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Sterling Power Pro Charge Ultra Plus 32 Volt Marine Battery Charger – 20A – 3 Output
Custom-tuned for classic 32V motor yachts, the 3 kg Sterling ProCharge Ultra 32/20 heavy duty marine charger delivers 20A across three outputs from fluctuating 80-270V AC global dockside power.
- Three banks power 32V systems.
- Integrated voltmeter displays live system charging.
- Sensor probe adjusts voltage for temperature.
- Over-voltage disconnect protects sensitive electronics.
- Compact hardware unit weighs 3 kg.
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Description
Custom 32V profiles position theSterling Power ProCharge Ultra 32V/20A Marine Battery Chargerfor classic motor yachts using three isolated 32V banks. It provides 20 amps from an 80V to 270V AC input and supports listed traditional lead-acid, AGM, and gel battery types.
Listed 38.4V absorption and 36.0V float values define its 32V charge configuration. An integrated voltmeter and ammeter provide local readings, while the included sensor supports temperature compensation. IP21 protection, ignition protection, intelligent fan cooling, overload protection, and DC over-voltage protection are listed.
Key Specifications of the Sterling Power ProCharge Ultra 32V/20A Marine Battery Charger
- Twenty-amp output supports listed classic-motor-yacht 32V charging applications.
- Three isolated banks separate charging across connected 32V battery systems.
- Input from 80V to 270V supports compatible AC power sources.
- Lead-acid, AGM, and gel profiles cover listed battery chemistries.
- Custom profiles support the listed 32V charging configuration.
- Listed 38.4V absorption supports the programmed charge profile.
- The 36.0V float value supports the listed maintenance stage.
- Integrated meters provide listed voltage and current readings.
- The included sensor enables the listed temperature-compensation function.
- An intelligent fan manages operating heat during charging.
Battery and Charging Compatibility
The ProCharge Ultra 32V/20A supports listed traditional lead-acid, AGM, and gel battery types. Its three isolated outputs provide 32V DC charging for classic motor-yacht battery systems.
This 32 volt marine charger does not list lithium compatibility. The listed 38.4V absorption and 36.0V float values should be confirmed against battery manufacturer guidance.
Installation and System Considerations
The charger accepts 80V to 270V AC and distributes 32V DC charging across three isolated banks. It has IP21 protection, listed ignition protection, integrated voltage and current meters, an included sensor, intelligent fan cooling, overload protection, and DC over-voltage protection. The unit measures 12.4 in. by 8.5 in. by 3.5 in. and weighs 6.6 lbs. Installation should follow the charger manual and the electrical requirements applicable to the vessel.
Warranty and Support
Warranty information is not included in the listed product data. Review the manufacturer documentation for product details, setup, and warranty coverage.
Before Ordering the Sterling Power ProCharge Ultra 32V/20A Marine Battery Charger
Before ordering, verify that your vessel uses up to three 32V banks, accepts 80V to 270V AC input, and uses traditional lead-acid, AGM, or gel batteries. Review the 20-amp output, charge voltages, sensor inclusion, IP21 protection, ignition protection, and installation space. You should confirm compatibility with your battery manufacturer and vessel electrical system before purchase.
Sterling ProCharge Ultra 32V/20A Charger
| Brand | Sterling Power |
| SKU | PCU3220 |
| Output Current | 20 Amps |
| Isolated Banks | 3 Banks |
| DC Voltage | 32V DC |
| Input Voltage | 80-270V AC |
| Battery Types | Traditional Lead-Acid, AGM, Gel |
| Algorithm | Custom 32V Profiles |
| Absorption/Float | 38.4V / 36.0V |
| Efficiency | >90% |
| IP Rating | IP21 |
| Ignition Protected | Yes |
| Communication | Integrated Voltmeter/Ammeter |
| Temp Compensation | Sensor Included |
| Safety Protections | Overload, DC Over-Voltage |
| Cooling | Intelligent Fan |
| Dimensions | 315 x 215 x 90 mm (12.4x8.5x3.5") |
| Weight | 3 kg (6.6 lbs) |
| Certifications | CE, UL Marine Standard |
| Application | Classic Motor Yachts (32V Systems) |
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