Technical insight
Product and application details
Remote Controlled Models
Its ultra-lightweight design reduces overall vehicle mass, enhancing agility and flight time for precise remote control maneuvering.
Public Address Systems
Stable 12V delivery supports consistent speaker operation, with long cycle life reducing replacement frequency in fixed installations.
Portable PA Systems
The 12V output directly powers audio amplifiers, while the compact 6AH capacity ensures extended performance during mobile events.
Solar Street Lights
Deep cycle durability handles nightly discharge and recharge, ensuring reliable illumination throughout varying seasonal light conditions.
Lawn Lights
Lightweight construction simplifies installation in garden fixtures, while long cycle life minimizes maintenance for outdoor lighting setups.
Fish Finders ( Sonar Sounders)
Consistent voltage output maintains sonar signal clarity underwater, while compact size fits easily into portable sonar housings.
Oxygen Concentrators
Stable 12V supply supports compressor motors without voltage drop, ensuring continuous oxygen flow during critical medical use.
Access Card Readers
Low self-discharge preserves charge during idle periods, providing immediate power availability for secure entry systems.
VTCBATT LiFePO4 12.8V 6Ah Battery UN38.3 Test Overview According to the UN38.3 test report No. 18270BC20333901 , the tested product is a LiFePO4 battery pack supplied by VTC Power Co., Ltd . The sample model is VTC-4F6 , with a nominal voltage of 12.8V , rated capacity of 6Ah , and nominal energy of 76.8Wh . The report was issued by Shenzhen Anbotek Compliance Laboratory Limited on November 16, 2022 , and the testing was conducted from November 3 to November 14, 2022 . This report shows that the battery was evaluated against the UN Manual of Tests and Criteria,
VTCBATT LiFePO4 12.8V 6Ah Battery UN38.3 Test Overview
According to the UN38.3 test report No. 18270BC20333901, the tested product is a LiFePO4 battery pack supplied by VTC Power Co., Ltd. The sample model is VTC-4F6, with a nominal voltage of 12.8V, rated capacity of 6Ah, and nominal energy of 76.8Wh. The report was issued by Shenzhen Anbotek Compliance Laboratory Limited on November 16, 2022, and the testing was conducted from November 3 to November 14, 2022. This report shows that the battery was evaluated against the UN Manual of Tests and Criteria, ST/SG/AC.10/11/Rev.7/Amend.1/Subsection 38.3. The battery pack completed the required transportation safety assessments, including altitude simulation, thermal cycling, vibration, shock, external short circuit, impact, overcharge, and forced discharge. Based on the recorded results, the sample met the standard requirements without leakage, rupture, fire, or disassembly during the tested items.
1. Sample Information
| Report No. | 18270BC20333901 | Product Name | LiFePO4 Battery |
| Model | VTC-4F6 | Manufacturer | VTC Power Co., Ltd |
| Nominal Voltage | 12.8V | Rated Capacity | 6Ah |
| Energy | 76.8Wh | Cells Number | 4 |
| Cell Model | 32700 | Cell Rated Capacity | 6Ah |
| Charge Current | 1.2A | Max Continuous Charge Current | 6A |
| Max Continuous Discharge Current | 6A | Limited Charge Voltage | 14.6V |
| Cut-off Voltage | 8V | End Charge Current | 0.06A |
2. Test Basis and Environmental Conditions
The test program followed the UN38.3 transport safety framework. The report states that the laboratory environmental conditions were maintained at 20 ± 5°C with relative humidity of 25% to 75% RH. The battery and cell samples were grouped according to the test sequence, with T.1 to T.5 performed in sequence and T.6 to T.8 using designated test samples as required by the standard.
| Item | Requirement / Condition |
|---|---|
| Reference Standard | UN Manual of Tests and Criteria, ST/SG/AC.10/11/Rev.7/Amend.1/Subsection 38.3 |
| Test Temperature | 20 ± 5°C |
| Relative Humidity | 25% to 75% RH |
| Report Date | November 16, 2022 |
| Test Period | November 3, 2022 to November 14, 2022 |
3. UN38.3 Test Results Summary
The overall result in the report is positive. In the sequential tests from altitude simulation to external short circuit, the battery samples maintained stable electrical behavior with very limited mass loss and voltage loss. The recorded maximum voltage loss in the thermal test was only 0.41%, while the highest external short-circuit temperature was 58.7°C, far below the standard threshold of 170°C. In the impact, overcharge, and forced discharge evaluations, no disassembly or fire was reported.
| Test Item | Key Condition / Observation | Result |
|---|---|---|
| T.1 Altitude Simulation | Mass loss up to 0.01%, voltage loss up to 0.02%, no leakage or fire | Pass |
| T.2 Thermal Test | 10 thermal cycles between 72 ± 2°C and -40 ± 2°C; voltage loss 0.30% to 0.41% | Pass |
| T.3 Vibration | 7 Hz to 200 Hz sweep; mass loss up to 0.01%, voltage loss up to 0.02% | Pass |
| T.4 Shock | Peak acceleration 150 gn, pulse duration 6 ms; no abnormal event observed | Pass |
| T.5 External Short Circuit | Peak temperature ranged from 57.6°C to 58.7°C; no rupture or fire | Pass |
| T.6 Impact | Peak temperature ranged from 23.5°C to 24.8°C; no disassembly or fire | Pass |
| T.7 Overcharge | All tested batteries B9 to B16 showed no disassembly and no fire | Pass |
| T.8 Forced Discharge | All tested cells C11 to C30 showed no disassembly and no fire | Pass |
4. Conclusion
From a transport compliance perspective, the VTCBATT 12.8V 6Ah LiFePO4 battery demonstrated stable safety performance under the full UN38.3 evaluation sequence covered in this report. The recorded data indicates minimal mass variation, very low voltage loss after mechanical and environmental stress, and no hazardous failure mode such as leakage, rupture, disassembly, or fire. In practical terms, this report supports that the tested sample satisfies the UN38.3 transportation test requirements for lithium batteries under the stated standard and test conditions. For manufacturers, importers, and equipment integrators, this is an important compliance document when preparing batteries for international shipment and market distribution.
