How can i set the mppt controller to turn off lights when solar panel receives light?

If you buy the bluetooth or USB controller dongle, there is a very configurable "STREETLIGHT" function built into the controller. Just connect your lights to the "Load" terminals, and use the VictronConnect program to set up the desired operation. I tried to upload a screenshot for you, but Amazon does not support that (Only a video).

Are these mppt controllers compatible with Lithium? Do they charge lithium batteries?

There are presets for various types of Lead (Gel, spiral, AGM, flooded, etc.) and LiFePO4 (Lithium Iron Phosphate). I see no settings for Lithium Ion. Note: you will need the software USB or bluetooth cable to make these changes one initialized (Supposedly, it auto-senses the battery at initial hookup, although I wantedto know for sure, so I purchased the programming cable.)

is the unit weatherproof?

I really don't know, but my gut feeling is no it is not. Too many "open holes" where the cables connect to for one thing.

Do the small cheap plastic connecters fit 10 gage wire?

Yes the charge controller will accept 10 AWG

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Victron Energy BlueSolar MPPT Solar Charge Controller - Charge Controllers for Solar Panels - 75V, 15 amp, 12/24-Volt

Product ID: 220384446

Details

Brand
Victron Energy
Color
No Color
Material
Plastic
Product Dimensions
4.44"L x x
Voltage
12 Volts (DC)

⚡75V max input voltage

🔄12/24V auto battery compatibility

🔋15A max charging current

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13459 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔆 Power your future smarter, not harder.

SMART BATTERY CARE - Intelligent charge algorithms extend battery lifespan by preventing overcharge and optimizing float stages.
MAXIMIZE YOUR SOLAR ROI - Advanced MPPT tech extracts up to 30% more power than PWM controllers, ensuring you never leave energy on the table.
PLUG PLAY VERSATILITY - Supports both 12V and 24V battery systems with automatic detection for hassle-free installation.
WHISPER QUIET OPERATION - Fanless design means zero noise pollution while delivering peak performance—perfect for home or office setups.
SEAMLESS REMOTE MONITORING - Add Bluetooth dongle to control and monitor your system from anywhere via VictronConnect app—stay connected, stay ahead.

The Victron Energy BlueSolar MPPT Solar Charge Controller is a high-efficiency 75V, 15A device designed for 12/24V battery systems. Utilizing advanced Maximum Power Point Tracking technology, it maximizes solar energy harvest even under partial shading. With optional Bluetooth connectivity via a dongle, users can remotely monitor and adjust settings through the VictronConnect app. Its intelligent charging algorithms protect and extend battery life, making it a reliable choice for professional-grade solar setups.

Specifications

ASIN	B018M88G98
Best Sellers Rank	#16,476 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #6 in Renewable Energy Controllers
Brand	Victron Energy
Brand Name	Victron Energy
Color	No Color
Customer Reviews	4.3 out of 5 stars 875 Reviews
Display Type	No Display
Global Trade Identification Number	08719076025320
Included Components	Victron Energy BlueSolar MPPT 75V 15 amp 12/24-Volt Solar Charge Controller
Item Dimensions L x W x H	4.44"L x 3.93"W x 1.57"H
Item Type Name	Victron Energy BlueSolar MPPT 75V 15 amp 12/24-Volt Solar Charge Controller
Item Weight	0.5 Kilograms
Manufacturer	Victron Energy
Material	Plastic
Material Type	Plastic
Model	8719076025320
Part Number	SCC010015050R
Product Dimensions	4.44"L x 3.93"W x 1.57"H
Smart Home Compatibility	Not Smart Home Compatible
UPC	616913923857 706686104192 740439246005
Unit Count	1.00 Pack
Voltage	12 Volts (DC)
Warranty Description	Warranty

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