Document Overview
Document Overview This page presents the official UN38.3 Test Report issued by Waltek Testing Group Co., Ltd. (深圳沃特检验集团股份有限公司), a professional third-party testing laboratory based in Dongguan, Guangdong, China. The report covers mandatory transport safety testing for lithium-ion battery cells and packs intended for air and…
- Document type
- Certification Report
- Prepared by
- Michelle Torres
- Published
- Last reviewed
- Topics
- International Transportation: CB / MSDS / UN38.3
Document Overview
This page presents the official UN38.3 Test Report issued by Waltek Testing Group Co., Ltd. (深圳沃特检验集团股份有限公司), a professional third-party testing laboratory based in Dongguan, Guangdong, China. The report covers mandatory transport safety testing for lithium-ion battery cells and packs intended for air and ground shipment.
| Field | Detail |
|---|---|
| Report Number | WTH26D03058717B |
| Document Type | UN38.3 Test Report |
| Issuing Body | Waltek Testing Group Co., Ltd. |
| Test Specification | ST/SG/AC.10/11/Rev.8 Section 38.3 — UN Manual of Tests and Criteria, Eighth Revision |
| Date of Sample Receipt | 2026-03-09 |
| Date of Testing | 2026-03-10 to 2026-03-20 |
| Date of Issue | 2026-03-20 |
| Overall Test Result | PASS — The submitted samples comply with the above standards |
The test was conducted under controlled environmental conditions: ambient temperature 20°C–25°C, relative humidity 45%–75%. Subcontracted testing was not applicable for this report.
Product Information
The tested product is a 2S1P-2000 Lithium-ion Battery Pack manufactured and submitted by Guangdong Bestek Technology Co., Ltd. (广东贝仕达克科技有限公司). The following table summarises all key product specifications as recorded in report WTH26D03058717B.
| Parameter | Value |
|---|---|
| Product Classification | Lithium-ion Battery Pack |
| Model Number | 2S1P-2000 |
| Rated Voltage | 7.4 V |
| Rated Capacity | 2000 mAh |
| Energy | 14.8 Wh |
| Standard Charge Current | 2000 mA |
| Max. Charge Voltage | 5 V |
| Max. Charge Current | 2000 mA |
| Standard Discharge Current | 10000 mA |
| Max. Discharge Current | 10000 mA |
| Discharge Cut-off Voltage | 5 V |
| Dimensions | 72.6 mm × 46.0 mm × 26.4 mm |
| Shape | Almost Cuboid |
| Mass | Approx. 102.9 g |
| Cell Model | INR18650-2000 |
| Cell Rated Capacity | 2000 mAh |
| Cell Configuration | 2 Cells, 2S1P |
| Applicant / Manufacturer | Guangdong Bestek Technology Co., Ltd. |
| Manufacturer Address | No.1, North Gaopu 8th Road, Yuancheng Industrial Park, Heyuan City, Guangdong, P.R. China |
Key Details
The 2S1P-2000 battery pack was subjected to the full sequence of UN38.3 transport safety tests as required by ST/SG/AC.10/11/Rev.8. The table below documents each test, its purpose, the procedure applied, and the recorded verdict.
| Test | Title | Key Procedure Parameters | Requirement | Verdict |
|---|---|---|---|---|
| T.1 | Altitude Simulation | Pressure: 11.6 kPa; Temperature: 23.4°C; Duration: 6 hours | No leakage, no venting, no disassembly, no rupture, no fire; OCV after test ≥ 90% of pre-test voltage | PASS |
| T.2 | Thermal Test | Cycle between +72±2°C (≥6 h) and −40±2°C (≥6 h); transition ≤30 min; repeated 10 times; rest at 20±5°C for 24 h after | No leakage, no venting, no disassembly, no rupture, no fire; OCV ≥ 90% of pre-test voltage | PASS |
| T.3 | Vibration | Sinusoidal vibration per ST/SG/AC.10/11/Rev.8 38.3.4.3 | No leakage, no venting, no disassembly, no rupture, no fire; OCV ≥ 90% of pre-test voltage | PASS |
| T.4 | Shock | Half-sine shock pulses per ST/SG/AC.10/11/Rev.8 38.3.4.4 | No leakage, no venting, no disassembly, no rupture, no fire; OCV ≥ 90% of pre-test voltage | PASS |
| T.5 | External Short Circuit | Short circuit at 55±2°C; external resistance ≤0.1 Ω | Temperature of case must not exceed 170°C; no disassembly, no rupture, no fire | PASS |
| T.6 | Impact / Crush | Samples at 50% design rated capacity (1st cycle: C01#–C05#; 25th cycle: C06#–C10#) | No fire, no rupture | PASS |
| T.7 | Overcharge | Using undamaged batteries previously used in T.1–T.5 (1st cycle: B09#–B12#; 25th cycle: B13#–B16#) | No fire, no rupture | PASS |
| T.8 | Forced Discharge | Samples at fully discharged state (1st cycle: C11#–C20#; 25th cycle: C21#–C30#) | No fire, no rupture | PASS |
Sample grouping followed the prescribed UN38.3 protocol: samples B01#–B08# were used for tests T.1 through T.5 in fully charged states across both the 1st and 25th charge-discharge cycles. Separate, previously untested samples were used for T.6 and T.8 to ensure result integrity.
Mass loss was evaluated using the formula: Mass Loss (%) = (M1 − M2) / M1 × 100, where M1 is pre-test mass and M2 is post-test mass. For this battery pack with a mass of approximately 102.9 g (M ≥ 75 g), the allowable mass loss limit is 0.1%. All samples remained within this limit.
Standards & Compliance
The 2S1P-2000 lithium-ion battery pack was evaluated against the following internationally recognised transport safety standard:
| Standard | Full Title | Scope |
|---|---|---|
| ST/SG/AC.10/11/Rev.8 Section 38.3 | UN Recommendations on the Transport of Dangerous Goods — Manual of Tests and Criteria, Eighth Revised Edition, Section 38.3 | Lithium metal and lithium-ion cells and batteries — transport safety testing |
UN38.3 certification is a mandatory prerequisite for the air, sea, and ground transport of lithium-ion batteries globally. It is referenced by IATA Dangerous Goods Regulations, IMDG Code, and ADR road transport regulations. All eight prescribed test procedures (T.1 through T.8) were executed in the prescribed sequence and with the prescribed sample states.
The test environment conditions — ambient temperature 20°C–25°C, relative humidity 45%–75% — were maintained throughout all test procedures in accordance with standard requirements. No subcontracted testing was involved.
Validity & Certification Body
The test report WTH26D03058717B was issued on 2026-03-20 by Waltek Testing Group Co., Ltd., an accredited third-party testing and inspection body operating under China’s national accreditation framework.
| Field | Detail |
|---|---|
| Issuing Laboratory | Waltek Testing Group Co., Ltd. (深圳沃特检验集团股份有限公司) |
| Laboratory Address | No. 77, Houjie Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong, China |
| Laboratory Website | http://www.waltek.com.cn |
| Telephone | +86-769-2267 6998 |
| Fax | +86-769-2267 6828 |
| [email protected] | |
| Report Template Reference | WT-510-201-02-B |
| Tested By | Eric Lin (林建) |
| Reviewed By | Jack Chen (陈咏松) |
| Approved By | Deval Qin (秦林伟) |
| Date of Issue | 2026-03-20 |
| Report Validity Note | This report is valid only with the approver’s signature and the laboratory’s official inspection seal. Partial reproduction requires prior written permission from Waltek Testing Group Co., Ltd. Test results apply solely to the specific samples tested. |
UN38.3 test reports do not carry an expiration date by default; however, the report may be rendered invalid if the product design, cell model, cell configuration, or manufacturing process changes materially. Shippers and freight forwarders should verify currency of the report against any product revisions before using it for transport documentation purposes.
Frequently Asked Questions
- What does UN38.3 certification mean for the 2S1P-2000 battery pack?
- UN38.3 certification confirms that the 2S1P-2000 lithium-ion battery pack has successfully passed eight standardised transport safety tests — including altitude simulation, thermal cycling, vibration, shock, external short circuit, impact, overcharge, and forced discharge — as defined in the UN Manual of Tests and Criteria, Eighth Revised Edition, Section 38.3. It is a mandatory requirement for shipping lithium-ion batteries by air (IATA), sea (IMDG), and road (ADR).
- Who conducted the UN38.3 testing and issued report WTH26D03058717B?
- The testing was conducted by Waltek Testing Group Co., Ltd. (深圳沃特检验集团股份有限公司), an accredited third-party laboratory located in Dongguan, Guangdong, China. The report was tested by Eric Lin, reviewed by Jack Chen, and approved by Deval Qin. The report was issued on 2026-03-20.
- What are the key electrical specifications of the 2S1P-2000 battery pack?
- The 2S1P-2000 battery pack has a rated voltage of 7.4 V, a rated capacity of 2000 mAh, and an energy rating of 14.8 Wh. It uses two INR18650-2000 cells in a 2S1P configuration. The maximum discharge current is 10,000 mA, and the pack weighs approximately 102.9 g with dimensions of 72.6 mm × 46.0 mm × 26.4 mm.
- Is this UN38.3 report sufficient for all international shipping requirements?
- A valid UN38.3 test report is a fundamental requirement for transporting lithium-ion batteries internationally, but it is typically one of several documents required. Shippers may also need a Material Safety Data Sheet (MSDS/SDS), a Declaration for Dangerous Goods, and compliance with carrier-specific packaging and labelling rules under IATA DGR, IMDG, or ADR. The report WTH26D03058717B covers the 2S1P-2000 pack as tested; any significant design change to the cell model, configuration, or pack structure may require re-testing.
Related Documents
For a complete compliance and safety documentation package for the 2S1P-2000 lithium-ion battery pack and related ETENWOLF inflation tools and lighting gear products, the following certification types are recommended:
- MSDS / SDS (Material Safety Data Sheet) — Required alongside UN38.3 for most air and sea carriers; documents hazard classification, handling, and emergency response information for lithium-ion batteries.
- IEC 62133 Safety Test Report — International safety standard for portable sealed secondary lithium cells and batteries; often required by retailers and consumer electronics markets in addition to UN38.3.
- RoHS Compliance Certificate — Confirms restriction of hazardous substances (lead, mercury, cadmium, etc.) in the battery pack, required for sale in the European Union and many other markets.
- REACH Compliance Statement — Documents absence of Substances of Very High Concern (SVHCs) above threshold limits, required for EU market access.
- CE Declaration of Conformity — Required for placing electrical and electronic products on the European market; covers relevant EU directives including the Battery Directive and Low Voltage Directive.
- PSE / KC Certification — Required for entry into the Japanese (PSE) and Korean (KC) markets respectively; both include battery safety requirements.
- Packing Instruction Compliance Record (PI 965 / PI 966 / PI 967) — Documents conformity with IATA packing instructions applicable to lithium-ion batteries shipped alone, with equipment, or contained in equipment.
Document Pages
