Charge Controllers

Morningstar SunSaver MPPT

£ 199.8GBP · price may vary

Model: SS-MPPT-15L
Specifications: 6

System Battery Voltage12V, 24V
Max VOC60V
MPPT Trackers1
ConnectionScrew terminals
Weight (kg)0.6
View all 6 specifications ↓

Overview

This controller has an advanced maximum power point tracking (MPPT) battery charger for off-grid PV systems. The controller features a smart tracking algorithm that maximizes the energy harvest from the PV and also provides load control to prevent over discharge of the battery. It is ideal for both professional and consumer PV applications. It is epoxy encapsulated and can be adjusted via four settings switches or connection to a personal computer and has optional remote meter and battery temperature sensor. Traditional PWM vs Trakstar MPPT 5 year warranty

Specifications

System Battery Voltage	12V, 24V
Max VOC	60V
MPPT Trackers	1
Connection	Screw terminals
Weight (kg)	0.6
Warranty	5

What these specifications mean

Morningstar SunSaver MPPT is listed with 6 published specifications from Morningstar, including system battery voltage of 12V, 24V, max VOC of 60V, MPPT trackers of 1 and connection of Screw terminals. Those figures are what decide whether this unit fits your system, so read them against the equipment it will connect to before comparing price.

For a charge controller, the figures that matter most are conversion efficiency, typically 96–99% for a good MPPT unit, whether it offers a load output, temperature compensation and remote monitoring, type: MPPT or PWM and rated charge current in amps, which must exceed the array's short-circuit current with margin. In any system with a battery and a separate array, the controller is what protects the most expensive component and determines how much of the array's output actually reaches storage.

What to check before ordering

The checks below apply to any charge controller. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.

Size the current rating from array watts divided by battery voltage, then add at least 25% margin for cold, bright conditions where panels exceed their rated output.
Check the maximum PV input voltage against the array's Voc at your coldest expected temperature, not at 25 °C — Voc rises as temperature falls, and exceeding the limit destroys the controller instantly.
Confirm the controller supports your battery chemistry with the right charge profile. Lithium, AGM, gel and flooded batteries need different absorption and float voltages.
Prefer a unit with temperature compensation or a battery temperature sensor if the bank lives somewhere that gets hot or cold.

Where buyers lose money

Sizing on rated array watts alone and ignoring the voltage ceiling, which is the most common way controllers are killed.
Using a PWM controller with a high-voltage grid-tie panel — the voltage mismatch wastes a large share of the panel's output.
Running the load output beyond its rating instead of wiring heavy loads directly to the battery through a fuse.

Price and availability in United Kingdom

Morningstar SunSaver MPPT is listed at £ 200 (GBP) for United Kingdom. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.

SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in United Kingdom: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports Morningstar locally before ordering.

Morningstar SunSaver MPPT — frequently asked questions

How much does Morningstar SunSaver MPPT cost?

Morningstar SunSaver MPPT is listed at £ 200 (GBP) for United Kingdom. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.

What are the specifications of Morningstar SunSaver MPPT?

We hold 6 published specifications for this charge controller, including system battery voltage 12V, 24V, max VOC 60V, MPPT trackers 1, connection Screw terminals and weight (kg) 0.6. The full table is on this page, listed under model SS-MPPT-15L.

Who makes Morningstar SunSaver MPPT?

Morningstar SunSaver MPPT is a Morningstar product, listed under charge controllers with model reference SS-MPPT-15L. The Morningstar brand page lists the rest of its range so you can compare across the catalogue.

Is Morningstar SunSaver MPPT right for my system?

That depends on what it has to connect to. For a charge controller, check maximum PV open-circuit voltage, the hard limit that must survive cold-morning Voc rise, supported battery voltages (12/24/36/48 V) and chemistries and conversion efficiency, typically 96–99% for a good MPPT unit against the rest of your equipment before price enters the decision. Prefer a unit with temperature compensation or a battery temperature sensor if the bank lives somewhere that gets hot or cold.

Where can I buy Morningstar SunSaver MPPT in United Kingdom?

SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in United Kingdom — buying in-channel is what keeps the manufacturer's warranty valid.

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