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RICH SOLAR RS-MPPT20 20 Amp MPPT Solar Charge Controller

Model: RS-MPPT20 · SKU: RS-MPPT20

Prepared Nov 12, 2026

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Common specifications

Controller type	MPPTSource [1, 2]
Maximum PV voltage	100 VSource [1, 2]
Maximum PV input power	260W/12V, 520W/24VSource [1, 2]
Maximum PV input power by battery voltage	260 W at 12 V; 520 W at 24 VSource [1]
PV input current / MPPT	Not documented
Charge current	20 ASource [1, 2]
Battery voltage	12V/24V AutoSource [1, 2]
Battery chemistry	Not documented
Efficiency	Not documented
MPPT tracking efficiency	Not documented
Maximum conversion efficiency	98 %Source [1, 2]
Full-load efficiency	Not documented
Charger efficiency	Not documented
Weighted efficiency	Not documented
Rated charge power	Not documented
Load output current	20 ASource [1, 2]
Self-consumption	Not documented
Enclosure	IP32Source [1, 2]
Safety listing	Not documented
Enclosure volume	Not documented
Warranty term	Not documented

All recorded specifications

Battery voltage	12V/24V AutoDocumented claim Conditions The manual prints "System voltage 12V/24VAuto" and "Battery voltage 9V to 35V" (read from the rendered PDF page 9); the specification sheet prints "Nominal System Voltage 12V/24V Auto" and "Battery Voltage 9V to 35V". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, System voltage The manual prints "System voltage 12V/24VAuto" and "Battery voltage 9V to 35V" (read from the rendered PDF page 9); the specification sheet prints "Nominal System Voltage 12V/24V Auto" and "Battery Voltage 9V to 35V". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, System voltage Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Charge current	20 ADocumented claim Conditions The manual prints "Rated charging current 20A" in the RS-MPPT20 column (read from the rendered PDF page 9); the specification sheet prints "Rated Charging Current 20A". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated charging current The manual prints "Rated charging current 20A" in the RS-MPPT20 column (read from the rendered PDF page 9); the specification sheet prints "Rated Charging Current 20A". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated charging current Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Communications	RS232Documented claim Conditions The manual prints "Communication method RS232" (read from the rendered PDF page 9); the specification sheet prints "Communication Method" RS232. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Communication method The manual prints "Communication method RS232" (read from the rendered PDF page 9); the specification sheet prints "Communication Method" RS232. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Communication method Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Controller type	MPPTDocumented claim Conditions The manual's cover reads "Maximum Power Point Tracking (MPPT) Series"; the specification sheet is titled "Solar Charge Controller 20AMP MPPT". Location: PDF page 1, cover, Maximum Power Point Tracking (MPPT) Series The manual's cover reads "Maximum Power Point Tracking (MPPT) Series"; the specification sheet is titled "Solar Charge Controller 20AMP MPPT". Location: PDF page 1, cover, Maximum Power Point Tracking (MPPT) Series Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Dimensions	210 x 151 x 59.5 mmDocumented claim Conditions The manual prints "Product dimensions 21015159.5mm" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "Overall Dimension 8.27 x 5.94 x 2.34in", the same size in inches within rounding. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Product dimensions The manual prints "Product dimensions 21015159.5mm" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "Overall Dimension 8.27 x 5.94 x 2.34in", the same size in inches within rounding. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Product dimensions Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF) [1]
Enclosure	IP32Documented claim Conditions The manual prints "Protection degree IP32" (read from the rendered PDF page 9); the specification sheet prints "Protection Degree" IP32. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Protection degree The manual prints "Protection degree IP32" (read from the rendered PDF page 9); the specification sheet prints "Protection Degree" IP32. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Protection degree Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Load output current	20 ADocumented claim Conditions The manual prints "Rated load current 20A" for all three models (read from the rendered PDF page 9); the specification sheet prints "Rated Load Current" 20A. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated load current The manual prints "Rated load current 20A" for all three models (read from the rendered PDF page 9); the specification sheet prints "Rated Load Current" 20A. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated load current Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Maximum conversion efficiency	98 %Documented claim≤98% as printed Conditions The manual prints "Conversion efficiency ≤98%" and "MPPT tracking efficiency > 99%" (read from the rendered PDF page 9); the specification sheet prints "≤98%". An upper bound as printed, not a typical value. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Conversion efficiency The manual prints "Conversion efficiency ≤98%" and "MPPT tracking efficiency > 99%" (read from the rendered PDF page 9); the specification sheet prints "≤98%". An upper bound as printed, not a typical value. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Conversion efficiency Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Maximum PV input power	260W/12V, 520W/24VDocumented claim Conditions The manual prints "260W/12V 520W/24V" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "260W/12V, 520W/24V". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power The manual prints "260W/12V 520W/24V" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "260W/12V, 520W/24V". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Maximum PV input power by battery voltage	260 W at 12 V; 520 W at 24 VDocumented claim Conditions Printed as "260W/12V 520W/24V" in the RS-MPPT20 column of the "Max. photovoltaic system input power" row of RICH SOLAR's RS-MPPT20/30/40 user manual (read from the rendered page). Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power, RS-MPPT20 column Printed as "260W/12V 520W/24V" in the RS-MPPT20 column of the "Max. photovoltaic system input power" row of RICH SOLAR's RS-MPPT20/30/40 user manual (read from the rendered page). Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power, RS-MPPT20 column Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF) [1]
Maximum PV voltage	100 VDocumented claim100 V at 25 °C; 90 V at -25 °C Conditions The manual prints "Max. solar input voltage 100V(25 ) 90V(-25 )" with the degree signs missing from the rendered page; the specification sheet prints "Max Solar Input Voltage 100V(25℃), 90V(-25℃)". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. solar input voltage The manual prints "Max. solar input voltage 100V(25 ) 90V(-25 )" with the degree signs missing from the rendered page; the specification sheet prints "Max Solar Input Voltage 100V(25℃), 90V(-25℃)". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. solar input voltage Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Operating temperature	-35 to 45 °C-31 to 113 °F convertedDocumented claim Conditions The manual prints "Operating temperature -35 to +45" with the degree signs missing from the rendered page; the specification sheet prints "-35℃ to +45℃". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Operating temperature The manual prints "Operating temperature -35 to +45" with the degree signs missing from the rendered page; the specification sheet prints "-35℃ to +45℃". Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Operating temperature Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official datasheet · RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) [1, 2]
Weight	1.4 kg3.1 lb convertedDocumented claim Conditions The manual prints "Weight 1.4Kg" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "Net Weight 3.08lb", the same weight in pounds within rounding. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Weight The manual prints "Weight 1.4Kg" in the RS-MPPT20 column (read from the rendered PDF page 9). The specification sheet prints "Net Weight 3.08lb", the same weight in pounds within rounding. Location: PDF page 9 (printed page 13), 6.1 Electric Parameters, Weight Official user manual · RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

RICH SOLAR Solar Charge and Discharge Controller user manual, Maximum Power Point Tracking (MPPT) Series RS-MPPT20, RS-MPPT30, RS-MPPT40, version 1.01 (PDF)Official user manual · Revision 1.01 · Checked Oct 9, 2026https://cdn.shopify.com/s/files/1/0058/2769/0553/files/20A_30A_40A_MPPT_Solar_Charge_Controller_Manaul_adbc78d0-4928-4b06-a0bd-52f92076c261.pdf?v=1718730056
RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF)Official datasheet · Checked Oct 9, 2026https://cdn.shopify.com/s/files/1/0058/2769/0553/files/RS-MPPT20-Specification.pdf?v=1718612787
20 Amp MPPT Solar Charge Controller, RICH SOLAR store page (October 9, 2026 capture)Paid link.Official product page · Checked Oct 9, 2026https://richsolar.com/products/20-amp-mppt-solar-charge-controller