Manufacturer and seller images. Configuration examples may include additional equipment.
Image source: RICH SOLAR RS-MPPT20 20A MPPT solar charge controller, the main image on RICH SOLAR's store page Paid link.Paid link. As an Amazon Associate we earn from qualifying purchases. Price as of Nov 12, 2026, 12:40 PM PST, may change
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
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RICH SOLAR's store page prints "SKU: RS-MPPT20" and the specification sheet prints "MODEL: RS-MPPT20"; the manual's cover lists RS-MPPT20.
Official product page: 20 Amp MPPT Solar Charge Controller, RICH SOLAR store page (October 9, 2026 capture) Paid link.Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: Store page SKU line; specification sheet model line
Documented
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℃)".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. solar input voltage
Documented
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.
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) Rev 1.01 · Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Weight
Documented
The manual prints "Product dimensions 210*151*59.5mm" 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.
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) Rev 1.01 · Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Product dimensions
Documented
The manual prints "Protection degree IP32" (read from the rendered PDF page 9); the specification sheet prints "Protection Degree" IP32.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Protection degree
Documented
The manual prints "Communication method RS232" (read from the rendered PDF page 9); the specification sheet prints "Communication Method" RS232.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Communication method
Documented
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.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated load current
Documented
The manual's cover reads "Maximum Power Point Tracking (MPPT) Series"; the specification sheet is titled "Solar Charge Controller 20AMP MPPT".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 1, cover, Maximum Power Point Tracking (MPPT) Series
Documented
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".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated charging current
Documented
2 specs not documented yet: rated capacity, usable capacityHelp fill in ›
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℃)".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. solar input voltage
Documented
Published claims and calculations are not independently tested lifetime output.
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.
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) Rev 1.01 · Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Weight
Documented
The manual prints "Product dimensions 210*151*59.5mm" 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.
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) Rev 1.01 · Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Product dimensions
Documented
The manual prints "Protection degree IP32" (read from the rendered PDF page 9); the specification sheet prints "Protection Degree" IP32.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Protection degree
Documented
The manual prints "Communication method RS232" (read from the rendered PDF page 9); the specification sheet prints "Communication Method" RS232.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Communication method
Documented
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.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated load current
Documented
The manual's cover reads "Maximum Power Point Tracking (MPPT) Series"; the specification sheet is titled "Solar Charge Controller 20AMP MPPT".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 1, cover, Maximum Power Point Tracking (MPPT) Series
Documented
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".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Rated charging current
Documented
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".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, System voltage
Documented
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".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power
Documented
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).
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) Rev 1.01 · Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Max. photovoltaic system input power, RS-MPPT20 column
Documented
The manual prints "Operating temperature -35 to +45" with the degree signs missing from the rendered page; the specification sheet prints "-35℃ to +45℃".
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Operating temperature
Documented
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.
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) Rev 1.01 · Checked · Earlier documentOfficial datasheet: RICH SOLAR 20AMP MPPT Solar Charge Controller specification sheet, RS-MPPT20 (PDF) Checked · Earlier documentLocation: PDF page 9 (printed page 13), 6.1 Electric Parameters, Conversion efficiency
Documented
Published claims and calculations, not independent test results.
Archived copy captured on 2026-10-09.
Location: Specifications table
Retrieved
RICH SOLAR's two-page specification sheet for the RS-MPPT20, linked from the Specifications download on its store page and captured on October 9, 2026; it prints "© 2024 RICH SOLAR ALL RIGHTS RESERVED". Manufacturer claims, not independent tests.
Archived copy of a document published by RICH SOLAR. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what RICH SOLAR published. Original address: https://cdn.shopify.com/s/files/1/0058/2769/0553/files/RS-MPPT20-Specification.pdf?v=1718612787. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: a9707d95f41519c953957e30819b5d9a3ccda3e3a9440aadcce891b460091e99
Archived copy captured on 2026-10-09.
Location: PDF page 1, cover; PDF page 9 (printed page 13), 6.1 Electric Parameters
Retrieved
RICH SOLAR's user manual for the RS-MPPT20, RS-MPPT30 and RS-MPPT40, linked from the Manual download on each of the three store pages and captured on October 9, 2026. The PDF lays two printed pages on each sheet and its text layer is not readable, so figures were read from the rendered pages: PDF page 1 (cover naming the three models and Version 1.01) and PDF page 9 (printed page 13), 6.1 Electric Parameters. Manufacturer claims, not independent tests.
Archived copy of a document published by RICH SOLAR. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what RICH SOLAR published. Original address: https://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. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 1852d027496d4de1261841b6a96dcafe613fe833833cff91fe1c8705e9fd99b4
Archived copy captured on 2026-10-09.
Location: SKU line; Specifications & Downloads
Retrieved
RICH SOLAR's own US store page for SKU RS-MPPT20, captured on October 9, 2026; it links the documents cited beside it. Manufacturer claims, not independent tests; the page carries no revision date.
Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.
Archived copy of a document published by RICH SOLAR. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what RICH SOLAR published. Original address: https://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. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 1852d027496d4de1261841b6a96dcafe613fe833833cff91fe1c8705e9fd99b4
Archived copy of a document published by RICH SOLAR. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived copy, unaltered, kept as a record of what RICH SOLAR published. Original address: https://cdn.shopify.com/s/files/1/0058/2769/0553/files/RS-MPPT20-Specification.pdf?v=1718612787. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: a9707d95f41519c953957e30819b5d9a3ccda3e3a9440aadcce891b460091e99
No warranty terms on file.
Affiliate links below. As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure
Price for one unit, as listed by the seller. Price checked .
The seller lists this as a new unit.
Official store listing: RICH SOLAR product listing Paid link.Checked · Earlier documentPrice from the Amazon Creators API for the New-condition featured offer. Price checked .
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
The seller lists this as a new unit.
Source product page: Amazon listing B079ZM9MR6, identity checked through the Amazon Creators API Paid link. As an Amazon Associate we earn from qualifying purchases.CheckedProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Prices we read at RICH SOLAR · 26 readings · no change in our readings since
Since · Listing price (USD)
A break in a line is a gap in our readings: no price is drawn for days we did not read.
| Checked (UTC) | Seller | Price |
|---|---|---|
| Oct 3, 2026, 11:32 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 16, 2026, 1:05 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 17, 2026, 1:15 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 18, 2026, 1:05 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 20, 2026, 1:35 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 21, 2026, 1:36 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 23, 2026, 3:10 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 24, 2026, 1:06 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 25, 2026, 1:06 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 27, 2026, 1:06 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 28, 2026, 1:26 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 29, 2026, 1:16 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 30, 2026, 1:26 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Oct 31, 2026, 1:26 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Nov 1, 2026, 1:06 AM PDT | RICH SOLAR Paid link. | $89.99 |
| Nov 2, 2026, 1:36 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 3, 2026, 1:06 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 4, 2026, 1:06 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 5, 2026, 1:06 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 6, 2026, 1:06 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 7, 2026, 1:16 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 8, 2026, 1:16 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 9, 2026, 1:16 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 10, 2026, 1:06 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 11, 2026, 1:33 AM PST | RICH SOLAR Paid link. | $89.99 |
| Nov 12, 2026, 1:26 AM PST | RICH SOLAR Paid link. | $89.99 |
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Manufacturer SKU RS-MPPT20 · US market
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Links to DIY Solar Forum threads. The title is the forum's own words. It is a member's experience, not a Charged test, not a verified fault rate, and not a statement by the maker.
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