Battery CMA Test Report | 4% Consumption Tax Exemption for Eco-Friendly Batteries

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CMA Test Report for Battery Consumption Tax Exemption: Your Key to 4% Cost Savings

Editor:ESTL Category:Certification information Release time:2026-03-09 Click volume:668

Core Tip: For battery manufacturers, the 4% consumption tax is a significant cost. However, a compliant battery CMA test report is the key to turning this expense into direct profit. As China continues the policy of exempting eco-friendly batteries from consumption tax, obtaining a legally valid tax-exemption test report has become critical for legitimate tax savings.

This article explains the latest policy rules and the full process for obtaining a battery CMA report.

1. Policy Benefit: How One Report Saves You 4% Cost

According to Caishui [2015] No.16 issued by the Ministry of Finance and the State Taxation Administration:

Eco-friendly batteries are exempt from 4% consumption tax
Other batteries (e.g., lead-acid batteries) are taxed at 4%

Products eligible for exemption include:

Mercury-free primary batteries
Nickel-metal hydride (Ni-MH) batteries
Lithium primary batteries
Lithium-ion batteries
Solar cells
Fuel cells
Vanadium flow batteries

Without a valid CMA test report, you cannot apply for tax exemption — resulting in massive annual cash-flow losses.

A CMA report issued by a provincial or national qualified laboratory is the only legal document for exemption.

2. Why Must It Be a CMA Test Report?

① Legal Effect

CMA (China Metrology Accreditation) is a mandatory accreditation under Chinese law.Only CMA-certified labs can issue reports with legal validity for:

Product quality evaluation
Government verification
Tax declaration & exemption

② Tax Authority Requirements

Tax offices verify two critical points:

The lab holds a valid CMA certificate
The CMA annex explicitly lists battery testing capabilities

Only then will the report be accepted.

3. Why Choose Guangdong ESTL Technology Co., Ltd.?

① Complete CMA & CNAS Accreditations

CMA Certificate No.: 202019014977
CNAS Certificate No.: L13753Reports are fully recognized by tax authorities and globally credible.

② Full-Category Battery Testing Coverage

Covers all 7 tax-exempt battery types:Lithium-ion, lithium primary, Ni-MH, solar, fuel cells, vanadium flow batteries, etc.

③ Policy-Savvy Expert Team

12+ years of battery testing experience
Expertise in Caishui [2015] No.16 and tax filing rules
Assists with Product Detail List to match invoices & accounting records

4. Full Application Process

Step 1: Confirm Eligibility

Check if your battery falls into the 7 exempt categories.

Step 2: Select a Qualified Lab

Choose a CMA-certified lab such as Guangdong ESTL.

Step 3: Submit Samples & Testing

Provide representative samples for testing.

Step 4: Obtain Report & File with Tax Bureau

Submit the CMA-stamped report + Product Detail List to your local tax authority.

5. FAQ

Q: How long is a CMA report valid?A: No fixed legal expiry, but tax authorities generally accept reports issued within 1–2 years. Retest if formulation or process changes.

Q: Do imported batteries need this report?A: Yes. Importers must use a Chinese CMA report to apply for exemption at customs.

Q: How long does testing take?A: Normally 3–6 weeks, depending on battery type and test items.

Conclusion

Using a CMA report to exempt 4% consumption tax is the most direct way for battery factories to legitimately reduce costs.

Guangdong ESTL Technology Co., Ltd. provides authoritative, tax-compliant testing and policy support to help you compete at a lower cost.

Label: eco-friendly battery tax exemption battery consumption tax exemption lithium battery CMA report China battery tax policy battery CMA test report

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