 1166
- How fast it loses charge sitting idle
- 5%-10% per month at 25°C (77°F)
- Cranking amps, hot, marine and cold
- MCA @ 0°C (32°F): 1458
Row from the maker’s page: “Charge Voltage Range” | “14.7-15 V/cell @ 25°C (77°F)”
Source: rollsbattery.com/battery/12-md-375p
“FLOODED MODEL BCI 20 HR CCA MCA DIMENSIONS WEIGHT”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Row from the maker’s page: “Reserve Capacity (RC @ 25A)” | “900 Minutes”
Source: rollsbattery.com/battery/12-md-375p
Row from the maker’s page: “Reserve Capacity (RC @ 75A)” | “300 Minutes”
Source: rollsbattery.com/battery/12-md-375p
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Row from the maker’s page: “Self-Discharge Rate” | “5%-10% per month at 25°C (77°F)”
Source: rollsbattery.com/battery/12-md-375p
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Size and fit
- Weight
- 229.5 Lbs
- Overall dimensions
- L x W x H incl. terminal: 47.0 cm x 38.3 cm x 31.9 cm
- Terminals
- Flag
- Stated weight
- Weight: 104 kg
- Terminal thread
- 5/16"-18
- Group the maker sells it as
- BCI column: 2 x 27H
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 18.50” x 15.06” x 12.56” 229.5 Lbs”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Row from the maker’s page: “Terminal Type” | “Flag”
Source: rollsbattery.com/battery/12-md-375p
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Row from the maker’s page: “Size & Thread” | “5/16"-18”
Source: rollsbattery.com/battery/12-md-375p
“SERIES 4000 12 MD 375P 2 x 27H 375 1166 1458 47.0 cm x 38.3 cm x 31.9 cm 104 kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Sources
- Archived document
Source: rollsbattery.com/wp-content/uploads/2019/11/MARINE-sheet.pdf
Retrieved October 8, 2026
- 12 MD 375P | Rolls BatteryArchived document
Source: rollsbattery.com/battery/12-md-375p
Retrieved October 16, 2026