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The Go Power! 30 Amp MPPT Dual Bank Solar Controller (model GP-RVC-30-MPPT) is a maximum power point tracking charge controller with two battery outputs for 12 and 24 volt systems. It handles up to 600 watts of solar at 12 volts or 1,200 watts at 24 volts, converts power at up to 98% efficiency and accepts panel strings up to 100 volts open circuit.
It's built for motorhomes and other RVs that need to charge a house bank and a chassis or starting battery without a separate trickle charger. RV-C, RS485 and CANbus communication let it report to a PowerTrak or other RV-C display, and the optional GP-RVC-R remote adds a wall display and Bluetooth.
BAT1 is the house bank and always gets priority. Once BAT1 completes absorption, surplus solar goes to BAT2, typically the chassis or starting battery, so it stays topped up in storage. If house loads pull BAT1 down, BAT2 charging pauses. With a single bank, connect it to BAT1 and leave BAT2 empty.
The controller tracks the array's maximum power point as sun and temperature change. When partial shade on a series string creates several power peaks, its multi-peak algorithm picks the highest. The manual lists tracking efficiency above 99%. If the array could push more than 30 amps, the controller limits charging to its rated current.
Choose GEL, AGM, Flooded, LiFePO4 or a Custom profile. Bulk and absorption are 14.1/28.2 volts for GEL and 14.4/28.8 volts for AGM, Flooded and LiFePO4, with a 120-minute absorption by default. Float is 13.7/27.4 volts for lead acid and 14.0/28.0 volts for LiFePO4. Flooded batteries get a 14.9/29.8 volt equalize every 30 days by default, and lead acid profiles use -24 mV per °C temperature compensation. A lithium reset feature can recover a battery whose BMS has shut it off after over-discharge.
The controller shows PV, BAT1 and BAT2 status on LEDs. On an RV-C network it appears on a PowerTrak or other RV-C display without a remote, and you can give it one of 5 instance numbers with the SET button. The GP-RVC-R remote adds a wall readout and Bluetooth monitoring in the Go Power! Connect app, and lets you adjust the charging current limit, battery settings and force charge commands.
Up to five GP-RVC-30-MPPT controllers can work in parallel on the same one or two battery banks, connected with parallel communication cables. Go Power's spec sheet lists a maximum combined array of 3,000 watts, or 150 amps. Each controller needs firmware 2.0 or above for parallel support.
Motorhomes. Charge the house bank and keep the chassis battery from going flat in storage, from one controller.
24 volt systems. Run up to 1,200 watts of solar into a 24 volt bank.
RV-C coaches. See solar charging on a PowerTrak or other RV-C display next to the rest of your power system.
Larger roofs. Split a bigger array across parallel controllers on the same battery bank.
Go Power's comparison lists the GP-RVC-MPPT-10 at 10 amps and 150 watts at 12 volts with a single battery bank. The GP-RVC-30-MPPT handles 30 amps, 600 watts at 12 volts or 1,200 watts at 24 volts, and two banks with house priority.
In the same table, the Dometic 40 amp dual bank controller is rated for 900 watts at 12 volts, works with a PowerTrak display and is listed to UL 1741. The GP-RVC-30-MPPT adds 24 volt support but is not UL listed.
The controller is rated for 600 watts at 12 volts with open circuit voltage under 100 volts, and Go Power recommends staying at or below about 80% of that, up to 400 watts, for margin on cold, bright days. Go Power estimates about 30Ah per 100 watts per day in spring and summer and 12Ah in fall and winter. Go Power suggests 8 AWG from the controller to each battery output, a 40 amp fuse at BAT1 and a 10 amp fuse at BAT2, and 8 to 10 AWG from the array depending on run length. Keep each battery fuse within 150 mm of the terminal, and connect batteries before panels.
Mount it indoors on a non-flammable surface, out of direct sun and away from water or condensation, vertically with the power terminals facing down and at least 6 inches of air above and below. Keep it close to the battery but not directly above it. Go Power states it is not UL listed and is sold for aftermarket and do-it-yourself installation, not for OEM production.
Yes. Connect your bank to BAT1 and leave BAT2 empty. Profiles, RV-C and the remote work the same.
It's rated for 600 watts at 12 volts, and Go Power recommends up to 400 watts, such as four 100 watt or two 200 watt panels. For larger arrays, Go Power suggests splitting the array between two controllers of about 400 watts each on the same battery bank.
Yes. Select the LiFePO4 profile or a Custom profile matched to your battery maker's specs.
Go Power lists a 5-year warranty against defects in materials and workmanship.
The Go Power! 30 Amp MPPT Dual Bank Solar Controller brings MPPT tracking, house-first dual bank charging, 12 and 24 volt support and RV-C networking to your RV's solar system. If you'd like help sizing your array, fusing both outputs or adding the GP-RVC-R remote, the Outbound Power team is happy to help.
Go Power! 30 Amp MPPT Dual Bank Solar Controller With RV-C Specifications |
|
|---|---|
| Model | GP-RVC-30-MPPT |
| Charging | |
| Controller Type | MPPT |
| Rated Charge Current | 30A |
| Battery Outputs | 2 (BAT1 house priority, BAT2 surplus after BAT1 absorption) |
| Conversion Efficiency | Up to 98% |
| MPPT Tracking Efficiency | Above 99% |
| Battery Profiles | GEL, AGM, Flooded, LiFePO4, Custom |
| Bulk/Absorption Voltage | 14.1/28.2V GEL; 14.4/28.8V AGM, Flooded, LiFePO4 |
| Absorption Duration | 120 min (default) |
| Float Voltage | 13.7/27.4V GEL, AGM, Flooded; 14.0/28.0V LiFePO4 |
| Equalize | 14.9/29.8V, Flooded only, 120 min every 30 days (default) |
| Recharge Voltage | 13.2/26.4V |
| Temperature Compensation | -24 mV/°C (lead acid) |
| Solar Input | |
| Max PV Input Power | 600W at 12V, 1,200W at 24V |
| Max PV Open Circuit Voltage | Under 100V |
| Panel Wiring | Series or parallel |
| Parallel Controllers | Up to 5 (3,000W or 150A combined) |
| Battery | |
| System Voltage | 12V / 24V |
| Battery Voltage Range | 8 - 32V |
| Under-Voltage Warning | 12.0/24.0V |
| Over-Discharge Voltage | 11.0/22.0V |
| Over-Discharge Return | 12.8/25.2V lead acid, 12.2/24.4V LiFePO4 |
| Battery Types | GEL, AGM, Flooded, LiFePO4, Custom |
| Monitoring and Communication | |
| Communication | RS485, CANbus, RV-C |
| Indicators | PV, BAT1 and BAT2 status LEDs, 5 RV-C instance LEDs |
| RV-C Instances | Up to 5 |
| Remote | Optional GP-RVC-R (LCD and Bluetooth) |
| No-Load Loss | 8 mA |
| Protection | |
| Protection | Solar/battery reverse polarity, solar/battery over voltage, solar/battery short circuit, over temperature, over-discharge |
| Physical | |
| Dimensions | 3.37 x 7.77 x 5.71 in (85.6 x 197.5 x 145 mm) |
| Weight | 3.14 lb (1.42 kg) |
| Max Wire Gauge | 8 AWG |
| Grounding | Negative |
| Operating Temperature | -31 to 113°F (-35 to 45°C) |
| Storage Temperature | -31 to 167°F (-35 to 75°C) |
| Humidity | 95% non-condensing |
| Ingress Protection | IP30 |
| Altitude | Under 3,000 m |
| Certifications and Warranty | |
| Certification | Not UL listed (aftermarket/DIY installation) |
| Warranty | 5 years |
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