Morningstar SunSaver Duo is an advanced PWM two battery controller for RVs, caravans, boats and cottages. Designed for 25 amps at 12 volts DC, at the same time calculate this product of two separate batteries and isolated as a “house” and an engine battery, based on user selectable priorities. This controller also includes a backlit remote meter which may be mounted in or on a wall, and displays digital image and status information about the solar power system.
Warranty Model Numbers Key Features and Benefits - Two battery charging
- offers more system information
- Lower cost
- Easy installation
- Longer battery life
- Extensive Electronic Protections
- Highly Reliable
- estimated 15-year life
- Product Specifications | Download
| Electrical |
| Rated Solar Input | 25 amps |
| Rated Load Output | Not applicable |
| Battery Voltage | 12 volts |
| Min. Battery Voltage | 1 volt |
| Max. Battery Voltage | 15 volts |
| Max. Solar Voltage | 30 volts |
| Self Consumption: Controller | 6 to 10 milliamps |
| Self Consumption: Remote meter | 6 to 15 milliamps |
| Environmental |
| Operating Ambient Temperature: Controller | –40C to +45C / –40F to +113F |
| Operating Ambient Temperature: Meter | –20C to +60C / –4F to +140F |
| Humidity | 100% non-condensing |
| Tropicalization: Controller | Epoxy encapsulation Anodized aluminum case Corrosion resistant terminals |
| Tropicalization: Meter | Conformal coated printed circuit board |
| Battery Charging |
| Regulation Voltage: Sealed Battery | 14.1 volts (at 25C, 77F) |
| Regulation Voltage: Flooded Battery | 14.4 volts (at 25C, 77F) |
| Float Voltage | 13.7 volts |
| Equalization Voltage* | 14.8 volts |
| Temp. Compensation | —30 millivolts per C (25C reference) |
| Type of Charging | Series PWM 4 stage: bulk, PWM, float,and equalize**used on flooded battery only |
| Battery Charging Priority | 90% / 10% 50% / 50% Customize via PC connection |
| Mechanical |
| Controller | 17.0 x 5.6 x 4.1 cm / 6.7 x 2.2 x 1.6 in. |
| Meter | 9.7 x 9.7 x 3.1 cm / 3.8 x 3.8 x 1.2 in. |
| Meter back | 7.4 cm / 2.9 in. diameter 2.8 cm / 1.1 in. deep Fits 7.6 cm / 3 in. round hole |
| Weight: Controller | 340 g / 0.75 lb |
| Weight: Meter | 135 g / 0.30 lb |
| Largest wire | 16 mm2 (#6 AWG) |
| Meter wire | 10 m / 33 ft |
| Certifications | CE CompliantManufactured in a certified ISO 9001 facility |
