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Renogy Rover Li 40A MPPT Solar Charge Controller
Renogy Rover Li 40A MPPT Solar Charge Controller
The Renogy Rover Li 40A MPPT Solar Charge Controller is a 40A controller for 12V or 24V battery systems with automatic system-voltage detection. It is designed for off-grid solar charging where accurate array sizing, battery-profile selection, and protection features matter.
Solar Array Sizing
For array planning, the PV input voltage range is 15VDC to 100VDC. Maximum PV input power is 520W on a 12V system or 1040W on a 24V system. Confirm panel open-circuit voltage, array wiring, and cold-weather conditions before installation so the array stays within the controller’s limits.
Battery Compatibility and Protection
The controller accepts battery input from 10VDC to 32VDC and includes protection against overcharging, over-discharging, overload, and short circuit. Renogy also states that it can charge over-discharged lithium batteries. Select the appropriate battery charging profile and follow the battery manufacturer’s voltage and BMS requirements.
Installation Considerations
Installation planning should account for the controller’s 8 AWG (10 mm²) maximum terminal size, 238 x 172 x 77 mm dimensions, and 2.0 kg weight. It operates from -35°C to 45°C and has an IP32 protection level. A temperature sensor with a 9.8-foot cable is listed in the specifications, and terminal wiring should follow Renogy’s installation instructions.
Version and Communication Guidance
Communication differs by version: the supplied specifications identify RS232 for the G1 version and RS485 for the G2 version. Verify the controller generation and included accessories before planning remote monitoring or selecting a communication module. The listed certifications and compliance markings include CE and FCC Class B Part 15 compliance.
| RENOGY ROVER 40 AMP MPPT SOLAR CHARGE CONTROLLER | |
| Model SKU | RNG-CTRL-RVR40-G3-US |
|---|---|
| Electrical Parameters | |
| Nominal System Voltage | 12 / 24V Auto-Detect |
| Rated Charge Current | 40A |
| Solar Input Voltage Range (Voc) | 15VDC~100VDC |
| Max. PV Input Power | 12V / 520W, 24V / 1040W |
| Power Consumption | ＜100mA / 12V; ＜58mA / 24V |
| Battery Input Voltage Range | 10VDC ~ 32VDC |
| Communication | G1 Version: RS232, G2 Version: RS485 |
| Electrical Protection | Overcharging, over-discharging, overload, and short circuit. Capable of charging over-discharged lithium batteries. |
| Environmental Data | |
| Protection Level | IP32 |
| Operating Temperature Range | -35°C to 45°C; -31°F to 113°F |
| Storage Temperature Range | -35°C to 75°C; -31°F to 167°F |
| Operating / Storage Humidity | ≤ 90%, No Condensation |
| Temperature Compensation | -3mV/°C/2V |
| Mechanical Specifications | |
| Dimensions | 238 x 172 x 77 mm / 9.38 x 6.78 x 3.05 in |
| Weight | 2.0kg / 4.41 lb |
| Max. Terminals Size | 8 AWG 10mm2 |
| Accessories | |
| Temperature Sensor | 9.8ft cable length |
| Certifications | |
| CE | YES |
| FCC Class B Part 15 Compliant | YES |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.
