Buying & Selection

BESS Shipping Documents: Match Your Quote to the Test Summary

Check how the battery in a BESS quotation maps to its UN 38.3 test summary and planned shipment, with practical questions for different model names, combined summaries and older reports.

Wide view of a covered industrial dispatch area with closed cargo crates and a clear aisle
A covered dispatch area with closed cargo crates.

When reviewing a battery energy storage system (BESS) quotation, ask the supplier to connect three things: the quoted configuration, the product or battery covered by its UN 38.3 test summary, and the configuration planned for shipment. Record that relationship before handing the package to the parties arranging transport. A matching product name is a useful starting point; an unexplained difference needs clarification.

For a HUA-X PowerFac enquiry, prepare a correspondence record linking the offer, test summary and planned shipment. Apply the US requirements and IATA air-transport guidance below only where relevant to the shipment, and confirm acceptance with the responsible transport parties.

1. Establish what the summary actually covers

PHMSA’s July 2024 guidance explains that a test summary may identify a cell or battery model, or the model of a product containing it. A single summary may also cover several products if it contains the required information. The model reference helps connect the summary to the item concerned. These points come from US transport guidance; they do not assign a transport classification to a BESS. [1]

For your quotation, ask: “Which entry in this summary covers the product or battery being offered?” If the sales model and the summary use different names, request a written explanation linking them. Do not infer a match from similar capacity, a cabinet photograph or a shared product-family name.

Hands comparing document folders beside a laptop showing a battery storage cabinet
Comparing the quotation with the supporting document set.

2. Build a short correspondence record

Keep the supplier’s original summary and add a separate record for your order. Use the questions below to connect the order to the unmodified source documents.

Order-specific correspondence between the quotation, test summary and planned shipment.
Record for this orderQuestion for the supplierUseful next step
Quotation number, revision and offered modelWhich summary entry applies to this configuration?Record the matching entry and any explanation of different names.
Product or battery identified in the summaryDoes this identify the complete product, a battery within it, or only a cell?Ask the supplier to explain coverage at the relevant assembly level.
Report reference and date for the applicable entryCan the document holder resolve an unclear or missing reference?Keep the response with the quote and the unmodified summary.
Configuration planned for dispatchWill it be shipped assembled, with batteries separate, or in another configuration?Carry the confirmed description into the transport handover.
Open differences and responsible contactsWho will clarify each unresolved item, and by when?Agree which decisions depend on that answer before booking.

US 49 CFR §173.185(a)(3) lists summary information including the applicable manufacturer and laboratory contacts, report identification and date, battery description, model reference, tests and results, relevant assembled-battery provisions, the Manual edition and amendments, and a responsible person’s name and title. The battery description includes chemistry, mass, and Wh rating or lithium content as applicable. Use the full provision when checking US requirements. [2]

Section 173.185(a)(1) also distinguishes cell and battery design-type testing. If you receive only a cell summary, ask how the offered battery assembly is covered; a tested cell alone does not answer that question. Applicable assembly provisions need a competent review. Have the responsible specialist confirm the applicable testing requirements for the offered PowerFac configuration. [2]

3. Clarify these differences before rejecting the document

Common document questions and practical follow-up. Sources: PHMSA, pages 5–6; IATA, pages 20–21. [1] [3]
What you noticeWhat the source saysPractical follow-up
Several products or laboratories appearIATA permits combined summaries; each listed cell, battery or product needs its report number and test date. A laboratory need not be mapped individually to each entry. [3]Identify the entry relevant to your quotation and clarify any ambiguous reference.
The report date is several years oldIATA gives no fixed expiry period for a summary. Design changes that require retesting call for a new or updated summary. [3]Ask whether the offered configuration still corresponds to the stated tested design.
You received a general pass statementPHMSA says a generic statement in a safety data sheet does not fulfil the test-summary availability requirement. [1]Request access to the actual summary and locate the relevant entry.

An older date or a combined document is therefore a reason to read carefully, rather than an automatic rejection. If the purchase includes a design change, use the separate OEM battery change-control guide to frame the revision discussion.

4. Hand over the actual shipping configuration

PHMSA explains that a test summary must be available but need not accompany every shipment. Availability is separate from the documents and conditions for a particular consignment. US packaging provisions also sit separately in §173.185(b). [1] [2]

Close view of a wooden cargo crate corner in an industrial staging area
Exterior detail of a wooden cargo crate.

Give the responsible shipper or transport specialist the origin, destination, intended transport mode and confirmed dispatch configuration, alongside the relevant document references. Ask them to identify the applicable shipping papers, packaging and marking requirements, and the party responsible for confirming acceptance. Record any unresolved condition before treating a proposed dispatch date as agreed.

IATA’s guidance is specific to air transport and notes that even a state approval does not oblige an airline to accept a shipment. It is not a sea or road shipping rule. The practical lesson is to obtain a route-specific transport assessment; a test summary alone does not establish carrier acceptance. [3]

5. Start the enquiry with the records you have

For a PowerFac-261 or PowerFac-5M project, identify the offered model and configuration in your request. Ask for the relevant controlled documents and their relationship to that offer. Request the applicable transport documents for the quoted configuration and confirm them with the parties arranging shipment.

Start a project enquiry with your quotation reference, project destination, planned shipping configuration and any documents already available. You can enquire before all records are complete. Mark unknowns clearly and ask who can resolve them. For the wider delivery discussion, see logistics and delivery planning.

Sources & further reading

  1. PHMSA — Lithium Battery Test Summaries, revised July 2024, pages 3 and 5–6; US guidance
  2. US 49 CFR §173.185 — paragraphs (a)(1), (a)(3) and (b); current text accessed October 5, 2026
  3. IATA — Battery Guidance Document, January 1, 2026, pages 17 and 20–21; air transport guidance