Is anyone having problems with hf / vhf radio interference (rfi)?

On MPPT and PMI controllers of different brands, RFI particularly in the VHF & UHF bands can be extreme. The solar panels do act as large antennas transmitting the interference. Some fairly simple decoupling circuitry can help. Right at the PV input, i've used a large forward diode into a large, CPU-grade electrolytic along with common-mode chokes on wiring before the diode. On the controller outputs, a "Corcom" type pi-filter helps a lot, but components in series with the output must accept full output current without much voltage drop. This can get rid of about 99% of RFI without too much problem. I do use solar and wind turbines for power at my off-grid property and run amateur radio equipment from 70 cm to 160 meter bands.

What does "rated battery current" mean? Does the load current change with each different model?

The rated current is 20Apeak If you want to connect to inverter that draw more than 20amp Use relay to switch load Connect relay coil to Rover load output

What is the max available amps to the load terminals?

I never put loads directly on the controller. I only put loads on the battery terminals.

I have a: itehil solar panel, 100w 18v monocrystalline portable solar panel, high efficiency waterproof solar panel. can i use it with this controler?

Sure, but get a Victron instead. This is an antique. 😉

Rover Series | Desertcart UK

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Description

🔆 Charge smarter, live greener — never miss a watt!

SMART BATTERY REVIVAL - 4-stage charging plus lithium recovery tech to extend battery life and revive dead batteries effortlessly.
STORM READY DURABILITY - Built-in 6kV TVS lightning protection and temperature compensation from -40°F to 149°F keeps your system safe in extreme conditions.
BLUETOOTH ENABLED CONTROL - Add the BT2 module (sold separately) to monitor performance and receive real-time alerts via app—perfect for RVs and remote setups.
PEAK EFFICIENCY POWERHOUSE - Harness up to 99.9% multi-peak MPPT efficiency for maximum solar energy capture, even in partial shade.
REAL TIME INSIGHTS AT YOUR FINGERTIPS - Adjustable LCD display with 365-day data logging and Modbus protocol integration for seamless smart home solar management.

The Renogy Rover 20A MPPT Solar Charge Controller is a versatile, high-efficiency device designed for 12V and 24V solar systems. It features advanced 4-stage charging with lithium battery recovery, robust storm-proof protections including 6kV lightning TVS, and an adjustable LCD for real-time monitoring. Compatible with gel, sealed, flooded, and lithium batteries, it supports Bluetooth app integration for remote performance tracking, making it an essential upgrade for off-grid, RV, marine, and smart home solar setups.

Specifications

ASIN	B01MRWTAB5
Best Sellers Rank	#9,448 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #4 in Renewable Energy Controllers
Brand Name	Renogy
Color	black
Customer Reviews	4.4 4.4 out of 5 stars (3,861)
Display Type	LCD
Global Trade Identification Number	00816360024644
Included Components	led indicator
Item Dimensions L x W x H	8.27"L x 5.94"W x 2.34"H
Item Type Name	20A MPPT Charge Controller 12V/24V Auto DC Input Solar Charge Controller, Parameter Adjustable, LCD Display Solar Panel Regulator, fit for Gel Sealed Flooded and Lithium Battery, Rover 20A
Item Weight	680 Grams
Manufacturer	Renogy
Material Type	Plastic
Model	20A
Part Number	RNG-CTRL-RVR20
UPC	816360024644
Unit Count	1.0 Count
Voltage	24 Volts
Warranty Description	3-year material and workmanship warranty

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