Portable sealed secondary cells and batteries (Lithium) are widely used in applications such as consumer electronics, power tools, medical devices, and backup power systems. Such batteries have been developed to provide an uninterruptible power supply system. The sealed battery technology guarantees security from leakage and maintains stable electrical performance.
To ensure consistent performance, reliable quality and safety, these batteries are governed under IS 16046 (Part 2): 2018, set by the Bureau of Indian Standards. It outlines the requirements such as electrical safety, mechanical integrity, and thermal stability of the product. Adhering to the Indian standards ensures that the manufacturer provides the user with a safe battery.
What is IS 16046 (Part 2): 2018
This is the Indian Standard for sealed secondary cells, which defines requirements for safety, performance, and testing of rechargeable lithium batteries. This standard is set by the BIS (Bureau of Indian Standards) to ensure that product quality and safety are met, and the batteries are
- Ensured to be safe for use in portable electronic devices
- Evaluated for electrical, thermal, and mechanical safety performance
- Designed for safe use in portable electronic devices
- Tested to ensure stable and reliable charging
Portable Batteries Eligibility Criteria
BIS registration under IS 16046 (Part 2): 2018 is required for businesses involved in manufacturing, importing, or supplying lithium batteries in India.
Applicable to:
- Manufacturers (India): Must get BIS approval if the secondary cell is covered under QCO.
- Foreign Manufacturers - Need certification to export portable batteries to India.
- Importers/Brand Owners - Must ensure that the products are BIS certified before selling.
- Sellers/Distributors - Should only sell certified lithium-ion batteries.
Testing and Inspection Requirements
To ensure the premium quality, safety needs, and adequate performance of secondary lithium batteries, the standard set by the Bureau of Indian Standards (BIS) defines proper testing and inspection requirements during manufacturing.
General Product & Documentation Verification
- Test Report Verification (S) - Confirms test report format as per IS 16046 (Part 2):2018.
- Manufacturer & Factory Details Check (R) - Verifies applicant and manufacturing unit information .
- Product Identification Verification (R) - Confirms model, type, ratings, and serial details.
- Test Specification Compliance (R) - Ensures alignment with IS 16046 / IEC 62133 standards .
General Safety Requirement Tests
- Parameter Measurement Tolerance Check (R) - Ensures accuracy of measurement values.
- Insulation & Wiring Test (R) - Verifies insulation resistance and internal wiring safety.
- Venting Test (R) - Ensures pressure relief mechanisms prevent explosion or rupture.
- Temperature/Voltage/Current Management Test (R) - Confirms safe operating limits.
- Terminal Contact Test (R) - Ensures proper conductivity, strength, and short-circuit protection .
- Assembly Verification of Cells (R) - Confirms correct battery assembly and compatibility.
- Quality Plan Verification (R) - Ensures defined quality procedures for production.
Type Testing & Sample Controls
- Type Test & Sample Size Verification (S) - Confirms testing on required number of samples.
- Test Condition Verification (R) - Ensures testing under specified environmental conditions.
Performance & Functional Tests
- Charging Procedure Test (R) - Verifies safe charging method and limits.
- Continuous Low-Rate Charging Test (S) - Ensures no fire or explosion during charging.
- Vibration Test (S) - Checks durability under mechanical vibration.
- Temperature Cycling Test (S) - Validates stability under varying temperatures.
- High Temperature Case Stress Test (S) - Ensures structural integrity at elevated temperatures.
Misuse & Safety Tests
- Incorrect Installation Test (S) - Verifies safety under reverse polarity conditions.
- External Short Circuit Test (S) - Ensures no hazardous outcomes during short circuit.
- Free Fall Test (S) - Checks resistance to drop impact.
- Mechanical Shock Test (S) - Validates crash resistance.
- Thermal Abuse Test (S) - Ensures safety at extreme temperatures.
- Crush Test (S) - Confirms resistance to mechanical compression.
- Low Pressure Test (S) - Ensures safety under reduced pressure.
- Overcharge Test (S) - Validates protection against overcharging.
- Forced Discharge Test (S) - Checks behavior under reverse current conditions .
Marking & Labelling Tests
- Cell Marking Verification (R) - Ensures marking as per applicable IEC standards.
- Battery Marking Verification (R) - Confirms caution statements and polarity markings.
- Instruction & Label Compliance (R) - Verifies storage, disposal, and charging instructions.
Packaging & Handling Tests
- Packaging Compliance Test (R) - Ensures safe packaging to prevent hazards.
- Transport & Handling Verification (R) - Confirms safe packaging design and labelling .
Steps for Portable Lithium-Ion Batteries BIS Approval
The BIS license process ensures that the Lithium-based batteries meet the required standards for proper and efficient operation. This process is set by the Bureau of Indian Standards (BIS) and includes the following steps:
- Online Registration: Manufacturers register on the BIS Manak portal by submitting company, factory, and product details. Foreign manufacturers must appoint an Authorised Indian Representative (AIR).
- Testing at BIS-Approved Laboratory: Product samples are tested in BIS-approved laboratories for material safety and structural durability.
- Application Submission: The application is submitted along with test reports, technical documents, and factory details. Foreign manufacturers must also submit AIR-related documents.
- Factory Inspection: BIS officials inspect the manufacturing unit to verify the production process, safety measures, and quality control system.
- Grant of BIS License: If all requirements are met, BIS grants the certification license under Scheme-I.
- Use of ISI Mark: After approval, the manufacturer can use the ISI mark on the product with a CM/L number, confirming that the product meets BIS standards.
Documents List for IS 16046 (Part 2): 2018 BIS License
Basic Details: - GST Certificate
- Email ID, Contact Number
- Factory, Office Address
- Rent and Lease Agreement(if applicable)
- Partnership Deed (if partnership firm)
| Product and Packing Details: - Quantity per Package
- Nature of Packing
- Nature of Printing / Marking on Product
|
Testing and Quality Control: - List of testing Equipment
- Calibration Certificates
- QC or Lab In-charge Appointment Letter
- Qualification
| Raw Material Details: - List of Row Materials
- Supplier Details
- Raw Material Invoices
- Raw Material Test Certificates
|
Manufacturing Details: - List of Machinery
- process flow chart
- Layout plan of Factory
| Brand and Certification Documents: - Trademark / Brand Certificate
- Consent Latter From BIS Recognized Laboratory
|
Production Details: - Annual Installed Capacity
- Last Year Production Value
| Additional Documents: - Weekly Off Details
- Hygiene Documents(if applicable)
- Relaxation Latter(if applicable)
- Any Other Relevant Documents
|
Management Details: - Top Management Details
- Concerned Person for BIS Communication
| Required Documents: - Agreement with AIR
- Aadhaar Card with AIR
- AIR Nomination Form
- Required Undertakings
- Scope of License
|
Foreign manufacturers must additionally appoint an Authorized Indian Representative (AIR) to coordinate with the Bureau of Indian Standards (BIS) and manage compliance requirements in India.
Marking Requirements & License Validity
Marking Requirements
When a manufacturer obtains BIS Approval, the ISI Mark for Lithium cells must be written clearly and permanently on the product or its packaging. In addition to the ISI Mark, other important details must also be provided on the product or packaging, as specified in the table below, this ensures the product meets all quality and safety standards.
| Requirement | Details |
|---|
| ISI Mark | Indicates that the product is BIS certified and conforms to standards |
| Standard Number | IS 16046 (Part 2): 2018 |
| CML Number | Certification Marks License (CML) number issued by BIS. |
| Manufacturer Details | Name of manufacturer or registered trademark. |
| Batch / Date | Batch number, heat number, or manufacturing date for traceability. |
Note: Marking is typically applied using durable stamping, tagging, or permanent printing to ensure clear identification during handling, storage, and transportation, as per BIS marking requirements.
Rechargeable Lithium Batteries BIS Validity Details
After obtaining BIS approval for the Lithium battery, the license is valid for a fixed period and must be maintained by following BIS rules and standards.
| particulars | Details |
|---|
| Initial Validity | Typically 1 to 2 years, depending on BIS approval conditions |
| Renewal | Must be renewed before expiry by submitting the application along with the prescribed fee and updated documents |
| Surveillance | Includes periodic factory inspections and market sample testing conducted by BIS |
| Compliance | Continuous following to standard and applicable Quality Control Orders (QCOs) is mandatory |
| Risk | Non-compliance or failed sample testing may lead to suspension or cancellation of the BIS license |
Licensing Fee for Sealed Secondary Cell
The cost of BIS compliance for the lithium portable batteries includes charges for application, inspection, license, testing, and marking. These fees are paid to BIS as per Scheme I guidelines.
| Charge Type | Indian Manufacturers | Foreign Manufacturers |
|---|
| Application Fee | INR 1,000 | USD 15 |
| Audit Charges | INR 7,000 | USD 3,200 – 5,900 |
| License Fee | INR 1,000 | USD 15 |
| Marking Fee | As applicable | As applicable |
| Testing Charges | As applicable | As applicable |
| EVTL India Consultancy Fee | As per actual | As per actual |
Note:
- Application fee for foreign manufacturers is payable via SWIFT (SAARC countries may pay in INR with applicable GST).
- Audit charges for foreign manufacturers vary based on country/location.
- Marking fee depends on the product category and production volume (MSME benefits may apply).
- Testing charges are paid directly to BIS-approved laboratories.
- Consultancy fees depend on product type and factory location.
Conclusion
The Bureau of Indian Standards has set the Portable Sealed Secondary Cells and Batteries requirements mentioned in IS 16046 (Part 2): 2018. The compliance certificate ensures that the manufacturers producing portable lithium-ion cells meet the essential safety, performance, and reliability standards. Getting certification from BIS ensures that the batteries will not face problems like overheating, leaking, or explosion. This ensures safe and consistent battery operation.
Manufacturers meeting the legal requirements as set by BIS certification can ensure their products are compliant for sale in the market. The approval process can be stress free for manufacturers by using expert services like those offered by EVTL India. It provides help, from documentation, application filing, testing, compliance advice, and inspections.
