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Sterling Power Pro Charge Ultra Battery Charger – 36V – 20A – 3 Output
Handling heavy 36V electric trolling motors, the 3 kg Sterling ProCharge Ultra 36/20 multi bank marine charger outputs 20A across three banks to replenish tournament fishing boat batteries overnight at dockside.
- Three banks charge 36V setups.
- Four-stage adaptive charging restores deep cells.
- Thermostatic fan regulates internal operating heat.
- Ignition protection meets marine installation codes.
- Alloy enclosure weighs exactly 3 kg.
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Description
Supporting three isolated 36V banks, theSterling Power ProCharge Ultra 36V/20A Marine Battery Chargerprovides 20 amps for listed trolling-motor and industrial-marine applications. Its 80V to 270V AC input supports AGM, gel, flooded, and LiFePO4 batteries through a 4-stage adaptive charging program.
Listed 43.2V absorption and 40.5V float values define the charge profile. A digital LED interface provides local information, while the included sensor supports temperature compensation. IP21 protection, ignition protection, a thermostatic fan, and short-circuit and reverse-polarity protection are documented.
Key Specifications of the Sterling Power ProCharge Ultra 36V/20A Marine Battery Charger
- Twenty-amp output supports listed 36V trolling-motor charging applications.
- Three isolated banks separate charging across connected 36V battery systems.
- Input from 80V to 270V supports compatible AC power sources.
- LiFePO4 and lead-acid profiles cover the listed battery chemistries.
- Four-stage adaptive charging manages the listed charge sequence.
- Listed 43.2V absorption supports the programmed charge profile.
- The 40.5V float value supports the listed maintenance stage.
- A digital LED interface provides the listed charger information.
- The included sensor enables the listed temperature-compensation function.
- A thermostatic fan manages operating heat during charging.
Battery and Charging Compatibility
The ProCharge Ultra 36V/20A supports listed AGM, gel, flooded, and LiFePO4 battery types. Its three isolated 36V outputs provide a multi-bank configuration for the listed trolling-motor and industrial-marine systems.
This 36 volt marine charger uses listed 43.2V absorption and 40.5V float values. Confirm that the selected battery chemistry and charge profile are approved by every battery manufacturer.
Installation and System Considerations
The charger accepts 80V to 270V AC and provides 36V DC charging across three isolated banks. It has IP21 protection, listed ignition protection, a digital LED interface, an included sensor, thermostatic fan cooling, and short-circuit and reverse-polarity 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 36V/20A Marine Battery Charger
Before ordering, confirm that your system uses up to three 36V banks, accepts 80V to 270V AC input, and uses one of the listed battery chemistries. 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 36V/20A Charger
| Brand | Sterling Power |
| SKU | PCU3620 |
| Output Current | 20 Amps |
| Isolated Banks | 3 Banks |
| DC Voltage | 36V DC |
| Input Voltage | 80-270V AC |
| Battery Types | AGM, Gel, Flooded, LiFePO4 |
| Algorithm | 4-Stage Adaptive Charging |
| Absorption/Float | 43.2V / 40.5V |
| Efficiency | >91% |
| IP Rating | IP21 |
| Ignition Protected | Yes |
| Communication | Digital LED Interface |
| Temp Compensation | Sensor Included |
| Safety Protections | Short Circuit, Reverse Polarity |
| Cooling | Thermostatic Fan |
| Dimensions | 315 x 215 x 90 mm (12.4x8.5x3.5") |
| Weight | 3 kg (6.6 lbs) |
| Certifications | CE, ABYC, Marine Grade |
| Application | 36V Trolling Motors, Industrial Marine |
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