← Manufacturer Directory · Entity: Organization · ID: WBH-MFR-COSLIGHT

Coslight (光宇国际)

Direct answer: Coslight is a Lead-acid + Lithium battery manufacturer headquartered in Harbin, China, making Telecom and industrial batteries.

Quick facts

Company	Coslight (光宇国际)
Country	China
Headquarters	Harbin
Chemistry	Lead-acid + Lithium
Products	Telecom and industrial batteries

Technology focus

Coslight works in Lead-acid + Lithium. See the Battery Technology Reference for the design trade-offs behind the chemistry label, and the lead-acid type family for the technology variants.

Product portfolio

The product range covers Telecom and industrial batteries. Application context: lead-acid applications and lithium applications.

Verification

Overall level: Claimed

Identity evidence	✓ Official company source
Manufacturing evidence	✓ Official company source
Product evidence	✓ Manufacturer documentation
Certification evidence	Claimed — self-reported only
Independent verification	Not performed — no third-party audit commissioned

Notes: Long-standing telecom battery supplier · Telecom supply claimed per company reporting

Each dimension shows what kind of evidence supports it. "Official company source" means the fact comes from the company's own publications, not an independent check. No listing here implies third-party verification — none has been commissioned. See the verification criteria.

Last verified: 2026-09

What this verification means

Coslight is recorded at the Claimed level. Identity: ✓ Official company source. Capability: ✓ Official company source. Products: ✓ Manufacturer documentation. Certifications: Claimed — self-reported only. The label describes the evidence we hold at the review date — not a guarantee that every shipment will conform.

What to request before ordering

The business licence and the exact legal entity name that will appear on the invoice.
Quality-system certificate (ISO 9001) and environmental certificate (ISO 14001), with certificate numbers and scope.
Product certificates relevant to the destination (IEC, UL, EN, JIS) and the test reports behind them.
Two recent batch test reports for the specific model you are buying, not a catalogue page.
A factory audit or video walkthrough, and the name of the production site that will make the goods.

Sourcing context

Chemistry: Lead-acid + Lithium. Products: Telecom and industrial batteries. Headquarters: Harbin, China. Use these facts to frame the first conversation, then verify them against the documents the supplier provides.

Return to Battery Manufacturer Directory. Data is researched from public sources and cross-verified; it is informational, not purchasing advice.