What's the maximum size panel I can use with this controller?

100 Watts. You need to add 20% headroom. A 100 (watts solar panel) divided by 12 (battery voltage) equals 8.33 multiplied by 1.20 (20%) equals 10 (solar charge controller amperage)

Do I need to run my load through the controller, or can it go directly to battery? What are the advantages of running through the controller?

I'm afraid several have misunderstood the question. Without a low-voltage disconnect, the load connections on the controller are provided merely for connection convenience. It should be the same as connecting your load directly to the battery. There is no low-voltage protection either way. Unless you purchase the unit that contains the LVD

Morningstar controllers are manufactured in a fully automated world-class ISO 9001 facility in Taiwan.

Will this work with my 160w panels on my motorhome

yes it will works, because the solar panel will produce about 10 A/h

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Morningstar Corporation SunSaver 10A PWM Solar Charge Controller 12V Batteries, Solar Panel Controller, 12V, White/Black, SS-10-12V

Morningstar Corporation SunSaver 10A PWM Solar Charge Controller 12V Batteries, Solar Panel Controller, 12V, White/Black, SS-10-12V

Product ID: 343075077

Details

Brand
Morningstar
Colour
white/black
Item weight
0.5 Pounds
Material
Polycarbonate
Voltage
12 Volts

⚡10A max solar/load current

🌡️T5 temp rating up to 100°C

🛡️UL/CSA hazardous location certified

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C$22006

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your off-grid lifestyle with confidence and style!

SAFETY FIRST DESIGN - Comprehensive surge, short-circuit & reverse polarity protection
PLUG PLAY SIMPLICITY - Factory presets and advanced diagnostics eliminate guesswork
BUILT FOR EXTREME CONDITIONS - Epoxy encapsulated & marine-rated terminals for rugged durability
INDUSTRY LEADING RELIABILITY - Lowest hardware failure rate backed by a 5-year warranty
PRECISION 4 STAGE PWM CHARGING - Optimizes battery life with smart voltage regulation

The Morningstar SunSaver 10A PWM Solar Charge Controller is a compact, industrial-grade device designed for 12V solar battery systems. It features advanced 4-stage charging, robust protection against electrical faults, and is certified for hazardous environments. Built with durable polycarbonate casing and marine-rated terminals, it ensures long-lasting performance even in extreme conditions. Backed by a 5-year warranty, it offers unmatched reliability for small-scale solar setups.

Specifications

ASIN	B002MQW3H8
Brand Name	Morningstar Corporation
Color	white/black
Customer Reviews	4.5 4.5 out of 5 stars (104)
Display Type	LCD
Included Components	CONTROLLER
Item Weight	0.5 Pounds
Manufacturer	MORNINGSTAR
Material Type	Polycarbonate (PC)
Model	SS-10-12V
Part Number	SS-10-12V
UPC	033172793449 153736796065
Voltage	12 Volts

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TrustScore 4.5 | 7,300+ reviews

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