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The Rich Solar BRAVO 50 (RS-MPPT50P) is a 50 amp MPPT solar charge controller for 12V and 24V systems. It recognizes the battery voltage automatically, accepts up to 100V of solar, and Rich Solar recommends up to 700W of panels at 12V or 1,400W at 24V.
It suits arrays that have grown past what a smaller controller can use. Built-in Bluetooth works with the Smart Life app, and an LCD shows solar and battery data at the controller. Rich Solar builds it for RVs, trailers, campers, vans, boats and off-grid systems.
The BRAVO 50 delivers up to 50A of charging current. Rich Solar rates MPPT tracking efficiency above 99.5% and charge conversion efficiency up to 98%, and multi-peak detection helps it hold the true maximum power point when part of the array is shaded. The MPP voltage range runs from battery voltage plus 3V up to 72V.
A Bluetooth module is built in, so you can watch real-time charging status on your smartphone in the Smart Life app with no add-on hardware.
Pick LCO, LTO, LFP, lead crystal, gel, AGM, WET or calcium, or set your own absorption, equalization, float and restart values in custom mode. AGM is the default. Lead-acid batteries finish with float charging at 13.6V on a 12V system, while lithium batteries stop after absorption and restart when voltage drops, at 13.3V for LFP. Settings double for 24V systems.
If a lithium battery's BMS has switched it off after an over-discharge, the controller sends a periodic signal to the battery terminals to activate it. You can also press the BATT button for 3 seconds to wake it manually. Deeply discharged batteries start with a gentle soft-start stage before full charging.
Press PV to step through solar voltage, current, power and kWh, and BATT to see battery voltage, charging current, amp-hours and temperature from the optional sensor. An on-screen bar shows charge at 25%, 50%, 75% or 100%. At night, the LCD works as a voltmeter or thermometer.
Built-in protection covers reverse polarity on the solar and battery connections, reverse current at night, over-temperature with current de-rating, and transient surges at the solar input and battery output. The board is conformal coated, the internal electronics are rated IP43 with IP22 at the connection area, and a rubber mask covers the terminals. The controller uses a common negative ground.
Larger RV and trailer arrays. Run up to 700W of panels on a 12V house battery bank.
Boats. Charge house batteries from a larger deck or arch array, with the controller mounted inside, out of the weather.
Off-grid systems. Feed up to 1,400W of solar into a 24V battery bank.
A PWM controller pulls the panels down toward battery voltage, which leaves the extra panel voltage unused. The BRAVO 50 converts that voltage into extra charging current, so series-wired panels and longer cable runs make more sense.
Splitting a large array between two smaller controllers means more wiring, more fuses and two units to set up. One BRAVO 50 can take up to 1,400W at 24V through a single set of terminals, with one app connection to check.
Rich Solar recommends a 60A inline fuse on the positive wire of both the solar and battery circuits, placed as close to the battery or panel as possible. Size stranded copper wire by one-way distance: 8 AWG under 10 ft (3 m), 6 AWG for 10 to 20 ft (3 to 6 m) and 4 AWG for 20 to 30 ft (6 to 9 m). Keep the controller as close to the battery as you can, and cover the panels before you connect cables.
Keep the array's open-circuit voltage at or below 100V at -20°C and its short-circuit current within 62.5A. Mount the BRAVO 50 on a vertical wall indoors, protected from the weather, for good cable routing and cooling. It operates from -13°F to 122°F (-25°C to 50°C).
Rich Solar recommends a 60A inline fuse on the positive wire of both the solar and battery circuits.
Yes. In AUTO mode it detects 12V or 24V when you connect the battery, or you can hold SET UP for 3 seconds and choose 12V or 24V yourself.
Yes. The LFP preset absorbs at 14.2V on a 12V system and restarts charging at 13.3V. The controller can also try to wake a LiFePO4 battery that its BMS has shut off.
No. The external battery temperature sensor is optional and plugs into the TEMP. SENSOR port.
The Rich Solar BRAVO 50 MPPT Controller gives 12V and 24V systems 50 amps of MPPT charging, built-in Bluetooth and presets for lithium and lead-acid batteries. If you'd like help sizing your array, fuses or cables, the Outbound Power team is happy to help.
Rich Solar BRAVO 50 50 Amp MPPT Solar Charge Controller Specifications |
|
|---|---|
| Model | RS-MPPT50P |
| Charging | |
| Charging Technology | MPPT |
| Max Charging Current | 50A |
| MPPT Tracking Efficiency | >99.5% |
| Charge Conversion Efficiency | Up to 98% |
| Battery Type Presets | Gel, AGM, WET, Crystal, Calcium, LFP (LiFePO4), LTO, LCO, Custom |
| Default Battery Type | AGM |
| Absorption Voltage at 25°C | LFP 14.2V, LTO 14.0V, LCO 12.6V, Gel 14.1V, AGM 14.4V, WET 14.7V, Crystal 14.7V, Calcium 14.9V |
| Custom Absorption Range | 13.2V to 15.5V |
| Float Voltage at 25°C | 13.6V (lead-acid types) |
| Absorption Timer | 4 h lead-acid, 0.5 h lithium |
| Equalization | 15.5V for 2 h, WET and Calcium only, below 10V or every 28 days |
| Restart Voltage | 12.7V lead-acid, 12.0V LCO, 13.0V LTO, 13.3V LFP |
| Soft Start | 5V to 10V at 25A |
| Temperature Compensation | -24mV/°C (-20°C to 50°C) |
| Voltage Settings | Listed for 12V; x2 for 24V |
| Solar Input | |
| Max PV Open-Circuit Voltage | 100V DC at -20°C |
| Max Normal PV Input Voltage | 92V at 25°C |
| Max PV Input Current | 50A |
| Max PV Short-Circuit Current | 62.5A |
| MPP Voltage Range | Battery voltage +3V to 72V |
| Max Recommended PV Input Power | 700W (12V) / 1400W (24V) |
| Battery | |
| System Voltage | 12V/24V auto |
| Self-Consumption (PV Disconnected) | 10mA |
| Recommended Fuse | 60A inline on solar and battery positive |
| Monitoring and Communication | |
| Display | LCD with LED indicators and charge bar |
| Bluetooth | Built in (Smart Life app) |
| Optional Accessory | External battery temperature sensor |
| Physical | |
| Mounting | Indoor, vertical wall mount |
| Terminals | Rated 50A connector, rubber mask cover |
| IP Grade | IP43 (internal PCBA), IP22 (connection area) |
| Grounding | Common negative |
| Housing | Plastic (PC), black/grey |
| Dimensions | 7.7 x 5.5 x 2.9 in (195 x 140 x 74 mm) |
| Net Weight | 3.09 lb (1.40 kg) |
| Operating Temperature | -13°F to 122°F (-25°C to 50°C) |
| Storage Temperature | -40°F to 185°F (-40°C to 85°C) |
| Operating Humidity | 0-85% RH |
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