Hi, i’m having two 12v 335 watts panels in parallel and i’m receiving a e08 error that stands for pv input over current. it should be capable of 800w?

Two 335W panels in parallel is 670W (assuming they have the same electrical specs). The Renogy spec sheet says that model RVR-40 only handles up to 520W in the 12V configuration (i.e. connected to a 12V battery bank). The 800W you mentioned is for the RVR-30 in the 24V configuration (i.e. two 12V batteries in series).

Can I disconnect the battery while the solar collector is still connected?

No, I dont think that's a good idea since they say connect batteries first the solor panels. If you was to shut ur system down, the go in reverse. Panels discount then battery.

How does the Rover measure battery capacity remaining % if it does not have a shunt? Can percent remaining be reset ?

It can not be reset unless you power it down. Mine is not very accurate.

Can this controller be used with RV converter running?

Should work fine as it operates as a 12-24V system. Mines been making free power for about 2years now and had zero issues.

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Renogy Rover 30A 12V/24V Auto DC Input MPPT Solar Charge Controller Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery, Rover 30A,Black

Renogy Rover 30A 12V/24V Auto DC Input MPPT Solar Charge Controller Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery, Rover 30A,Black

Product ID: 172070165

Details

Brand
Renogy
Colour
Black
Material
Renogy Solar
Product dimensions
15.1L x 5.9W x
Voltage
24 Volts (DC)

⚡99% MPPT tracking efficiency

📊Adjustable LCD display

🔋Auto 12V/24V detection

Description

⚡ Charge smarter, live greener — power your future with Renogy Rover 30A!

REMOTE MONITORING READY - Stay connected on the go with Bluetooth-enabled app integration for real-time system insights.
COMPREHENSIVE BATTERY CARE - 4-stage charging for lead acid & 2-stage for lithium batteries ensures longevity and safety.
MAXIMIZE SOLAR POWER OUTPUT - Harness up to 99% efficiency with advanced MPPT tech, even in cloudy conditions.
SMART VOLTAGE AUTO DETECTION - Seamlessly adapts to 12V or 24V systems for hassle-free setup and optimal charging.
DIRECT LOAD CONTROL MONITORING - Connect DC appliances directly and customize timer controls for smarter energy use.

The Renogy Rover 30A MPPT Solar Charge Controller delivers industry-leading 99% tracking efficiency and 98% peak conversion, automatically detects 12V/24V systems, and supports multiple battery types with advanced 4-stage charging. Featuring a clear adjustable LCD display, direct load control, and Bluetooth remote monitoring compatibility, it’s engineered for reliable, efficient solar power management in diverse environments.

Specifications

ASIN	B07DNVW37B
Best Sellers Rank	368,435 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 595 in Solar & Wind Energy MPPT Controllers
Brand	Renogy
Colour	Black
Customer Reviews	4.4 4.4 out of 5 stars (665)
Display Type	LCD
Global Trade Identification Number	00810009715825, 00816360027492
Included Components	Rover 60 Amp MPPT Solar Charge Controller
Item Dimensions L x W x H	15.1L x 5.9W x 21H centimetres
Item Type Name	Rover 30A 12V/24V Auto DC Input MPPT Solar Charge Controller Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery, Rover 30A
Manufacturer	Renogy
Manufacturer Part Number	fit for Gel Sealed Flooded and Lithium
Material	Renogy Solar
Model Number	fit for Gel Sealed Flooded and Lithium
Number of Items	1
Product Warranty	2-year material and workmanship warranty
UPC	810009715825 816360027492
Unit Count	1.0 count
Voltage	24 Volts (DC)

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