EG4 WallMount All Weather Battery — 48V 280Ah 14.3kWh

EG4 Electronics

EG4 WallMount All Weather Battery — 48V 280Ah 14.3kWh

14.3 kWhLiFePO4

Reviewed model match · retailer offers below

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3 retailers$3,124.99

Listed equipment price

Stock and observation dates shown belowCompare 3 retailers Dated retailer observations below · USD
Review in a system plan

LOOK CLOSER

Product views & technical references.

4 reviewed views for EG4 WallMount 280Ah All Weather: source photos and original reference diagrams.

Explicit marketed-model references only. Photo sample, source-document revision and delivered hardware may differ; bundles and similarly named models are not automatically included.

View captions, source documents & credits

SHOP THE SAME EQUIPMENT

Compare retailer prices.

Same observed price at 3 offers

3 retailers · 3 offers collected. Prices exclude shipping, tax, and installation. Compare the stock, condition, and date for each offer.

Retailer price observations for EG4 WallMount All Weather Battery — 48V 280Ah 14.3kWh
RetailerListed price & quantityAvailability & conditionObservedShop
Current ConnectedStore policies & support $3,124.99Single itemIn stock when checkedNewSource date 2026-11-04View offer
SanTan SolarStore policies & support $3,124.99Single itemIn stock when checkedCondition not recordedSource date 2026-11-04View offer
Signature SolarStore policies & support $3,124.99Single itemIn stock when checkedCondition not recordedSource date 2026-11-04View offer
How these offers were matched

Same marketed EG4 outdoor 280Ah WallMount/PowerPro model. Indoor and 314Ah units are separate. Confirm connector/production revision with the retailer; the older A1 PowerPro part number and newer manufacturer reference remain separate.

WHAT WE ACTUALLY OBSERVED

Prices have a history.

Observations keep their original source dates and purchase scopes. Historical lows are separate from current availability. Unpriced and configuration-dependent offers are never treated as exact-price lows.

Signature Solar · Single item · price & stock history

Open to load this exact offer’s dated source observations.

SanTan Solar · Single item · price & stock history

Open to load this exact offer’s dated source observations.

Current Connected · Single item · price & stock history

Open to load this exact offer’s dated source observations.

MATCH THE MODEL AND THE SCOPE

Standards evidence.

These records relate to the named equipment or specified system. Match the delivered nameplate, revision, component count and installation conditions. They do not establish approval for your project or rebate.

UL 1973 · Battery / cell moduleRegistry matched · 2026-11-07

Listed at source review

Intertek’s public battery listing includes this model. The linked certificate covers the battery module; it does not certify an arbitrary inverter/battery installation.

Standard / edition
UL 1973
ANSI/CAN/UL 1973:2022, Edition 3
Issuer / statement source
Intertek
Document / report
230927048GZC-001 · control 5026744
Document date
2023-10-30
Lifecycle
Listed at source review
Expiry: Not stated / not established
Exact models / listed patterns (1)
  • WP-16/280-1AWLL

The manufacturer identifies WP-16/280-1AWLL and WM-48-280-1-AW as the marketed 280Ah All Weather battery. Check the delivered nameplate and production suffix; retailer listings do not establish every manufacturing revision.

  • Match the exact battery nameplate, accepted standard edition and conditions of the complete listing.
Original sources and dated captures
Open this evidence record
UL 9540 · Specified complete systemRegistry matched · 2026-11-07

Listed at source review

The directory and certificate identify specified whole-system model codes. A battery purchase alone does not supply the listed system. The model code sets inverter family, inverter count, battery count and product-version suffix.

Standard / edition
UL 9540
ANSI/CAN/UL 9540:2023, Edition 3
Issuer / statement source
Intertek
Document / report
241126115GZU-001 · control 5026744
Document date
2025-08-06
Lifecycle
Listed at source review
Expiry: Not stated / not established
Exact models / listed patterns (30)
  • PP-48-280A1-21FX1-AW-*
  • PP-48-280A2-21FX1-AW-*
  • PP-48-280A3-21FX1-AW-*
  • PP-48-280A4-21FX1-AW-*
  • PP-48-280A5-21FX1-AW-*
  • PP-48-280A6-21FX1-AW-*
  • PP-48-280A2-21FX2-AW-*
  • PP-48-280A3-21FX2-AW-*
  • PP-48-280A4-21FX2-AW-*
  • PP-48-280A5-21FX2-AW-*
  • PP-48-280A6-21FX2-AW-*
  • PP-48-280A3-21FX3-AW-*
  • PP-48-280A4-21FX3-AW-*
  • PP-48-280A5-21FX3-AW-*
  • PP-48-280A6-21FX3-AW-*
  • PP-48-280A1-18FX1-AW-*
  • PP-48-280A2-18FX1-AW-*
  • PP-48-280A3-18FX1-AW-*
  • PP-48-280A4-18FX1-AW-*
  • PP-48-280A5-18FX1-AW-*
  • PP-48-280A6-18FX1-AW-*
  • PP-48-280A2-18FX2-AW-*
  • PP-48-280A3-18FX2-AW-*
  • PP-48-280A4-18FX2-AW-*
  • PP-48-280A5-18FX2-AW-*
  • PP-48-280A6-18FX2-AW-*
  • PP-48-280A3-18FX3-AW-*
  • PP-48-280A4-18FX3-AW-*
  • PP-48-280A5-18FX3-AW-*
  • PP-48-280A6-18FX3-AW-*

Certificate model patterns may carry the 00–99 product-version suffix. Verify the exact version and installation/listing report; do not substitute indoor, 314Ah, rack or other inverter families.

  • FlexBOSS21 (IV-16000-HYB-AW-) or FlexBOSS18 (IV-13000-HYB-AW-), with the specified 280Ah All Weather battery model.
  • Within this certificate: one inverter with 1–6 batteries; two inverters with 2–6; three inverters with 3–6. These ranges do not apply to unrelated systems.
  • The EG4 explanation references earlier dates for the same report; the retained certificate itself is issued August 6, 2025. Listing-report conditions and current project acceptance still need confirmation.
Original sources and dated captures
Open this evidence record
UL 9540A · Fire-test scopeTest document reviewed · 2026-11-07

Current listing / expiry not independently established

Intertek’s test verification identifies unit-level testing under clauses 9.1–9.8. It references the full report; it is not itself a system listing or a certification-program enrollment.

Standard / edition
UL 9540A
ANSI/CAN/UL 9540A:2019
Issuer / statement source
Intertek
Document / report
240530170GZU-VOC002 · report 240530170GZU-002
Document date
2024-12-06
Lifecycle
Current listing / expiry not independently established
Expiry: Not stated / not established
Exact models / listed patterns (6)
  • WM-48-280-1-AW-
  • WM-48-280-2-AW-
  • WM-48-280-3-AW-
  • WM-48-280-4-AW-
  • WM-48-280-5-AW-
  • WM-48-280-6-AW-

Listed model patterns may be followed by 00–99. Tests occurred August 19–21, 2024. Scope is the identified samples and appendix; no unreviewed installation-level test or clearance approval is implied.

  • Obtain the full test report and match exact configuration, test level and installation conditions.
  • Do not infer a universal pass/fail result, safe spacing or UL 9540 listing from a UL 9540A reference.
Original sources and dated captures
Open this evidence record

THE DETAILS THAT MATTER

A clearer look at the specifications.

Published specifications and their source
SpecificationListed valueSource
Battery formatWall mountRetailer listing title
Capacity (Ah)280Manufacturer documentationReviewed 2026-11-04
Battery chemistryLiFePO4Manufacturer documentationReviewed 2026-11-04
Maximum charge current (A)140Retailer specifications
Nominal energy (Wh)14300Manufacturer documentationReviewed 2026-11-04
Self-heatingYesRetailer specifications

SEE IT IN USE

Creator reviews & demonstrations.

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