A versatile MPPT controller for mid-size arrays
Charge at 40A with up to 520W on 12V or 1,040W on 24V.
The Renogy Rover 40A MPPT Charge Controller is a practical match for mid-size RV, cabin and off-grid arrays. It supports 12V and 24V banks, a 100V PV ceiling, lithium activation and optional Bluetooth monitoring.
At a glance
Verified numbers for the exact product family
40ARated charge current
100VMaximum PV Voc
520WPV limit at 12V
1,040WPV limit at 24V
The controller-only SKU does not automatically include Bluetooth
The current Rover line has controller-only, BT-2 and Renogy ONE bundles. Torven’s exact G3 controller SKU must be matched to the package contents before promising a module.
Why this Renogy product
A proven middle size for RV and cabin charging
MPPT energy harvestingRenogy lists up to 99% tracking and 98% peak conversion efficiency for the Rover family.
Multi-chemistry profilesThe controller supports common sealed, gel, flooded and lithium battery configurations.
System visibilityThe LCD shows operating data locally; an optional compatible module adds DC Home app monitoring.
System fit
Use the bank-specific wattage limit and cold-weather voltage.
Renogy lists a 15–100V PV input range, 520W at 12V and 1,040W at 24V. Calculate cold-weather Voc, use external battery fusing and keep the controller in a protected, ventilated location.
Battery sideAuto-detection applies to supported non-lithium batteries. Lithium charging parameters must match the battery documentation.
PV sideDo not exceed 100V input. Confirm series-string Voc at the coldest expected temperature before installation.
In the box
What this listing is documented to include
- Rover 40A MPPT solar charge controller
- Remote temperature sensor
- Four mounting brackets
BT-2 module, Renogy ONE monitor, PV/battery cables, fusing and disconnects are not included unless the selected bundle explicitly lists them.
Product confidence
Three-year Rover warranty
Renogy lists a 3-year material-and-workmanship warranty for the Rover 40A. Current written terms and proof-of-purchase requirements apply.
Common questions
Buyer FAQ
How much solar can it handle on 12V?
Renogy lists a maximum of 520W on a 12V battery bank, subject to the PV voltage/current limits.
Can I use it on 24V?
Yes. The 24V PV power limit is 1,040W, with the same 100V maximum input ceiling.
Does it include a fuse?
No built-in system fuse replaces external overcurrent protection. Renogy specifically recommends a battery-side fuse sized for the installation.
Does G3 include Bluetooth?
Do not assume so from the title alone. Confirm the exact selected bundle and included SKU; controller-only packages require a separate compatible module.