For battery manufacturers exporting to Japan, PSE Certification is not optional—it is mandatory by law.PSE (Product Safety of Electrical Appliances & Materials) is the compulsory market access scheme under Japan’s Electrical Appliances and Materials Safety Act.Without a valid PSE mark, your products will be detained at customs and banned from sale in Japan.

Japanese law categorizes electrical products into two classes:

1. Specified Electrical Appliances (116 types)

• Require Diamond PSE Certification
• Must be tested and certified by METI-authorized bodies (JET, JQA, etc.)
• Needs factory inspection
• Lead time: 6–8 weeks
• Validity: 3–7 years

2. Non-Specified Electrical Appliances (341 types)

• Require Circle PSE Certification
• Can be done via third-party lab test + self-declaration
• No factory inspection
• Lead time: 1–2 weeks
• Validity: 1–3 years

Important for Batteries

Since November 2008:

• Lithium-ion batteries over 400Wh/L (used in mobile devices, laptops) fall under Non-Specified → Circle PSE.
• Power banks: normally Circle PSE,but ≥ 400Wh/L & non-industrial/non-medical use → Diamond PSE required.

PSE testing for batteries covers:Insulation resistance, continuous charging, vibration, temperature cycle, external short circuit, drop, mechanical shock, thermal shock, crushing, low pressure, overcharge, forced discharge, internal short circuit, etc.All ensure no fire, explosion, or leakage under extreme conditions.

PSE + METI Registration: Two Mandatory Steps

Many businesses make a critical mistake:Getting PSE is NOT enough — you MUST also do METI Registration.

What is METI Registration?

METI (Ministry of Economy, Trade and Industry) registration is Japan’s official market entry filing.

• After obtaining PSE, your Japanese importer must register the product in the METI system.
• A registration number in format R-XXXX-XXXX will be issued.
• This number must be printed on the product or package alongside the PSE mark.

Consequences of No METI Registration:

• Amazon Japan listing removal
• Fines up to 1,000,000 JPY
• Customs detention

Required documents for METI:

• PSE certificate
• Japanese importer’s business license
• Technical files (circuit, BOM, etc.)
• Bilingual Japanese + English user manual
• Product specification & photos

Lead time: 5–15 working days.

How to Choose a Reliable PSE Testing Lab?

1. Official & International AccreditationsCNAS, CMA, CBTL, UL TPTDP ensure global recognition.

2. Battery-Specific ExpertiseElectrochemistry, BMS, and thermal design require deep experience.

3. Strict Label & Document ControlPSE mark ≥5mm, correct importer info, bilingual manuals.

4. Long-Term After-ServiceRenewal reminders, certificate management, ongoing support.

Recommended PSE Certification Partner:

Guangdong ESTL Technology Co., Ltd.

Core Advantages

1. Strong & Complete Accreditation

• CNAS (L13753) & CMA (202019014977)
• IECEE CBTL
• UL TPTDP Authorized Lab
• Amazon SPN & TEMU Approved
• China Southern Airlines UN38.3 Approved

One test, multiple certifications: PSE + CB + UL + UN38.3 + KC

2. 13+ Years Focus on Batteries

• Since 2012 specialized in battery certification
• 20,000+ clients worldwide
• 130+ countries covered
• High pass rate via early risk prediction

3. 30,000 ㎡ Lab in Songshan Lake

• 2000+ sets of advanced testing equipment
• High-precision thermal, vibration, and safety test systems
• Accurate data & globally trusted reports

4. Clear & Transparent Service Process

1. Submit product information
2. Sign quotation & contract
3. Send samples
4. Lab testing
5. Issue PSE certificate & report
6. Support METI registration

PSE Certification FAQ

Q1: How long is PSE valid?

• Diamond PSE: 3–7 years
• Circle PSE: 1–3 years
• METI registration: Long-term valid (update if importer changes)

Q2: How much does PSE cost?

• Circle PSE: ~¥2,000–8,000, lead time 1–2 weeks
• Diamond PSE: from ¥25,000–30,000, lead time 6–8 weeks

Q3: Can PSE and METI be processed together?Yes. PSE first, then METI by Japanese importer.ESTL supports importer matching & registration assistance.

Q4: Tips for Amazon Japan PSE audit?

• Show PSE mark clearly in images
• Use latest standard test reports
• Japanese manual is mandatory
• Include Japanese importer info on label

Conclusion

PSE Certification is your legal gateway to Japan.With strong accreditations, 13+ years of battery expertise, full support for PSE & METI,Guangdong ESTL Technology Co., Ltd. is your most reliable partner for Japan market entry.