EMG-6.4V3.3Ah
Product Description
Product Features
FAQ
Product Tags
Key Takeaways
- 6.4V 3.3Ah (21.12Wh) LiFePO₄ emergency light battery with 2S1P configuration.
- 3A continuous discharge and 7 (BMS) peak/protection current.
- Long float-charge life for long service intervals.
- Ø26.5 × 137 mm and 0.2 kg, IP42 rated.
- UN38.3 compliance.
Construction & BMS
The pack is built in a PVC-wrapped pack with Molex 5557 2-pin. The integrated BMS provides over-charge, over-discharge, over-current, short-circuit and over-temperature protection, with cell balancing for long string life.
- Pvc-wrapped pack — mechanical protection and mounting
- Molex 5557 2-pin — low-resistance connection
- Integrated BMS with cell balancing
- Batch-level cell traceability
Electrical Performance
6.4V nominal and 3.3Ah (21.12Wh) give predictable runtime for emergency lighting. Continuous discharge is 3A and maximum charge is 1.6A, with ≤130 mΩ internal resistance.
- 6.4V nominal / 3.3Ah
- 3A continuous discharge
- 1.6A maximum charge
- 2S1P configuration
Reliability & Temperature
Long float-charge life and a charge window of 0 to +45 °C with discharge from −20 to +60 °C make the pack suitable for continuous duty. UN38.3 compliance supports global deployment.
- Long float-charge life
- Charge 0 to +45 °C
- Discharge −20 to +60 °C
- UN38.3
Technical Specifications
| Mechanical | |
|---|---|
| Case material | Pvc-wrapped pack |
| Dimensions | Ø26.5 × 137 mm |
| Weight | 0.2 kg |
| Terminals | Molex 5557 2-pin |
| IP rating | IP42 |
| Electrical | |
|---|---|
| Model | EMG-6.4V3.3Ah |
| Chemistry | LiFePO₄ (LFP) |
| Nominal voltage | 6.4 V |
| Nominal capacity | 3.3 Ah |
| Energy | 21.12 Wh |
| Configuration | 2S1P |
| Max charge current | 1.6 A |
| Continuous discharge | 3 A |
| Peak / protection | 7 (BMS) A |
| Internal resistance | ≤130 mΩ |
| Charge temperature | 0 to +45 °C |
| Discharge temperature | −20 to +60 °C |
| Service life | Long float-charge life |
| Compliance | UN38.3 |
Application Scenarios
One emergency light battery platform for emergency lighting, exit signs, backup lighting.
Storage & Reliability
Store the pack at −5 to +45 °C in a dry environment, away from direct sunlight. Avoid deep discharge during long storage and recharge every three months.
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Need a Custom Battery Pack?
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