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MARSTEK SATURN B2500-D: MARSTEK B2500-D, from MARSTEK's own product page for this model.
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Image source: MARSTEK B2500-D, from MARSTEK's own product page for this model.

MARSTEK SATURN B2500-D

By MARSTEKSKU MEG-B2500D

Plug-in solar kit
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Total panel outputNot yet documentedMicroinverter outputNot statedMaximum output to outletNot statedBattery capacity2,240 WhSafety listingNot statedProduct warranty10 years

Key specs

Units
SKU
MEG-B2500D
Official store listing
Sources

Printed as the SKU of the single-unit variant; the two- and three-unit variants carry MEG-B2500D-2 and -3.

Official store listing: Marstek Energy Co., Limited store Checked · Earlier document

Location: product.variants[].sku, variant "MARSTEK SATURN B2500-D"

Documented

Chemistry
LiFePO₄
Official product page
Sources

Printed as "LiFePO₄"; the manual prints "LiFePO4" in its Battery Cell row.

Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document

Location: Product page table, Cell Chemistry

Documented

Battery voltage
44.8 V
Official user manual
Sources

Printed inside the capacity figure as "50000 mAh/ 44.8 V".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Capacity

Documented

Rated capacity
50 Ah
Converted: 50000 mAh / 1000 mAh/Ah
Official user manual
Sources

Converted: 50000 mAh / 1000 mAh/Ah

Printed as "50000 mAh".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Capacity

Converted

MPPT trackers
2
Official product page
Sources

Printed as "2 MPPT 1600W PV Input".

Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document

Location: Product page heading

Documented

Cycle life
6,000 cycles
Official user manual
Sources

Printed as "6000times （25℃）"; the page table prints "6000+ Cycles to 80% Capacity".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Cycle times

Documented

Weight
20 kg44 lb converted
Official user manual
Sources

Printed as "20±0.5 kg"; the page table prints "20±0.5kg".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Weight

Documented

Dimensions
18.93 L
Calculated: Enclosure volume: W × H × D ÷ 1,000,000
Manual and brochure print different dimensions

MARSTEK's SATURN-C B2500 user manual prints "309 x 175 x 350 mm" for the B2500-D; its B2500-D brochure prints "295*175*350mm". Both are kept as printed; the manual's value is shown first.

W: 175 × H: 350 × L: 309 mmW: 6.89 × H: 13.8 × L: 12.2 in convertedOfficial user manual
Sources

Printed as "309 x 175 x 350 mm" without axis labels; recorded in the printed order.

175 W × 350 H × 295 L mm

Rendered PDF page 2 prints "Dimensions" as "295*175*350mm". Axes are not labeled; recorded in the printed order, as the manual's figure is.

Official datasheet: MARSTEK B2500-D brochure (PDF, 2 pages) Checked · Earlier document
Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Dimension

Calculated

Enclosure
IP65
Official user manual
Sources

As printed.

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Waterproof

Documented

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

All specs16
Chemistry
LiFePO₄
Official product page
Sources

Printed as "LiFePO₄"; the manual prints "LiFePO4" in its Battery Cell row.

Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document

Location: Product page table, Cell Chemistry

Documented

Rated capacity
Not documented
Usable capacity
Not documented
Battery voltage
44.8 V
Official user manual
Sources

Printed inside the capacity figure as "50000 mAh/ 44.8 V".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Capacity

Documented

Rated capacity
50 Ah
Converted: 50000 mAh / 1000 mAh/Ah
Official user manual
Sources

Converted: 50000 mAh / 1000 mAh/Ah

Printed as "50000 mAh".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Capacity

Converted

MPPT trackers
2
Official product page
Sources

Printed as "2 MPPT 1600W PV Input".

Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document

Location: Product page heading

Documented

Cycle life
6,000 cycles
Official user manual
Sources

Printed as "6000times （25℃）"; the page table prints "6000+ Cycles to 80% Capacity".

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Specifications, Cycle times

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
    MARSTEK B2500-D brochure (PDF, 2 pages)OfficialMarstek Energy Co., LimitedOfficial datasheet
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-09-29.

    Location: PDF page 2, specification table

    Retrieved

    MARSTEK's two-page brochure listed under MARSTEK SATURN-C B2500; page 2 prints the specification table with the model "B2500-D". Listed as "Brochure" on MARSTEK's Download Center and served from MARSTEK's own Shopify file host (cdn.shopify.com/s/files/1/0746/1575/0952); captured September 29, 2026. Its pages are images with no text layer, so figures were read from the rendered pages and are cited by page without a checked quote. Manufacturer claims, not independently verified.

    Archived copies

    Archived copy of a document published by Marstek Energy Co., Limited. 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 · 0.63 MB

    Archived copy, unaltered, kept as a record of what Marstek Energy Co., Limited published. Original address: https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_Brochure_EN_compressed.pdf. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    2
    Embedded creation date
    Embedded modification date

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

    SHA-256: 535ccae7b7dcc00bd3909cfac0abb8c46fe3ba78ba491bd1af0707b012278bec

    Open
  • PDF
    MARSTEK Micro ESS Power Station B2500 user manual (PDF)OfficialMarstek Energy Co., LimitedOfficial user manual
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: English part, Specifications and Warranty and Contact Information

    Retrieved

    MARSTEK's multilingual B2500 user manual, listed as "User Manual" under MARSTEK SATURN-C B2500. The English part (pages 1 to 24) is read; page 3 prints the specifications and page 23 the warranty terms. Linked from MARSTEK's Download Center and served from MARSTEK's own Shopify file host (cdn.shopify.com/s/files/1/0746/1575/0952), captured September 29, 2026. Manufacturer claims, not independently verified.

    Archived copies

    Archived copy of a document published by Marstek Energy Co., Limited. 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 · 9.14 MB

    Archived copy, unaltered, kept as a record of what Marstek Energy Co., Limited published. Original address: https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_User_Manual_compressed.pdf?v=1776132359. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    204
    Embedded creation date
    Embedded modification date

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

    SHA-256: a79433aa9958a36de7242d69725f3f09cea47d325775cf2d81287f3ff595e6ab

    Open
  • WEB
    MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture)OfficialMarstek Energy Co., LimitedOfficial product page
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: Page text

    Retrieved

    MARSTEK's own product page for the MARSTEK SATURN B2500-D, captured September 29, 2026. Cited for its specification table (model MARSTEK B2500-D), its naming of the product as the SATURN-C B2500 and the statements quoted. Manufacturer claims, not independently verified.

    Open

Archive and older revisions

Archive and older revisions1

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

  • WEB
    MARSTEK Download Center (September 29, 2026 capture)OfficialMarstek Energy Co., LimitedOfficial product page
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: Plug-in ESS and Residential ESS sections

    Retrieved

    MARSTEK's Download Center page, captured September 29, 2026. Cited for the documents it links under each product heading and for the labels it gives them (for example "Product Introduction_EU" and "Brochure_US"). Manufacturer page, not independently verified.

    Open

Archived documents

MARSTEK Micro ESS Power Station B2500 user manual (PDF)

Archived copy of a document published by Marstek Energy Co., Limited. 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 · 9.14 MB

Archived copy, unaltered, kept as a record of what Marstek Energy Co., Limited published. Original address: https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_User_Manual_compressed.pdf?v=1776132359. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
204
Embedded creation date
Embedded modification date

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

SHA-256: a79433aa9958a36de7242d69725f3f09cea47d325775cf2d81287f3ff595e6ab

MARSTEK B2500-D brochure (PDF, 2 pages)

Archived copy of a document published by Marstek Energy Co., Limited. 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 · 0.63 MB

Archived copy, unaltered, kept as a record of what Marstek Energy Co., Limited published. Original address: https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_Brochure_EN_compressed.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
2
Embedded creation date
Embedded modification date

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

SHA-256: 535ccae7b7dcc00bd3909cfac0abb8c46fe3ba78ba491bd1af0707b012278bec

Submit a document

Warranty

Product warranty
10 years
Official user manual
Sources

Printed as "Product warranty period of 10 years." starting from the date of purchase by the consumer, with proof of purchase; the page states "The MARSTEK SATURN-C B2500 comes with a 10-year warranty."

Official user manual: MARSTEK Micro ESS Power Station B2500 user manual (PDF) Checked · Earlier document

Location: User manual, Warranty and Contact Information

Documented

Sellers

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Price history

No seller price history.

Owner reviews

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Evidence score

This category has no Evidence score.

Certificates

6 on file6 claims on file · issuer check pending
EN IEC 62109-1/-2Product / system scope unresolvedClaimedListed when checked

Printed as "EN IEC 62109-1/-2" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document
EN IEC 61000-6-1/3Product / system scope unresolvedClaimedListed when checked

Printed as "EN IEC 61000-6-1/3" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document
IEC62619:2022Product / system scope unresolvedClaimedListed when checked

Printed as "IEC62619:2022" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document
WEEEProduct / system scope unresolvedClaimedListed when checked

Printed as "WEEE" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document
ROHSProduct / system scope unresolvedClaimedListed when checked

Printed as "ROHS" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document
REACHProduct / system scope unresolvedClaimedListed when checked

Printed as "REACH" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked.

Models: MARSTEK B2500-D

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier document

UL 3700 is UL's safety test for plug-in solar units. It does not change the Evidence score. UL 3700 in the certificate guide

Certificate guide

Parts and accessories

No sourced accessories or replacement parts listed yet.

Model history

Model identity

Model
B2500-D
Published model / SKU
SATURN-C B2500

The product page and the Download Center name the product "MARSTEK SATURN-C B2500".

Official product page: MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) Checked · Earlier documentOfficial product page: MARSTEK Download Center (September 29, 2026 capture) Checked · Earlier document

Manufacturer SKU MEG-B2500D

No historical observations recorded yet.

Community discussions

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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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MARSTEKProducts, reviews and history
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