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Renogy DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S-US)
Model: RBC30D1S · SKU: RBC30D1S-US
Prepared Nov 12, 2026
Common specifications
| Charger input | DC and solar (MPPT)Source [1] |
|---|---|
| Input voltage | Solar up to 30 V; traditional alternator 13.2-16 V DC; smart alternator (Euro 6) 12-16 V DCSource [1] |
| Solar input voltage | |
| Solar input limit | 400 WSource [1, 2] |
| Output voltage | Not documented |
| Battery voltage | 12 VSource [1] |
| Charge current | 30 ASource [1, 2] |
| Battery chemistry | SLA, Gel, FLD, Li, User-definedSource [1] |
| Power | Not documented |
| Isolated | Not documented |
| Engine detection | Not documented |
| Weight | |
| Enclosure volume | 2.74 L** Calculated from recorded external dimensions |
| Warranty term | 3 yearsSource [2] |
All recorded specifications
| Battery chemistry | SLA, Gel, FLD, Li, User-definedDocumented claim ConditionsPrinted as "Battery Type SLA, Gel, FLD, Li, User-defined"; User-defined sets custom parameters and is not a chemistry. Location: Technical Specifications, Battery Type row Printed as "Battery Type SLA, Gel, FLD, Li, User-defined"; User-defined sets custom parameters and is not a chemistry. Location: Technical Specifications, Battery Type row |
|---|---|
| Battery voltage | 12 VDocumented claim ConditionsPrinted as "System Voltage 12V DC" and "Battery Voltage Range 9V to 16V DC". Location: Technical Specifications, System Voltage row (one cell for both models) Printed as "System Voltage 12V DC" and "Battery Voltage Range 9V to 16V DC". Location: Technical Specifications, System Voltage row (one cell for both models) |
| Charge current | 30 ADocumented claim ConditionsPrinted as "Maximum Charging Current 30A 50A" under the columns RBC30D1S and RBC50D1S; 30A is the RBC30D1S figure. The store page prints the same. Location: Technical Specifications (printed page 44), Maximum Charging Current row, RBC30D1S column Printed as "Maximum Charging Current 30A 50A" under the columns RBC30D1S and RBC50D1S; 30A is the RBC30D1S figure. The store page prints the same. Location: Technical Specifications (printed page 44), Maximum Charging Current row, RBC30D1S column Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Charger input | DC and solar (MPPT)Documented claim ConditionsThe manual's title is "Dual Input DC-DC On-Board Battery Charger with MPPT"; it prints an alternator (starter battery) input and a solar input, and "Auxiliary Battery Charging Mode MPPT". Location: Technical Specifications, Alternator Input Voltage and Max. Solar Input rows; manual title The manual's title is "Dual Input DC-DC On-Board Battery Charger with MPPT"; it prints an alternator (starter battery) input and a solar input, and "Auxiliary Battery Charging Mode MPPT". Location: Technical Specifications, Alternator Input Voltage and Max. Solar Input rows; manual title |
| Communications | RS485Documented claim ConditionsPrinted as "Communication Protocol RS485" in the manual and the store page. Location: Technical Specifications, Communication Protocol row Printed as "Communication Protocol RS485" in the manual and the store page. Location: Technical Specifications, Communication Protocol row Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Dimensions | 244 D × 146 D × 77 D mm9.61 D × 5.75 D × 3 D in convertedDocumented claim ConditionsPrinted as "9.61 x 5.75 x 3.03 in 244 x 146 x 77 mm"; the table names no axes, so the figures are kept in printed order. The store page prints "Dimensions 9.6*5.7*3.0in" (the same, rounded). Location: Technical Specifications, Dimensions row, RBC30D1S column Printed as "9.61 x 5.75 x 3.03 in 244 x 146 x 77 mm"; the table names no axes, so the figures are kept in printed order. The store page prints "Dimensions 9.6*5.7*3.0in" (the same, rounded). Location: Technical Specifications, Dimensions row, RBC30D1S column Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Input voltage | Solar up to 30 V; traditional alternator 13.2-16 V DC; smart alternator (Euro 6) 12-16 V DCDocumented claim ConditionsPrinted as "Alternator Input Voltage Traditional Alternator: 13.2V to 16V DC Smart Alternator (Euro 6): 12V to 16V DC" (one cell for both models) and "Max. Solar Input Voltage 30V 50V". Location: Technical Specifications, Max. Solar Input Voltage (RBC30D1S column) and Alternator Input Voltage rows Printed as "Alternator Input Voltage Traditional Alternator: 13.2V to 16V DC Smart Alternator (Euro 6): 12V to 16V DC" (one cell for both models) and "Max. Solar Input Voltage 30V 50V". Location: Technical Specifications, Max. Solar Input Voltage (RBC30D1S column) and Alternator Input Voltage rows |
| Max efficiency | 97 %Documented claim ConditionsPrinted as "Charging Efficiency Up to 97%" (an upper figure). The store page also prints "Up to 99% MPPT tracking efficiency and 94% convert efficiency" in its description. Location: Technical Specifications, Charging Efficiency row (one cell for both models) Printed as "Charging Efficiency Up to 97%" (an upper figure). The store page also prints "Up to 99% MPPT tracking efficiency and 94% convert efficiency" in its description. Location: Technical Specifications, Charging Efficiency row (one cell for both models) Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Maximum input power | 400 WDocumented claim ConditionsPrinted as "Max. Alternator Input Power 400W 660W"; 400W is the RBC30D1S figure. Location: Technical Specifications, Max. Alternator Input Power row, RBC30D1S column Printed as "Max. Alternator Input Power 400W 660W"; 400W is the RBC30D1S figure. Location: Technical Specifications, Max. Alternator Input Power row, RBC30D1S column |
| Operating temperature | -35 to 65 °C-31 to 149 °F convertedDocumented claim ConditionsPrinted as "-31°F to 149°F / -35°C to 65°C". Location: Technical Specifications, Operating Temperature Range row Printed as "-31°F to 149°F / -35°C to 65°C". Location: Technical Specifications, Operating Temperature Range row |
| Other compliance claims | CE; ROHS; FCC Part 15 Class B; ETL listed to UL1741 & CSA C22.2Documented claim ConditionsPrinted as "Certifications CE; ROHS; FCC Part 15 Class B; ETL listed to UL1741 & CSA C22.2": the maker's claims as printed; no listing certificate is recorded here. Location: Technical Specifications, Certifications row (one cell for both models) Printed as "Certifications CE; ROHS; FCC Part 15 Class B; ETL listed to UL1741 & CSA C22.2": the maker's claims as printed; no listing certificate is recorded here. Location: Technical Specifications, Certifications row (one cell for both models) |
| Solar input limit | 400 WDocumented claim ConditionsPrinted as "Max. Solar Input Power 400W 660W"; 400W is the RBC30D1S figure. The store page prints "Max. Solar Input Power 400W". Location: Technical Specifications, Max. Solar Input Power row, RBC30D1S column Printed as "Max. Solar Input Power 400W 660W"; 400W is the RBC30D1S figure. The store page prints "Max. Solar Input Power 400W". Location: Technical Specifications, Max. Solar Input Power row, RBC30D1S column Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Solar input voltage | 30 VNeeds confirmationThe user manual (Revision B1) prints 30V for the RBC30D1S (shown); Renogy's US store page prints 25V. ConditionsPrinted as "Max. Solar Input Voltage 30V 50V" under the columns RBC30D1S and RBC50D1S (manual shown). Renogy's store page prints "Max. Solar Input Voltage 25V" (kept as an alternative). Location: Technical Specifications, Max. Solar Input Voltage row, RBC30D1S column Printed as "Max. Solar Input Voltage 30V 50V" under the columns RBC30D1S and RBC50D1S (manual shown). Renogy's store page prints "Max. Solar Input Voltage 25V" (kept as an alternative). Location: Technical Specifications, Max. Solar Input Voltage row, RBC30D1S column Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Storage temperature | -40 to 80 °C-40 to 176 °F convertedDocumented claim ConditionsPrinted as "-40°F to 176°F / -40°C to 80°C". Location: Technical Specifications, Storage Temperature Range row Printed as "-40°F to 176°F / -40°C to 80°C". Location: Technical Specifications, Storage Temperature Range row |
| Terminal size | M8x1.25-14 mmNeeds confirmationThe user manual prints M8x1.25-14 mm (shown); Renogy's US store page prints M8*1.25 - 10mm. ConditionsPrinted as "Terminal Size M8x1.25-14 mm" (manual shown). The store page prints "Terminal Size M8*1.25 - 10mm" (kept as an alternative). Location: Technical Specifications, Terminal Size row Printed as "Terminal Size M8x1.25-14 mm" (manual shown). The store page prints "Terminal Size M8*1.25 - 10mm" (kept as an alternative). Location: Technical Specifications, Terminal Size row Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
| Weight | 1.41 kg3.11 lb convertedDocumented claim ConditionsPrinted as "3.11 lb / 1.41 kg". The store page prints "Weight 3.13Ibs" (about 1.42 kg). Location: Technical Specifications, Weight row, RBC30D1S column Printed as "3.11 lb / 1.41 kg". The store page prints "Weight 3.13Ibs" (about 1.42 kg). Location: Technical Specifications, Weight row, RBC30D1S column Official user manual · Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial product page · Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture) [1, 2] |
Warranty
| Warranty term | 3 yearsDocumented claim ConditionsPrinted as "Material and workmanship warranty 3 Year". Location: Store page, Warranty Printed as "Material and workmanship warranty 3 Year". Location: Store page, Warranty |
|---|
Certificate records
No records documented.
Sources and revisions
- Renogy 12V 30A/50A Dual Input DC-DC On-Board Battery Charger with MPPT (RBC30D1S, RBC50D1S) User ManualOfficial user manual · Checked https://cdn.shopify.com/s/files/1/0631/0137/0483/files/RBC3050D1S-Manual.pdf?v=1752037986
- Renogy storefront product data for the DCC30S 12V 30A Dual Input DC-DC On-Board Battery Charger with MPPT (September 23, 2026 capture)Official product page · Checked https://www.renogy.com/products/dcc30s-12v-30a-dual-input-dc-dc-on-board-battery-charger-with-mppt.js