CE declaration / EU DoC
Required to show product conformity and responsible economic operator data.
Required before scale
Compliance first
Documents buyers will ask for before a serious order.
The website should collect leads now, but EU marketplace scale should wait until documents and battery registration are confirmed.
This is also a buyer-safety rule: serious lithium battery orders should be quoted only after the exact product variant and compliance documents are matched.
UN38.3 test summary
Critical for lithium battery transport and freight acceptance.
Required before scale
MSDS / SDS
Safety data for logistics partners and B2B buyers.
Required before scale
Product datasheet
Voltage, capacity, BMS, dimensions, weight, charging and discharging limits.
Required before scale
Warranty statement
Clear warranty duration, exclusions, RMA address and DOA process.
Required before scale
Serial / batch record
Recommended for B2B trust, RMA and marketplace dispute handling.
Required before scale
Trust workflow
What a safe B2B quote should include.
Exact variant
Match the Alibaba source listing, SKU, voltage, capacity, BMS and connector/case version.
Batch documents
Attach available CE, UN38.3, SDS/MSDS, datasheet and warranty files for the quoted product.
Stock proof
Confirm current EU/Poland quantity, pickup location and freight limits before issuing proforma.
Safe payment sequence
Only send payment instructions after the buyer has a written quote/proforma with company data.
Marketplace note
Allegro, Kaufland and Amazon can ask for EPR/battery registration, safety documents and producer/importer information. Do not publish broadly until this packet is clean.
Website position
The public site should say "documents available on request" for now, then host verified PDFs after the supplier confirms the exact batch.