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DFROBOT 900mA MPPT Solar Panel Controller - Solar Power Manager Module for 5V Solar Panel - Support Solar and USB Charging

DFROBOT 900mA MPPT Solar Panel Controller - Solar Power Manager Module for 5V Solar Panel - Support Solar and USB Charging

Q: if no power is going through the solar panel, can this be set to automatically turn on? In other words does the 5v auto turn on when it gets dark?

It automatically turns on when power is supplied from the panel. In the interim it draws from the battery.

Q: How do i mount the cooling fin? is that what the 3m tape is for? and i it suppose to have direct contact?

That is a good question. I didn't put on my unit and it is working fine.

Q: what is the minimum voltage from solar panel needed? my location is partialy shaded so I get 5.5 in direct sunlight in morning and 3.5 in afternoon

The minimum voltage required from the solar panel is 4.4-6V. In your case, you could connect a 3.7V Lipo battery at the BAT IN side. When the sunlight is not strong, the device can be powered by the lithium battery. When the sunlight is intense, the solar panel can power the device and also charge the lithium battery.

Q: Open circuit voltage is 7.2V operating is 6 volts on my solar panels will this work with solar power manager 5 volt 6 volts max

I had a little trouble with one of mine that had open circuit voltage above 6v. I opted for installing a step down circuit to drop it to 5v and it works like a champ.

Product ID: 369080452

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Details

Colour
Black
Brand
DFROBOT
Voltage
5 Volts
Material
Stainless
Item weight
0.07 Kilograms

⚡900mA max charging current

🔋MPPT tech for max solar efficiency

🔌5V 1A DC-DC output with ON/OFF control

Frequently Bought Together

900mA MPPT Solar Panel Controller - Solar Power Manager Module for 5V Solar Panel - Support Solar and USB Charging

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Description

☀️ Harness the sun smarter — power your future with precision and protection!

COMPACT YET MIGHTY - Small form factor with stainless steel build fits effortlessly into any solar-powered device or project.
SMART SAFETY FIRST - Built-in overcurrent and overdischarge protection safeguards your battery and solar panel for long-term durability.
VERSATILE POWER MANAGER - Supports both solar and USB charging, adapting seamlessly to your energy source preferences.
POWER UP WITH CONFIDENCE - Delivers up to 900mA charging current to your 3.7V Li battery, perfect for reliable off-grid projects.
MAXIMIZE YOUR SOLAR GAINS - MPPT technology extracts peak power from your 5V solar panel, ensuring no watt is wasted.

The DFROBOT900mA MPPT Solar Panel Controller is a compact, high-efficiency solar power management module designed for 5V solar panels. Featuring Maximum Power Point Tracking (MPPT) technology, it maximizes solar energy harvesting and delivers up to 900mA charging current to 3.7V Li batteries. With integrated overcurrent and overdischarge protections, plus support for USB charging, it ensures safe, versatile, and reliable power management for small solar projects like smart monitors, solar robots, and portable lamps.

Specifications

Manufacturer	DFROBOT
Package Dimensions	8.9 x 6.5 x 2 cm; 68 g
Part number	DFR0559
Material type	Stainless Steel
Power source type	Solar Powered
Item model number	DFR0559
ASIN	B07MML4YJV

Have a Question? See What Others Asked

if no power is going through the solar panel, can this be set to automatically turn on? In other words does the 5v auto turn on when it gets dark?

How do i mount the cooling fin? is that what the 3m tape is for? and i it suppose to have direct contact?

what is the minimum voltage from solar panel needed? my location is partialy shaded so I get 5.5 in direct sunlight in morning and 3.5 in afternoon

Open circuit voltage is 7.2V operating is 6 volts on my solar panels will this work with solar power manager 5 volt 6 volts max

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TrustScore 4.5 | 7,300+ reviews