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Blue Sea 7531 P12 Battery Charger - 12V DC 25A

P12 Battery Charger - 12V DC 25A

Four stage, three output, dry mount design, for use in harsh environments.


  • Rugged, finned aluminum case

  • PreFloat™ stage prevents over charging

  • Power factor corrected for efficient use of AC

  • Intuitive diagnostic screens

  • User defined charge profiles and customizable settings

  • Provides charging for up to three battery banks

  • Large, bright display

  • Multi-language: English, French, German, Italian, Spanish

  • Charge Coordination with Blue Sea Systems Automatic Charging Relays (ACR) controls ACR state ensuring proper float stage for each battery

  • Battery Temperature Compensation - adjusts charge voltage based on battery temperature

  • AC over and under voltage shut down and automatic restart

  • Over and under battery temperature protection - charger will not operate if battery temperature rises above or falls below a set value

  • DC over voltage and reverse polarity protection

  • Surge and short circuit protection


  • Total Output Current: 25A

  • Input AC Current: 4.5A @ 100V AC / 2.25A @ 200V AC

  • Maximum Output Voltage: 16V DC

  • Nominal Voltage: 12V DC

  • Ignition Protected: Yes

  • Number of Outputs: 1 negative / 3 positive

  • Universal AC Input Voltage: 90-265V AC

  • AC Input Frequency: 45-65Hz

  • Output Voltage Accuracy: 0.05V

  • Typical Float Voltage: 13.5V DC

  • Minimum Operating Temperature: -20° C

  • Maximum Operating Temperature: 70° C

  • Minimum Storage Temperature: -30° C

  • Maximum Storage Temperature: 80° C

  • Battery Types: AGM / Flooded Lead Acid / Gel / TPPL (Thin Plate Pure Lead)

  • Recommended for Battery Bank Sizes: 330Ah Maximum / 60Ah Minimum

  • Warranty: 5 Year

  • Height: 13.03" (330.96 mm)

  • Width: 8.46" (214.88 mm)

  • Depth: 3.66" (92.96 mm)

  • Weight: 13.00lb (5.9 kg)

WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to