Can controller be installed in battery compartment (somewhat limited in space). RV application, 2-6volt batteries, 1-100 watt panel.

Yes, as long as installation is not too close to batteries and the area is vented to avoid potential gassing / corrosion issues. And to allow for proper temperature sensing if the unit has only a built in sensor the controller should be is the same area as the batteries.

Does this unit alternate voltage based on battery temperature?

The charger will compensate for temperature based on it's internal sensor, essentially gauging the local environment's temperature. An option Smart Battery Sense can be attached to the battery for true battery temperature. Those are new and in short supply, but should be fully available by the end of June, 2018.

what is the difference between smart solar and blue solar?

The single difference between them is that the SmartSolar MPPTs have Bluetooth built-in so that you can monitor and configure them through the VictronConnect smartphone app. The BlueSolar MPPTs do *not* have the Bluetooth built-in; you can use a VE.Direct to Bluetooth Dongle to achieve the same functionality, but the cost of a SmartSolar ends up a little less (typically) than a BlueSolar MPPT +a VE.Direct to Bluetooth Dongle, so it usually makes more sense to order the SmartSolar. If you're not planning on monitoring the MPPT or changing any of the settings, however, a BlueSolar will be just fine, as the actual circuitry is virtually identical. Regards, -Justin Mobile Power Pros / Bay Marine Supply

The item i received says 48v on the side. will it work with 12v/24v systems?

Even though the mppt has the 48V stamp, it will work with 12V 24V & 48V systems. The 48V is to differentiate it from the 12V/24V only mppt. Here is documetation from Victron showing it will work with all three Voltages. https://www.victronenergy.com/upload/documents/Datasheet-SmartSolar-charge-controller-MPPT-75-10,-75-15,-100-15,-100-20_48V-EN.pdf

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Victron Energy SmartSolar MPPT 100V 20 amp 48-Volt Solar Charge Controller (Bluetooth)

Product ID: 253962822

Details

Brand
Victron Energy
Colour
r.blue
Material
Plastic
Product dimensions
21L x 15W x 5H
Voltage
12 Volts

⚡20A max current output

📶Bluetooth real-time monitoring

🔋48V system voltage support

Bs.3081

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Description

🔆 Charge smarter, live greener — power your future with Victron Energy!

BUILT TO LAST - Operates reliably up to 60°C with durable, compact design
SEAMLESS SYNC - Multiple controllers sync for unified, optimized battery charging
MAXIMIZE EVERY RAY - Lightning-fast MPPT tech ensures peak solar power even in shade
SMART CONNECTIVITY - VictronConnect app gives you full control and 30-day performance insights
LOAD WITH CONFIDENCE - Intelligent load output protects battery by auto-disconnecting at low voltage

The Victron Energy SmartSolar MPPT 100V 20A 48V Solar Charge Controller uses advanced MPPT technology to maximize solar energy harvest and extend battery life. Featuring Bluetooth connectivity via the VictronConnect app, it offers real-time monitoring, system configuration, and firmware updates. Multiple units can synchronize for enhanced system efficiency, while intelligent load management safeguards battery health. Compact and robust, it operates reliably in high temperatures, making it ideal for professional solar setups.

Specifications

ASIN	B075NPQHQK
Brand	Victron Energy
Brand Name	Victron Energy
Color	r.blue
Colour	r.blue
Customer Reviews	4.7 out of 5 stars 3,897 Reviews
Display Type	LCD (optional)
EU Spare Part Availability Duration	1 Years
Included Components	Victron Energy SmartSolar MPPT 100V 20 amp 48-Volt Solar Charge Controller (Bluetooth)
Item Dimensions L x W x H	21L x 15W x 5H centimeters
Item Type Name	Victron Energy SmartSolar MPPT 100V 20 amp 48-Volt Solar Charge Controller (Bluetooth)
Item Weight	0.54 Kilograms
Item weight	0.54 Kilograms
Manufacturer	Victron Energy
Material	Plastic
Material Type	Plastic
Model	MPPT 100\|20
Number of Items	1
Number of Packs	1
Operating Temperature	60 Degrees Celsius
Part Number	SCC110020160R
Product dimensions	21L x 15W x 5H centimeters
UPC	810019980657
Unit Count	1.00 Pack
Voltage	12 Volts

Reviews

D**H

This is truly respected product/brand.

100% recommended if anybody need or think to buy this product or any product from victron. These are very reliable. I appreciate to victron brand to make great product in every catagory. And thanks. In last, i request to brand to keep price genuine, because sometimes these are very expensive on amazon i saw and thanks for this product. 🫡

7.04.2026

J**I

Buen producto y muy fiable

Producto muy fiable y fácil de instalar,Victron además de ser buena marca te garantiza el buen funcionamiento durante bastantes años.llevo solo un mes con el controlador solar instalado y ya puedo opinar y le doy las 5 estrellas 100% recomendable!!

5.09.2026

R**I

Porządny regulator

Zdecydowanie polecam

8.08.2026

I**D

Très bon MPPT avec connectivité Bluetooth et bonne application

Très bon produit fiable. La connectivité Bluetooth est un atout certains pour le monitoring du photovoltaïque et batterie cellule. L’application est très bien faite. Avantage de ce modèle, la sortie LOAD 20A.

15.09.2026

C**N

C’est un Victron.

Correspond à c pe que j’attendais.

24.08.2026

U**S

Mejor MPPT no hay

Excelente calidad de producto y de construcción, la aplicación es súper intuitiva y configurable además tenía otro de otra marca pero este sin duda funciona mejor y más eficientemente

3.06.2026

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Bs.3081

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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