SKU: R12V40A-DC-Z
Official product pagePaid link.
Sources
Redodo's store page names SKU R12V40A-DC-Z in its product data.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page product data
Documented
Weight: 1.1 kg2.4 lb converted
Converted: 2.43 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Official product pagePaid link.
Sources
Converted: 2.43 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Printed as "Approx. Weight： 2.43lbs", an approximate figure; the pound figure is converted.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, DIMENSIONS, Approx. Weight
Converted
Charger input: DC and solar (MPPT)
Official instruction manual
Sources
Printed as "Solar Charging Mode" with the value line "MPPT" directly below it (OCR lines), beside "Alternator (/Starter Battery)" input rows; single-model manual.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 15, Specifications (General)
Documented
Installation clearances (manual): Clearance should be at least 2 inches (5cm); >2 inches (50 mm) above and below
Official instruction manual
Sources
Read from the rendered page of the scanned manual (no text layer); printed as Make sure there is sufficient room for wiring and ventilation clearance above and below the charger. Clearance should be at least 2 inches (5cm). Figure: >2 inches (50 mm) Warm Air / >2 inches (50 mm) Cool Air. The manual applies to this model: English section names 'REDODO 12V 40A DC-DC DUAL INPUT BATTERY CHARGER' (cover '12V 40A DC-DC Dual Input Battery Charger', solar input 600W/30V, matching the record's DC to DC charger with MPPT); linked as '12V 40A DC to DC Charger' on the US manuals page. Facts taken from the English (EN) section only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 10 (printed page 02, EN), Installation, Mounting, Choosing Location, text and clearance figure
Documented
Dimensions: 5.83 x 1.89 x 7.44 in
Official product pagePaid link.
Sources
Printed as "Size： 5.83*1.89*7.44 inch"; recorded in the printed inches, with no axis order stated.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, DIMENSIONS, Size
Documented
Solar input limit: 600 W
Official instruction manual
Sources
Printed as "Max. Solar Input Power/Voltage" / "600W/30V" (label and value on separate OCR lines); single-model manual.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 4, Product overview
Documented
Charge current: 40 A
Official product pagePaid link.
Sources
Printed as "Charging Current： 40A".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Charging Current
Documented
Engine detection: ACC Wire with the Alternator
Official instruction manual
Sources
Printed as "Connect the ACC Wire with the Alternator (Optional for Smart Alternator)"; the ACC wire goes to a switching ignition source, needed for smart alternators only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 13, Installation (ACC wire step)
Documented
Output voltage: 7V to 15.4V
Official product pagePaid link.
Sources
Printed as "Charging Voltage Range： 7V to 15.4V".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Charging Voltage Range
Documented

All specs17

Weight: 1.1 kg2.4 lb converted
Converted: 2.43 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Official product pagePaid link.
Sources
Converted: 2.43 lb x 0.45359237 kg/lb, rounded to 0.01 kg
Printed as "Approx. Weight： 2.43lbs", an approximate figure; the pound figure is converted.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, DIMENSIONS, Approx. Weight
Converted
Charger input: DC and solar (MPPT)
Official instruction manual
Sources
Printed as "Solar Charging Mode" with the value line "MPPT" directly below it (OCR lines), beside "Alternator (/Starter Battery)" input rows; single-model manual.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 15, Specifications (General)
Documented
Installation clearances (manual): Clearance should be at least 2 inches (5cm); >2 inches (50 mm) above and below
Official instruction manual
Sources
Read from the rendered page of the scanned manual (no text layer); printed as Make sure there is sufficient room for wiring and ventilation clearance above and below the charger. Clearance should be at least 2 inches (5cm). Figure: >2 inches (50 mm) Warm Air / >2 inches (50 mm) Cool Air. The manual applies to this model: English section names 'REDODO 12V 40A DC-DC DUAL INPUT BATTERY CHARGER' (cover '12V 40A DC-DC Dual Input Battery Charger', solar input 600W/30V, matching the record's DC to DC charger with MPPT); linked as '12V 40A DC to DC Charger' on the US manuals page. Facts taken from the English (EN) section only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 10 (printed page 02, EN), Installation, Mounting, Choosing Location, text and clearance figure
Documented
Dimensions: 5.83 x 1.89 x 7.44 in
Official product pagePaid link.
Sources
Printed as "Size： 5.83*1.89*7.44 inch"; recorded in the printed inches, with no axis order stated.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, DIMENSIONS, Size
Documented
Solar input limit: 600 W
Official instruction manual
Sources
Printed as "Max. Solar Input Power/Voltage" / "600W/30V" (label and value on separate OCR lines); single-model manual.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 4, Product overview
Documented
Charge current: 40 A
Official product pagePaid link.
Sources
Printed as "Charging Current： 40A".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Charging Current
Documented
Engine detection: ACC Wire with the Alternator
Official instruction manual
Sources
Printed as "Connect the ACC Wire with the Alternator (Optional for Smart Alternator)"; the ACC wire goes to a switching ignition source, needed for smart alternators only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 13, Installation (ACC wire step)
Documented
Output voltage: 7V to 15.4V
Official product pagePaid link.
Sources
Printed as "Charging Voltage Range： 7V to 15.4V".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Charging Voltage Range
Documented
Battery voltage: 12 V
Official product pagePaid link.
Sources
Printed as "System Nominal Voltage： 12V".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, System Nominal Voltage
Documented
Maximum input power: 600 W
Official product pagePaid link.
Sources
Printed as "Max. Alternator Input Power： 600W"; this is the alternator side, and no solar input power is printed.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Max. Alternator Input Power
Documented
Battery fuse or breaker (manual): Fusing (Rated Charging Current: 40A): Input (Starter Battery/PV) 60A; Output (Service Battery) 50A
Official instruction manual
Sources
Read from the rendered page of the scanned manual (no text layer); printed as Fusing (Rated Charging Current: 40A) / Input (Starter Battery/PV): 60A / Output (Service Battery): 50A. The manual applies to this model: English section names 'REDODO 12V 40A DC-DC DUAL INPUT BATTERY CHARGER' (cover '12V 40A DC-DC Dual Input Battery Charger', solar input 600W/30V, matching the record's DC to DC charger with MPPT); linked as '12V 40A DC to DC Charger' on the US manuals page. Facts taken from the English (EN) section only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 11 (printed page 03, EN), Wiring & Setup, Fusing table
Documented
Max efficiency: Up to 93%
Official product pagePaid link.
Sources
Printed as "Charging Efficiency： Up to 93%", kept with its printed bound.
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Charging Efficiency
Documented
Solar input voltage: 10 to 30 V
Official instruction manual
Sources
Printed as "Min. Solar Input Voltage" / "10V" and "Max. Solar Input Voltage" / "30V" (label and value on separate OCR lines); single-model manual.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 15, Specifications (General)
Documented
Battery chemistry: SLA, AGM, GEL, CA, LI
Official product pagePaid link.
Sources
Printed as "Battery Type： SLA, AGM, GEL, CA, LI".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, Battery Type
Documented
Mounting orientation (manual): stand-alone or wall-mounted both horizontally and vertically; vertical mounting is preferred
Official instruction manual
Sources
Read from the rendered page of the scanned manual (no text layer); printed as This product could be stand-alone or wall-mounted both horizontally and vertically. Vertical mounting is preferred for optimum cooling. The manual applies to this model: English section names 'REDODO 12V 40A DC-DC DUAL INPUT BATTERY CHARGER' (cover '12V 40A DC-DC Dual Input Battery Charger', solar input 600W/30V, matching the record's DC to DC charger with MPPT); linked as '12V 40A DC to DC Charger' on the US manuals page. Facts taken from the English (EN) section only.
Official instruction manual: Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf) Checked Oct 16, 2026 · Earlier document
Location: PDF page 10 (printed page 02, EN), Installation, Securely placed or mounted
Documented
Storage temperature: -20 to 65 °C-4 to 149 °F converted
Official product pagePaid link.
Sources
Printed as "Storage： -20°C to 65°C/-4°F to 149°F".
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, TEMPERATURE, Storage
Documented
Operating temperature: -10 to 45 °C14 to 113 °F converted
Official product pagePaid link.
Sources
Printed as "Operating： -10°C to 45°C/-14'F to 113°F"; the Celsius figures are recorded (the printed -14'F does not equal -10 °C).
Official product page: Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture) Paid link.Checked Oct 9, 2026 · Earlier document
Location: Store page SPECS, TEMPERATURE, Operating
Documented

Published claims and calculations, not independent test results.

Documents

2 on file

PDF
Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf)OfficialRedodoOfficial instruction manual
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-16.
Location: Installation instructions
Retrieved Oct 16, 2026
Redodo's own manual, captured October 16, 2026 with the paced research fetcher (robots.txt read first). A scanned PDF with no text layer: values were read from the rendered pages. Manufacturer instructions, not independent tests.
Archived copies
Archived copy of a document published by Redodo. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived backup Revision not recorded · 12.39 MB
Archived copy, unaltered, kept as a record of what Redodo published. Original address: https://cdn.shopify.com/s/files/1/0561/7641/0714/files/Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf?v=1791875006. Copyright and takedown
Source first found
Oct 16, 2026
This copy captured
Oct 16, 2026, 12:30 PM PDT
Archived
Oct 16, 2026, 12:30 PM PDT
File details
Original source
Pages
44
Embedded creation date
Sep 14, 2026
Embedded modification date
Sep 14, 2026
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 5d4bb729b4d8bd11d976d96abbe72e2580b8aac3b2e8464be6e94a1bb7506e79
Open
WEB
Redodo 12V 40 Amp DC to DC Charger with MPPT, Redodo store page (October 9, 2026 capture)OfficialRedodoOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-09.
Location: Product data SKU; SPECS
Retrieved Oct 9, 2026
Redodo's own US store page, captured on October 9, 2026; its product data names SKU R12V40A-DC-Z. Redodo's Product Manuals page lists no manual for this charger, so the page's SPECS block is the only Redodo document found. Manufacturer claims, not independent tests.
OpenPaid link.

Archive and older revisions0

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

Archived documents

Redodo: user manual (Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf)

Archived copy of a document published by Redodo. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Revision not recorded · 12.39 MB

Archived copy, unaltered, kept as a record of what Redodo published. Original address: https://cdn.shopify.com/s/files/1/0561/7641/0714/files/Redodo-12V40A_DC-DC_MPPT_-EN_JP_DE_44P.pdf?v=1791875006. Copyright and takedown

Source first found: Oct 16, 2026
This copy captured: Oct 16, 2026, 12:30 PM PDT
Archived: Oct 16, 2026, 12:30 PM PDT

File details

Original source

Pages: 44
Embedded creation date: Sep 14, 2026
Embedded modification date: Sep 14, 2026

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 5d4bb729b4d8bd11d976d96abbe72e2580b8aac3b2e8464be6e94a1bb7506e79

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Warranty

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Sellers

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Redodo

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Listing SKU R12V40A-DC-Z

$175.99Recorded Nov 12, 2026

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Price history

$175.99

Prices we read at Redodo · 20 readings · no change in our readings since Oct 3, 2026

Chart, listings & data

Since Oct 3, 2026 · Listing price (USD)

RedodoView listing Paid link.

Redodo$175.99Nov 12, 2026, 1:25 AM PSTLatest check · hover or tap for earlier prices

A break in a line is a gap in our readings: no price is drawn for days we did not read.

Price data

Collected price observations by seller
Checked (UTC)	Seller	Price
Oct 3, 2026, 11:32 AM PDT	Redodo Paid link.	$175.99
Oct 16, 2026, 1:05 AM PDT	Redodo Paid link.	$175.99
Oct 17, 2026, 1:15 AM PDT	Redodo Paid link.	$175.99
Oct 18, 2026, 1:05 AM PDT	Redodo Paid link.	$175.99
Oct 24, 2026, 3:30 AM PDT	Redodo Paid link.	$175.99
Oct 25, 2026, 1:06 AM PDT	Redodo Paid link.	$175.99
Oct 27, 2026, 1:06 AM PDT	Redodo Paid link.	$175.99
Oct 28, 2026, 1:25 AM PDT	Redodo Paid link.	$175.99
Oct 29, 2026, 1:16 AM PDT	Redodo Paid link.	$175.99
Oct 30, 2026, 1:25 AM PDT	Redodo Paid link.	$175.99
Oct 31, 2026, 1:26 AM PDT	Redodo Paid link.	$175.99
Nov 1, 2026, 1:06 AM PDT	Redodo Paid link.	$175.99
Nov 2, 2026, 1:35 AM PST	Redodo Paid link.	$175.99
Nov 3, 2026, 1:06 AM PST	Redodo Paid link.	$175.99
Nov 4, 2026, 1:06 AM PST	Redodo Paid link.	$175.99
Nov 5, 2026, 2:51 AM PST	Redodo Paid link.	$175.99
Nov 7, 2026, 3:21 AM PST	Redodo Paid link.	$175.99
Nov 9, 2026, 1:15 AM PST	Redodo Paid link.	$175.99
Nov 10, 2026, 1:06 AM PST	Redodo Paid link.	$175.99
Nov 12, 2026, 1:25 AM PST	Redodo Paid link.	$175.99

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Certificates

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Parts and accessories

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Model history

Model identity

Model: R12V40A-DC-Z

Manufacturer SKU R12V40A-DC-Z · US market

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