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HomeGrid prints product number 4000043 against "All-Weather Module with Heating (4.8 kWh)" in the Options table of its 21240.3P-Oct25 specification sheet, captured on September 24, 2026. Its US battery warranty lists the same number as "4000043 HG FS48100-15OSJ1-H/P".
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial warranty: Lithion Battery, Inc. Limited Warranty on HomeGrid Battery (USA, effective April 1, 2023) April 1, 2023 · Checked · Earlier documentLocation: Specification sheet 21240.3P-Oct25, Options table; US warranty part-number list
Documented
Printed for the series as "Battery Chemistry Lithium Iron Phosphate (LFP)".
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentLocation: Specification sheet, Battery Chemistry
Documented
Per module, as printed in the Options table and on the Stack'd Series page ("Each white battery module is 4.8 kWh"). A working stack needs 2 to 8 modules on a HomeGrid BMS and base; stack output, dimensions and throughput are printed only per stack.
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial product page: HomeGrid Stack'd Series product page (September 24, 2026 capture) Checked · Earlier documentLocation: Specification sheet Options table; product page Modularity paragraph
Documented
The Options table names this product "All-Weather Module with Heating"; the Stack'd Series page says heated modules automatically keep the batteries within operating temperatures. HomeGrid prints no heater power or activation temperature.
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial product page: HomeGrid Stack'd Series product page (September 24, 2026 capture) Checked · Earlier documentLocation: Specification sheet Options table; product page Heated Modules section
Documented
Charged Reviews classified this product from the documents it is based on. It is our own grouping, not a manufacturer claim.
Printed as "Each Stack contains 2-8 modules (4.8 kWh each)." and "Mounting Options Floor Standing". Classified as Stackable from the maker's own words for this model; the maker also prints wall or floor mounting, quoted here (PM decision, October 13, 2026: a unit printing both stacking words and wall or floor words is Stackable).
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentLocation: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25, overview, page 1 and specification table, page 2
2 specs not documented yet: usable energy, dimensionsHelp fill in ›
Printed for the series as "Battery Chemistry Lithium Iron Phosphate (LFP)".
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentLocation: Specification sheet, Battery Chemistry
Documented
Per module, as printed in the Options table and on the Stack'd Series page ("Each white battery module is 4.8 kWh"). A working stack needs 2 to 8 modules on a HomeGrid BMS and base; stack output, dimensions and throughput are printed only per stack.
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial product page: HomeGrid Stack'd Series product page (September 24, 2026 capture) Checked · Earlier documentLocation: Specification sheet Options table; product page Modularity paragraph
Documented
Published claims and calculations are not independently tested lifetime output.
The Options table names this product "All-Weather Module with Heating"; the Stack'd Series page says heated modules automatically keep the batteries within operating temperatures. HomeGrid prints no heater power or activation temperature.
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial product page: HomeGrid Stack'd Series product page (September 24, 2026 capture) Checked · Earlier documentLocation: Specification sheet Options table; product page Heated Modules section
Documented
Charged Reviews classified this product from the documents it is based on. It is our own grouping, not a manufacturer claim.
Printed as "Each Stack contains 2-8 modules (4.8 kWh each)." and "Mounting Options Floor Standing". Classified as Stackable from the maker's own words for this model; the maker also prints wall or floor mounting, quoted here (PM decision, October 13, 2026: a unit printing both stacking words and wall or floor words is Stackable).
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentLocation: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25, overview, page 1 and specification table, page 2
Published claims and calculations, not independent test results.
Location: Page 1 Options table; page 2 compliance information
Retrieved
HomeGrid's own two-page LV Stack'd Series specification sheet, linked as "Stack'd Series" under Specification Sheets on its Downloads page and captured on September 24, 2026. Most figures are printed per stack of 2 to 8 modules, with a BMS and base, and cannot be assigned to a single module; only the Options table and the per-module energy are read for module records. Certificates and warranty are printed for the series.
Archived copy of a document published by HomeGrid. 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 HomeGrid published. Original address: https://cdn.sanity.io/files/xcmp4e9i/production/507cf6a0a77415a726781456dba85ad365cd8c6c.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 96501f087dded9a038162624e4f53daf37ed5589c72d7f8589cd5aeb4e099382
Location: Warranty period paragraph; covered part numbers list
Retrieved
Recorded document/effective date: Apr 1, 2023
The US limited warranty HomeGrid links as "HomeGrid Battery Warranty (USA)" on its Downloads page, issued by Lithion Battery, Inc. and captured on September 24, 2026. It lists the covered HomeGrid part numbers, including 4000043 HG FS48100-15OSJ1-H/P; it does not list 4000051. Coverage requires registration within one year and an internet connection, among other conditions.
Archived copy of a document published by HomeGrid. 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 HomeGrid published. Original address: https://cdn.sanity.io/files/xcmp4e9i/production/7045f26ec3204934345a192e51555d8a2dfafac6.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 5a7bf2aad6aebaeca04638d35fc00d9a9e3ad9bc06b0ff3b845a0df71c6c223f
Location: Heated Modules section; Modularity paragraph
Retrieved
HomeGrid's own Stack'd Series page, captured on September 24, 2026. It is cited for the series description, the 4.8 kWh module size and the heated-module option; it prints no product numbers and no revision or 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 HomeGrid. 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 HomeGrid published. Original address: https://cdn.sanity.io/files/xcmp4e9i/production/507cf6a0a77415a726781456dba85ad365cd8c6c.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 96501f087dded9a038162624e4f53daf37ed5589c72d7f8589cd5aeb4e099382
Archived copy of a document published by HomeGrid. 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 HomeGrid published. Original address: https://cdn.sanity.io/files/xcmp4e9i/production/7045f26ec3204934345a192e51555d8a2dfafac6.pdf. Copyright and takedown
Embedded dates are file metadata, not independent proof of publication.
SHA-256: 5a7bf2aad6aebaeca04638d35fc00d9a9e3ad9bc06b0ff3b845a0df71c6c223f
Ten years from the initial installation date or until the total energy throughput in the warranty table is reached, whichever comes first; registration within one year and internet connection required. The sheet adds that the warranty is per component.
Official warranty: Lithion Battery, Inc. Limited Warranty on HomeGrid Battery (USA, effective April 1, 2023) April 1, 2023 · Checked · Earlier documentOfficial datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentLocation: Warranty period paragraph; specification sheet Warranty row
Documented
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Own one? A verified review needs a receipt and a serial number photo, and counts 19× in the owner rating.
The Evidence score uses the priorities you choose. It counts published documents, such as certificates and warranty terms, and it compares a documented figure with the best documented figure of the same kind. It does not count owner reviews, and it is not a verdict on product quality or on how many people have reviewed it. A low score can mean little is documented, or that a documented figure is below the best of its kind. Undisclosed data scores 0.
Missing details. This number counts only the evidence recorded so far. The source review for this product is not finished, or the maker has not disclosed enough, so the number can only go up.
Missing for this product: Certificates evidence needed; Warranty energy disclosure evidence needed; Lifetime / capacity evidence needed; Cell model disclosure evidence needed.
Stackable · Expansion · Rated capacity
The warranty term and the lifetime energy are each scored against the best documented value for an expansion battery: a value earns its share of that best, times the weight. A documented value always earns points; an undisclosed one earns 0.
10 years · 20% weight
This is the best documented for an expansion battery, printed by the maker. 17 expansion batteries share this value.
Ten years from the initial installation date or until the total energy throughput in the warranty table is reached, whichever comes first; registration within one year and internet connection required. The sheet adds that the warranty is per component.
100 / 100 × 20 = 20 points.
Official warranty: Lithion Battery, Inc. Limited Warranty on HomeGrid Battery (USA, effective April 1, 2023) April 1, 2023 · Checked · Earlier documentOfficial datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentNo qualifying figure · 20% weight
Not published. No lifetime-production bonus.
Not documented. Undisclosed data scores 0.
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentOfficial product page: HomeGrid Stack'd Series product page (September 24, 2026 capture) Checked · Earlier documentResearch pending, 0 points: Certificates, Warranty energy disclosure, Cell model disclosure.
Computed from public specifications and evidence records. Warranty duration is not service quality; certificate evidence points are not a safety rating. Compatibility and installation limits still apply.
Printed as "UL 1973" in the Certificates row of HomeGrid's LV Stack'd Series specification sheet (21240.3P-Oct25), for the series rather than for product number 4000043 by name. HomeGrid also links a "Stack'd Series & Compact UL 1973" certificate on its Downloads page, which was not read. Recorded as the manufacturer's claim.
Models: LV Stack'd Series
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentPrinted as "UL 9540" in the Certificates row of HomeGrid's LV Stack'd Series specification sheet (21240.3P-Oct25), for the series rather than for product number 4000043 by name. HomeGrid's Downloads page labels its UL 9540 certificate "LV Stack'd Series UL 9540 (with Sol-Ark)" and the sheet names Sol-Ark 12K/15K as the on-grid UL 9540 inverters, so the listing applies to that system pairing; the certificate was not read. Recorded as the manufacturer's claim.
Models: LV Stack'd Series
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentPrinted as "UL 9540a" in the Certificates row of HomeGrid's LV Stack'd Series specification sheet (21240.3P-Oct25), for the series rather than for product number 4000043 by name. UL 9540A is a test method; HomeGrid links an "LV Stack'd Series UL 9540A" document that was not read. Recorded as the manufacturer's claim.
Models: LV Stack'd Series
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentPrinted as "UL 1642" in the Certificates row of HomeGrid's LV Stack'd Series specification sheet (21240.3P-Oct25), for the series rather than for product number 4000043 by name. UL 1642 applies to lithium cells; the sheet does not name the cell or its listing. Recorded as the manufacturer's claim.
Models: LV Stack'd Series
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentPrinted as "UN 38.3" in the Certificates row of HomeGrid's LV Stack'd Series specification sheet (21240.3P-Oct25), for the series rather than for product number 4000043 by name. No UN 38.3 test summary was read. Recorded as the manufacturer's claim.
Models: LV Stack'd Series
Official datasheet: HomeGrid LV Stack'd Series specification sheet 21240.3P-Oct25 Rev 21240.3P-Oct25 · Checked · Earlier documentNo sourced accessories or replacement parts listed yet.
Manufacturer SKU 4000043 · US market
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