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Blue Sea 7531 – P12 Battery Charger 12V DC 25A, 3 Outputs, Ignition Protected
The Blue Sea 7531 P12 Battery Charger is a 12V DC charger with 25A total output current and three positive outputs plus one negative, designed with a dry mount construction for harsh environments. It uses a four-stage charging algorithm with PreFloat™ stage to help prevent overcharging and supports charging of up to three battery banks.
The charger features a rugged finned aluminum case, power factor corrected universal AC input, and an integrated large display with intuitive diagnostic screens. User-defined charge profiles and customizable settings are supported, with multi-language interface including English, French, German, Italian, and Spanish.
Advanced protection and coordination features include battery temperature compensation, AC over/under voltage shutdown with automatic restart, battery temperature protection limits, DC over-voltage and reverse polarity protection, and surge and short circuit protection. Charge Coordination with Blue Sea Systems Automatic Charging Relays (ACR) ensures proper float stage control for each battery.
Key Features
- 12V DC battery charger, 25A total output
- Four-stage charging with PreFloat™ stage
- Three positive outputs and one negative
- Dry mount design for harsh environments
- Rugged finned aluminum case
- Power factor corrected AC input
- User defined charge profiles and customizable settings
- Large bright display with diagnostic screens
- Multi-language interface: English, French, German, Italian, Spanish
- Charge Coordination with Blue Sea ACR systems
- Battery temperature compensation
- AC over/under voltage shutdown with automatic restart
- Battery temperature protection limits
- DC over-voltage and reverse polarity protection
- Surge and short circuit protection
- Ignition protected
Technical Specifications
Model 7531 Product Type P12 Battery Charger Nominal Voltage 12V DC Total Output Current 25A Number of Outputs 3 positive / 1 negative Maximum Output Voltage 16V DC Typical Float Voltage 13.5V DC Output Voltage Accuracy 0.05V Input AC Current 4.5A @ 100V AC / 2.25A @ 200V AC AC Input Voltage 115–230V AC AC Input Frequency 45–65 Hz Stud Size M6 Recommended Battery Bank Size 60Ah minimum / 330Ah maximum Supported Battery Types AGM, Flooded Lead Acid, Gel, TPPL Operating Temperature -20°C to +70°C Storage Temperature -30°C to +80°C Screw Terminal Torque M3: 10 in-lb (1.13 Nm) / M4: 15 in-lb (1.69 Nm) Stud Torque 80 in-lb (9.04 Nm) Height 13.03 in (330.96 mm) Width 8.46 in (214.88 mm) Depth 3.66 in (92.96 mm) Weight 12.00 lb (5.44 kg) Warranty 5 Year
Included
Qty PN Description 1 1820 Submersible Temperature Sensor
Optional Accessories
- 7512 – Battery Charger Mounting Adapter
- 7517 – EV Battery Charger Display
- 7520 – P12 Battery Charger LED Remote
Compliance
- CEC Compliant
- CSA C22.2 No. 107.2-01
- Ignition Protected
- SAE J1171
- UL 1236
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