SunSaver
The SunSaver™ Generation 3 builds on a long tradition of dependable battery charging for remote off-grid power systems. Supporting lead-acid, lithium, NiCd, and other battery chemistries with configurable charging profiles, it delivers reliable performance across a wide range of industrial and commercial applications.
Designed for demanding environments, it combines durable construction with enhanced performance and modern features to help protect battery health and keep critical systems operating with confidence.
Specifications & Certifications
| Model | SS-6-12V | SS-6L-12V | SS-10-12V | SS-10L-12V | SS-10L-24V | SS-20L-12V | SS-20L-24V |
|---|---|---|---|---|---|---|---|
| *In periods following excessive battery drain, provided the controller is not power cycled, the controller can self-recover from a battery voltage of 1V and provide intermittent charging operation up to 6V at which normal operation will resume. | |||||||
| Charge Rating | 6 amps | 6 amps | 10 amps | 10 amps | 10 amps | 20 amps | 20 amps |
| Max. PV Open Circuit Voltage (Voc) | 30 volts | 30 volts | 30 volts | 30 volts | 60 volts | 30 volts | 60 volts |
| Nominal Battery Voltage | 12V | 12V | 12V | 12V | 24V | 12V | 24V |
| Minimum Battery Voltage | 6V* | 6V* | 6V* | 6V* | 6V* | 6V* | 6V* |
| Load Control | No | Yes | No | Yes | Yes | Yes | Yes |
| Voltage Accuracy | +/- 25mV | +/- 25mV | +/- 25mV | +/- 25mV | +/- 48mV | +/- 25mV | +/- 48mV |
| Operating Temperature Range | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C |
| Warranty | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years |
| CE and RoHS compliant | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| TAA compliant | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Approved for use in Hazardous Locations: Class 1, Division 2, Groups A-D | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| ETL Listed [UL-1741 and Canadian CSA C22.2 No.107.1.01] | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| FCC Class B Part 15 Compliant | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufactured in a Certified ISO 9001 Facility | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
- Extremely High Reliability
• Failure rate of less than 1 per 1,000 shipped (<0.1%)
• 100% solid state. Power MOSFET design
• Manufactured in an ISO 9001 factory
• 100% pre-shipment functional testing - Easy to Install and Use
• Factory pre-sets result in no required install settings
• Electronic protections prevent damage from wiring mistakes
• Fully automatic operation and fault recovery
• Additional features include full electronic protections, 3-state battery LED indicators, terminal cover, dead battery recovery, high voltage load protection for sensitive loads
• Wire terminal cover included with every SunSaver - Longer Battery Life
• Series design (not shunt) for cool operation
• Longer battery life through PWM 4-stage charging and temperature compensation
• Sealed or flooded battery select
• Low voltage load disconnect on several versions - Designed for Harsh Environments
• Temperature rating of -40°C to +60°C
• Ideal for Oil/Gas applications. Approved for use in hazardous locations: Class 1, Division 2, Groups A-D
• Tropicalization—hardened for field use with anodized aluminum enclosure, epoxy encapsulation, marine-rated terminals
Morningstar "Charging Experts" featuring SunSaver | 7 minute video
This 7 minute video features the HazLoc ratings and internal and external components of Morningstar’s SunSaver Solar Charge Controllers and explains why Morningstar has been considered the “charging experts” for over a quarter of a century.