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ACOPOWER ProteusX 20A PWM Solar Charge Controller: ACOPOWER ProteusX 20A PWM solar charge controller (HY-PWM-PX20A), manufacturer product image
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Image source: ACOPOWER ProteusX 20A PWM solar charge controller (HY-PWM-PX20A), manufacturer product image Paid link.

ACOPOWER ProteusX 20A PWM Solar Charge Controller

By ACOPOWERSKU HY-PWM-PX20A

Charge controller
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from$36.77
$36.77 at AmazonView all sellers

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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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SaveReport an errorWrite a reviewQuick reference sheet
Controller typePWMMaximum PV voltage (Voc)25 VRated charge current20 ABattery voltages12 VMaximum PV input powerNot statedPeak efficiencyNot stated

Key specs

Units
SKU
HY-PWM-PX20A
Official store listingPaid link.
Sources

Printed as "sku":"HY-PWM-PX20A" in ACOPOWER's own US store product feed (acopower.com/products.json), captured September 28, 2026.

Official store listing: ACOPOWER store Paid link.Checked · Earlier document

Location: Store product feed (products.json), variant SKU field

Documented

Maximum PV voltage
25 V
Official user manual
Sources

Same printed value block as the battery voltage.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Technical Data table, Max volt on PV Terminal row

Documented

Weight
0.22 kg0.48 lb converted
Converted: 217 g / 1000 = 0.217 kg
Official user manual
Sources

Converted: 217 g / 1000 = 0.217 kg

Printed as "217g" in the manual's Technical Data table, captured September 28, 2026. Converted: 217 g / 1000 = 0.217 kg.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Technical Data table, Weight row

Converted

Dimensions
142 * 94 * 27mm
Official user manual
Sources

Printed as "142 * 94 * 27mm" in the manual's Technical Data table, captured September 28, 2026.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Product Overview, Dimensions section

Documented

Enclosure
IP65
Official user manual
Sources

Printed as "IP65" among the values preceding the Technical Data labels, captured September 28, 2026.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Technical Data table, Protection degree row

Documented

Grounding (manual)
if grounding is required, ground the negative wires
Official instruction manual
Sources

Printed as "If any grounding is required, always do this on the negative wires." in ACOPOWER's ProteusX PWM solar charge controller user manual (ACO300-NBT) (PDF page 10). The manual applies to this model: Manual names the ACO300-NBT solar controller (record model ACO300-NBT); maker product page for the ProteusX 20A links this file.

Official instruction manual: ACOPOWER: ProteusX PWM solar charge controller user manual (ACO300-NBT) Checked · Earlier document

Location: PDF page 10

Documented

Installation clearances (manual)
minimum clearance of 15cm below and around the device
Official instruction manual
Sources

Printed as "Maintain a minimum clearance of 15cm below and around the device to ensure unhindered air circulation." in ACOPOWER's ProteusX PWM solar charge controller user manual (ACO300-NBT) (PDF page 8). The manual applies to this model: Manual names the ACO300-NBT solar controller (record model ACO300-NBT); maker product page for the ProteusX 20A links this file.

Official instruction manual: ACOPOWER: ProteusX PWM solar charge controller user manual (ACO300-NBT) Checked · Earlier document

Location: PDF page 8

Documented

Controller type
PWM
Official user manual
Sources

The manual's contents list a section headed "PWM Technology", and the store page names the product "ProteusX 20A PWM Solar Charge Controller", captured September 28, 2026.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Manual cover, product line and PWM Technology section

Documented

Charge current
20 A
Official product pagePaid link.
Sources

Printed as "ProteusX 20A PWM Solar Charge Controller" (page title and product name) and "1 x ProteusX 20A Solar Charge Controller" (Package List); the manual's own fuse-sizing note separately reads "40A fuse for 20A controller", captured September 28, 2026.

Official product page: ACOPOWER ProteusX 20A PWM Solar Charge Controller product page (September 28, 2026 capture) Paid link.Checked · Earlier document

Location: Page title

Documented

2 specs not documented yet: rated capacity, usable capacityHelp fill in ›

All specs16
Rated capacity
Not documented
Usable capacity
Not documented
Maximum PV voltage
25 V
Official user manual
Sources

Same printed value block as the battery voltage.

Official user manual: ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture) Checked · Earlier document

Location: Technical Data table, Max volt on PV Terminal row

Documented

Lifetime production

Not published

Published claims and calculations are not independently tested lifetime output.

Published claims and calculations, not independent test results.

Documents

3 on file
  • PDF
    ACOPOWER: ProteusX PWM solar charge controller user manual (ACO300-NBT)OfficialACOPOWEROfficial instruction manual
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-10-15.

    Location: Installation instructions

    Retrieved

    ACOPOWER's own manual, captured October 15, 2026 with the paced research fetcher (robots.txt read first). Manufacturer instructions, not independent tests.

    Archived copies

    Archived copy of a document published by ACOPOWER. 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 · 0.51 MB

    Archived copy, unaltered, kept as a record of what ACOPOWER published. Original address: https://cdn.shopify.com/s/files/1/0095/7431/8146/files/PX20A_New_475f5875-30b9-4789-bb30-ea70ff3d4821.pdf?v=1729237095. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    16
    Embedded creation date
    Embedded modification date

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

    SHA-256: 57b9fd27441c9cc101fdb9d5e5b159bff80c80ca911c602d2a7103b9c8896746

    Open
  • WEB
    ACOPOWER Warranty & Return page (captured October 29, 2026)OfficialACOPOWEROfficial warranty
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-10-29.

    Location: Limited Warranty; Warranty Period; Exchange; Limited to Original Consumer Buyer; Exclusions

    Retrieved

    ACOPOWER's own Warranty & Return page, captured October 29, 2026: ACOPOWER's general warranty for its products by category (TESFRIDGE, solar panels, other products). It names no model and prints no policy date; a product's own document that prints a different warranty takes precedence on that product's record.

    OpenPaid link.
  • WEB
    ACOPOWER ProteusX 20A PWM Solar Charge Controller product page (September 28, 2026 capture)OfficialACOPOWEROfficial product page
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-09-28.

    Location: Product title; Package List; User Manual link

    Retrieved

    ACOPOWER's own US store page for this controller, captured September 28, 2026. Prints no inline specifications table; links the manual, which is the source for every electrical/mechanical figure. No certification mark is printed on the page.

    OpenPaid link.

Archive and older revisions

Archive and older revisions0

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

Archived documents

ACOPOWER ProteusX (ACO300-NBT) solar charge controller user manual (September 28, 2026 capture)

Archived copy of a document published by ACOPOWER. 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 · 0.51 MB

Archived copy, unaltered, kept as a record of what ACOPOWER published. Original address: https://cdn.shopify.com/s/files/1/0095/7431/8146/files/PX20A_New_475f5875-30b9-4789-bb30-ea70ff3d4821.pdf?v=1729237095. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
16
Embedded creation date
Embedded modification date

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

SHA-256: 57b9fd27441c9cc101fdb9d5e5b159bff80c80ca911c602d2a7103b9c8896746

Submit a document

Warranty

Remedy
Replacement at ACOPower's expense of a product that fails to operate during the warranty period due to a defect in workmanship or material; the replacement assumes the remaining warranty of the original product
Official warrantyPaid link.
Sources

ACOPOWER's own Warranty & Return page (acopower.com/pages/warranty-return, captured October 29, 2026), its general warranty for ACOPOWER products, prints under "Exchange": "ACOPower will replace (at ACOPower's expense) any ACOPower product that fails to operate during the applicable warranty period due to defect in workmanship or material. A replacement product assumes the remaining warranty of the original product."

Official warranty: ACOPOWER Warranty & Return page (captured October 29, 2026) Paid link.Checked · Earlier document

Location: Warranty & Return page, "Exchange"

Documented

Transfer to another owner
Limited to the original consumer purchaser; not transferable to any subsequent owner
Official warrantyPaid link.
Sources

ACOPOWER's own Warranty & Return page (acopower.com/pages/warranty-return, captured October 29, 2026), its general warranty for ACOPOWER products, prints under "Limited to Original Consumer Buyer": "The warranty on ACOPower's product is limited to the original consumer purchaser and is not transferable to any subsequent owner."

Official warranty: ACOPOWER Warranty & Return page (captured October 29, 2026) Paid link.Checked · Earlier document

Location: Warranty & Return page, "Limited to Original Consumer Buyer"

Documented

Coverage conditions
Covers defects in workmanship and material under normal consumer use. Excludes a product misused, abused, modified, damaged by accident or used for anything other than normal consumer use as authorized in ACOPower's current product literature; attempted repair by anyone other than an authorized facility; and any product purchased through an online auction house
Official warrantyPaid link.
Sources

ACOPOWER's own Warranty & Return page (acopower.com/pages/warranty-return, captured October 29, 2026), its general warranty for ACOPOWER products, prints under "Limited Warranty": "ACOPower Inc. warrants to the original consumer purchaser that the ACOPower product will be free from defects in workmanship and material under normal consumer use during the applicable warranty period identified in the 'Warranty Period' section below, subject to the exclusions set forth below." Its "Exclusions" list: "Misused, abused, modified, damaged by accident, or used for anything other than normal consumer use as authorized in ACOPower's current product literature."; "Attempted repair by anyone other than an authorized facility"; "Any product purchased through an online auction house.". The list's fourth exclusion, on the battery cell, is not recorded here because this record holds no battery cell.

Official warranty: ACOPOWER Warranty & Return page (captured October 29, 2026) Paid link.Checked · Earlier document

Location: Warranty & Return page, "Limited Warranty" and "Exclusions"

Documented

Coverage starts
Original consumer purchaser's date of purchase; proof of purchase, such as the sales receipt, is required
Official warrantyPaid link.
Sources

ACOPOWER's own Warranty & Return page (acopower.com/pages/warranty-return, captured October 29, 2026), its general warranty for ACOPOWER products, prints under "Warranty Period": "The warranty period starts from the original consumer purchaser's date of purchase, and proof of purchase, such as the sales receipt, is necessary to establish the commencement of the warranty period."

Official warranty: ACOPOWER Warranty & Return page (captured October 29, 2026) Paid link.Checked · Earlier document

Location: Warranty & Return page, "Warranty Period"

Documented

Product warranty
1 year
Official warrantyPaid link.
Sources

ACOPOWER's own Warranty & Return page (acopower.com/pages/warranty-return, captured October 29, 2026), its general warranty for ACOPOWER products, prints under "Warranty Period": "Solar panels are covered for 5 years under the warranty, while other products are covered for one year." This record is not a solar panel or a TesFridge, so the term for other products applies. The page names product categories, not models; no ACOPOWER document this record cites prints a warranty of its own.

Official warranty: ACOPOWER Warranty & Return page (captured October 29, 2026) Paid link.Checked · Earlier document

Location: Warranty & Return page, "Warranty Period"

Documented

Sellers

Affiliate links below. As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Amazon

4.1 (7)not verified

Sold by ACOPOWER

Listing SKU B088WN2T2J

$36.77Price as of Nov 10, 2026, 4:40 PM PST, may change
Visit sellerPaid link. As an Amazon Associate we earn from qualifying purchases.

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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Price history

$65.90

Prices we read at ACOPOWER · 14 readings · no change in our readings since

Chart, listings & data

Since · Listing price (USD)

View listing at ACOPOWER Paid link.
$60$65$70ACOPOWER: $65.90 · Oct 3, 2026, 11:13 AM PDTACOPOWER: $65.90 · Oct 11, 2026, 2:32 AM PDTACOPOWER: $65.90 · Oct 16, 2026, 3:02 AM PDTACOPOWER: $65.90 · Oct 22, 2026, 2:32 AM PDTACOPOWER: $65.90 · Oct 23, 2026, 3:10 AM PDTACOPOWER: $65.90 · Oct 24, 2026, 1:05 AM PDTACOPOWER: $65.90 · Oct 25, 2026, 1:05 AM PDTACOPOWER: $65.90 · Oct 26, 2026, 1:05 AM PDTACOPOWER: $65.90 · Oct 27, 2026, 1:05 AM PDTACOPOWER: $65.90 · Nov 1, 2026, 1:05 AM PDTACOPOWER: $65.90 · Nov 4, 2026, 1:05 AM PSTACOPOWER: $65.90 · Nov 5, 2026, 1:05 AM PSTACOPOWER: $65.90 · Nov 6, 2026, 1:05 AM PSTACOPOWER: $65.90 · Nov 8, 2026, 4:31 AM PSTOct 3, 2026Nov 8, 2026
ACOPOWER$65.90Nov 8, 2026, 4:31 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)SellerPrice
Oct 3, 2026, 11:13 AM PDTACOPOWER Paid link.$65.90
Oct 11, 2026, 2:32 AM PDTACOPOWER Paid link.$65.90
Oct 16, 2026, 3:02 AM PDTACOPOWER Paid link.$65.90
Oct 22, 2026, 2:32 AM PDTACOPOWER Paid link.$65.90
Oct 23, 2026, 3:10 AM PDTACOPOWER Paid link.$65.90
Oct 24, 2026, 1:05 AM PDTACOPOWER Paid link.$65.90
Oct 25, 2026, 1:05 AM PDTACOPOWER Paid link.$65.90
Oct 26, 2026, 1:05 AM PDTACOPOWER Paid link.$65.90
Oct 27, 2026, 1:05 AM PDTACOPOWER Paid link.$65.90
Nov 1, 2026, 1:05 AM PDTACOPOWER Paid link.$65.90
Nov 4, 2026, 1:05 AM PSTACOPOWER Paid link.$65.90
Nov 5, 2026, 1:05 AM PSTACOPOWER Paid link.$65.90
Nov 6, 2026, 1:05 AM PSTACOPOWER Paid link.$65.90
Nov 8, 2026, 4:31 AM PSTACOPOWER Paid link.$65.90

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Evidence score

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Certificates

No certificates on file. Certificate guide

Parts and accessories

No sourced accessories or replacement parts listed yet.

Model history

Model identity

Model
ACO300-NBT

Manufacturer SKU HY-PWM-PX20A · US market

No historical observations recorded yet.

Community discussions

No discussions linked yet. Search DIY Solar Forum

Recalls / legal notices

No recalls or legal notices on file; this is not a complete recall or court search. All notices · Report a notice

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