Nomad Gear Finder
Morningstar Corporation SS-MPPT-15L
Morningstar SunSaver 15A MPPT Solar Charge Controller (SS-MPPT-15L) | LA/Li batteries, load/lighting control, PWM 4-stage charging, temperature compensation, ideal for oil/gas applications
- Weight
- 1.30 lbs
- Length
- 6.60 in.
- Width
- 2.50 in.
- Depth/Height
- 2.90 in.
Rankings in the solar charge controllers Category
How does this product compare with others in Nomad Gear Finder's solar charge controllers category?
- Width 2.50 in. 64 mm Lower than 94% of 35 others
- Operating temp min -40 ℉ -40 ℃ Lower than 96% of 26 others
- Rated charge current 15 A Lower than 88% of 45 others
- Max PV input voltage (Voc) 60 V Lower than 88% of 36 others
- Peak conversion efficiency 97.5 % Lower than 92% of 27 others
- Self-consumption 35.0 mA Higher than 83% of 12 others
Compare this product with close matches Compare with all solar charge controllers
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Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase; see our About page for more information.
Physical Attributes
- Weight
- 1.30 lbs 0.60 kg
- Length
- 6.60 in. 169 mm
- Width
- 2.50 in. 64 mm
- Depth/Height
- 2.90 in. 73 mm
- IP rating
- IP10
Operating Temp Range
- Operating temp min
- -40 ℉ -40 ℃
- Operating temp max
- 140 ℉ 60 ℃
Physical Attributes
- Housing material
- Aluminum
Safety
- Overheat protection
- Yes
Core specs
- Controller type
- MPPT
- Rated charge current
- 15 A
- Battery system voltages
- 12/24V
Charging
- Max PV input voltage (Voc)
- 60 V
- Max solar input (12V battery)
- 260 W
- Max solar input (24V battery)
- 520 W
- Peak conversion efficiency
- 97.5 %
Power
- Self-consumption
- 35.0 mA
Charging
- Battery types supported
- Gel, Sealed, AGM, Flooded; lithium with custom settings
- Battery temp sensor included
- No
- Charging stages
- Bulk, absorption, float, equalize (4-stage)
Outlets
- Load output current
- 15 A
Physical Attributes
- Max terminal wire size
- 6 AWG
- Max terminal wire size (mm²)
- 16 mm²
Safety
- Reverse polarity protection
- Yes
Warranty & Certification
- Warranty
- 5 years
- CE marked
- Yes
- UL 1741 listed
- Yes
- CSA C22.2 No. 107.1
- Yes
- IEC 62109-1 certified
- Yes
- RoHS compliant
- Yes
- FCC Part 15 compliant
- Yes
Features
Details from the Morningstar Corporation SS-MPPT-15L Amazon listing:
- 15A MPPT CONTROLLER: Morningstar SunSaver MPPT 15A solar charge controller delivers reliable charging for off-grid solar systems with 12/24V LA/Li batteries. It regulates the power from the PV array to the battery bank. Benefit from lower self-consumption and consistent energy harvesting efficiency.
- LONGER BATTERY LIFE: This controller extends battery life with series four-stage MPPT charging and temperature compensation. It supports selectable options for sealed or flooded batteries, includes a 3-state battery LED indicator, dead battery recovery, and load/lighting control.
- EASY INSTALLATION: Enjoy hassle-free setup of the controller with factory pre-sets and custom programmable settings adjustments. Electronic protections safeguard against wiring mistakes, ensuring safe and straightforward installation.
- ELECTRONIC PROTECTIONS: These systems feature built-in electronic protection against surges, short-circuits, overloads, and reverse polarity. They include high voltage and high temperature disconnect to safeguard against damage to electrical components. Advanced self-diagnostics alert users to installation or operational errors. Charging automatically resumes when short circuits are cleared.
- TRUSTED RELIABILITY: Morningstar Corporation is a US company established in 1993 and is a global leader in manufacturing PWM and MPPT solar charge controllers, inverters, and accessories. Renowned for the industry's lowest hardware failure rate, Morningstar provides dependable, innovative technology for advanced solar applications. Morningstar products include U.S. based Tech Support and are the top choice for mission-critical users.
Similar products from other brands
Chosen for their similar specs and price:
 This productMorningstar Corporation SS-MPPT-15L |
 Victron Energy SmartSolar MPPT 75/15 |
 Genasun GV-10-Li-14.2V |
 Renogy RNG-CTRL-RVR20 |
|
|---|---|---|---|---|
| Price | $298.00 | – | $140.00 | $79.99 |
| Reviews | – | Mostly positive | – | Mixed |
| Model | SS-MPPT-15L | SmartSolar MPPT 75/15 | GV-10-Li-14.2V | RNG-CTRL-RVR20 |
| Popular brand | – | Yes | No | Yes |
| Weight lbs | 1.30 | 1.10 | 0.41 | 3.10 |
| Weight kg | 0.60 | 0.50 | 0.19 | 1.40 |
| Length in. | 6.60 | 4.45 | 5.40 | 8.27 |
| Length mm | 169 | 113 | 137 | 210 |
| Width in. | 2.50 | 3.94 | 2.40 | 5.95 |
| Width mm | 64 | 100 | 62 | 151 |
| Depth/Height in. | 2.90 | 1.57 | 1.30 | 2.69 |
| Depth/Height mm | 73 | 40 | 33 | 68 |
| IP rating | IP10 | IP43 | IP40 | IP32 |
| Operating temp min ℉ | -40 | -22 | -40 | -31 |
| Operating temp max ℉ | 140 | 140 | 185 | 113 |
| Operating temp min ℃ | -40 | -30 | -40 | -35 |
| Operating temp max ℃ | 60 | 60 | 85 | 45 |
| App connectivity | – | Bluetooth | – | – |
| Housing material | Aluminum | – | – | Metal |
| Overheat protection | Yes | Yes | Yes | – |
| Low-voltage protection | – | Yes | – | Yes |
| Display type | – | – | LED indicators | LCD with 4 buttons and LED indicators |
| Controller type | MPPT | MPPT | MPPT | MPPT |
| Rated charge current A | 15 | 15 | 10 | 20 |
| Battery system voltages | 12/24V | 12/24V | 12V | 12/24V |
| Auto voltage detection | – | Yes | – | Yes |
| Max PV input voltage (Voc) V | 60 | 75 | 34 | 100 |
| Max solar input (12V battery) W | 260 | 220 | 140 | 260 |
| Max solar input (24V battery) W | 520 | 440 | – | 520 |
| Peak conversion efficiency % | 97.5 | 98.0 | 98.3 | 98.0 |
| MPPT tracking efficiency % | – | – | – | 99.0 |
| Self-consumption mA | 35.0 | 20.0 | 0.9 | 100.0 |
| Battery types supported | Gel, Sealed, AGM, Flooded; lithium with custom settings | Lithium, AGM, Gel, Flooded | LiFePO4 (4S, fixed 14.2V) | AGM, Gel, Flooded, Lithium, User-defined |
| LiFePO4 charging profile | – | – | Yes | – |
| User-defined charge voltages | – | Yes | – | Yes |
| Lithium reactivation | – | – | – | Yes |
| Battery temp sensor included | No | – | – | Yes |
| Charging stages | Bulk, absorption, float, equalize (4-stage) | – | CC/CV | Lead-acid: bulk, boost, float (+ equalization); lithium: bulk, boost |
| Load output current A | 15 | 15 | 0 | 20 |
| Load control modes | – | – | – | Automatic (light control), timer (14 settings), manual (default), no delay, 24-hour |
| Built-in Bluetooth | – | Yes | – | – |
| Communication port | – | VE.Direct | – | RS485 (Modbus) |
| Cooling | – | – | Passive (no fan) | – |
| Grounding type | – | – | – | Common negative |
| Max terminal wire size AWG | 6 | 10 | 10 | 8 |
| Max terminal wire size (mm²) mm² | 16 | 6 | 5 | – |
| Reverse polarity protection | Yes | Yes | Yes | Yes |
| Warranty | 5 years | 5 Years | 5 Years | 2 Years |
| Certifications summary | – | EN/IEC 62109-1, UL 1741, CSA C22.2 No. 107.1 | cETLus, CE, FCC, RoHS; UL 1741, CSA C22.2 #107.1, HazLoc C1D2 | FCC Part 15 Class B, CE, RoHS, RCM |
| CE marked | Yes | – | Yes | Yes |
| UL 1741 listed | Yes | Yes | Yes | – |
| CSA C22.2 No. 107.1 | Yes | Yes | Yes | – |
| IEC 62109-1 certified | Yes | Yes | – | – |
| RoHS compliant | Yes | – | Yes | Yes |
| FCC Part 15 compliant | Yes | – | Yes | Yes |
Data sources
Data for this product compiled from these sources:
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Specifications last updated Nov 13, 2026.