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BlueSolar MPPT 100V 20 amp 48-Volt Solar Charge Controller

BlueSolar MPPT 100V 20 amp 48-Volt Solar Charge Controller

Q: Is over paneling a problem ? The 100/20 specs 290 watt for a 12v system. My 2 panels are 300 watt together. Series/parallel volt/amp within range. ?

On the panel side this MPPT will take max 100V and on the battery side it can push max 20A. This means that your Voc (open circuit voltage of the whole string should never be more than 100V. I had these running to the max, 1 controller controlling 4 panels of Voc 48V each. I did 2 panels in series and 2 in parallel. I live in the tropics. during the morning this gives me on the battery side a Pmax of 19 A at about 50V. the controller gets hot but works fine for over a year already. When the battery is full, the PV Voltage goes up to 96V with low Amps. If you 'd run the Amps higher, the white 20A fuse will trip (looks like a car fuse). Never put a panel string higher then Voc 100 V as that will damage the electronics of the controller. I would recommend a slightly lower amps (battery side) and V(panels side) then what I do in order for the controller not to become as hot. I have put a computer fan on mine now to keep it a bit cooler. These are really good controllers. Hope this helps Patrick

Q: Is the dongle or bluetooth required to make adjustments? How can I adjust battery chemistry or voltage with just this unit?

The cable data is required by the equipment for configuration according battery type. the cable data is an additional accessory. You can visit : https://www.victronenergy.com/media/pg/Manual_BlueSolar_MPPT_75-10_up_to_100-20/en/configuration-and-settings.html

Q: It has a Load output? Need more details on that

The load output feature on the Blue Solar MPPT is used to regulate how much load is placed on your batteries to help prevent them from running batteries flat. IT is merely a safety feature that helps promote the lifespan of your batteries.

Product ID: 340427707

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Details

Colour
Blue
Brand
Victron Energy
Voltage
12 Volts (DC)
Product dimensions
11.3L x 10W x
Material
Several

⚡20A max current output

📈MPPT tech for max energy harvest

🔋Supports 48V battery systems

Frequently Bought Together

Victron Energy BlueSolar MPPT Solar Charge Controller - Charge Controllers for Solar Panels - 100V, 20 amp, 48-Volt

Victron Energy VE.Direct Smart Dongle (Bluetooth) - Wireless Monitoring for BMV & MPPT - Compatible with iOS & Android via VictronConnect App

Victron Energy VE.Direct to USB Interface

Description

🔆 Charge smarter, live greener — don’t let your solar power go to waste!

EXTEND BATTERY LIFE 🔋 - Smart charging algorithms that protect and prolong your battery’s lifespan.
MAXIMIZE YOUR SOLAR POWER ⚡ - Harness every watt with advanced MPPT technology for peak efficiency.
RAPID RECHARGE EVEN FROM ZERO 📉 - Revive deeply discharged batteries, starting from 0V with intelligent control.
REAL TIME MONITORING WITH LED DISPLAY 💡 - Stay informed with clear, instant feedback on your solar charging status.
COMPACT LIGHTWEIGHT DESIGN 🏋️‍♂️ - Only 490g and sleek dimensions for easy integration anywhere.

The Victron Energy BlueSolar MPPT 100V 20A 48V Solar Charge Controller uses cutting-edge MPPT technology to optimize solar energy harvesting, ensuring rapid and efficient battery charging. Designed to extend battery life and even recharge deeply depleted batteries, it supports 48V systems with a compact, lightweight form factor and intuitive LED display for real-time monitoring.

Specifications

Item weight	490 Grams
Display type	LED
Manufacturer	Victron Energy
Product Dimensions	11.28 x 9.98 x 5.99 cm; 490 g
Batteries required	No
Included components	Victron Energy BlueSolar Charge Controller

Have a Question? See What Others Asked

Is over paneling a problem ? The 100/20 specs 290 watt for a 12v system. My 2 panels are 300 watt together. Series/parallel volt/amp within range. ?

Is the dongle or bluetooth required to make adjustments? How can I adjust battery chemistry or voltage with just this unit?

It has a Load output? Need more details on that

Will this work for 3 12V batteries that are connected in series? So for 36V?

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