26650 6.4V 3300mAh LiFePO4 Battery Pack
Product Number:
37DZ068-02
Nominal voltage:
6.4V
Nominal capacity:
3300mAh
Battery Configuration:
26650-2S1P
Dimension:
28×54.5×72mm
Application:
electronic detonators
T4 Intrinsic Safety, Dual Protection System, Temperature Protection
Product Overview
This battery is designed for electronic detonators used in mining and controlled blasting systems, where safe and reliable energy supply is critical. It supports stable operation in demanding environments with compact structure and dual protection design, ensuring high safety and consistent performance under high safety requirements.
Electrical Specifications
| Property | Parameter |
|---|---|
| Product Number | 37DZ068-02 |
| Cell Model | 26650/3.2V/3300mAh |
| Battery Configuration | 2S1P |
| Nominal Voltage | 6.4V |
| Nominal Capacity | 3300mAh |
| Rated Energy | 21.12Wh |
| Charging Voltage | 7.3V |
| Discharge Cut-off Voltage | 4V |
| Standard Charging Current | ≤1.65A |
| Standard Discharge Current | 2A |
| Max Continuous discharge current | ＜3A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Property | Parameter |
|---|---|
| Charging Temperature | 0～45℃ |
| Discharge Temperature | -20～60℃ |
| Storage Temperature | -20～45℃ |
| Dimensions | 28×54.5×72mm |
| Weight | 200g |
| Output Type | Lead wire output |
| Battery Case | PVC |
| Protection System | Short circuit / dual overcharge / dual over-discharge / dual overcurrent / temperature protection |
Application Background
This battery solution is designed for electronic detonators used in mining, engineering blasting, and controlled initiation systems.
The device requires extremely high safety standards with stable and reliable power output to ensure accurate triggering under critical conditions, with strict demands on safety, stability, and environmental adaptability.
Project Challenges
The system requires intrinsic safety compliance with T4 explosion-proof rating
Must ensure stable power output in complex and harsh environments
Strict requirements for dual protection and temperature control
Limited device space requires compact structural design
Customized Battery Solution
6.4V LiFePO4 chemistry: high-safety lithium iron phosphate system for intrinsic safety
Dual protection system: overcharge, over-discharge, and overcurrent double protection design
T4 explosion-proof design: compliant with intrinsic safety application requirements
Temperature protection system: 65℃±5℃ over-temperature protection for enhanced safety
Application Results
Meets high-safety power requirements for electronic detonator systems
Improves power reliability under extreme operating conditions
Enhances overall system safety performance
Stable cycling performance reduces long-term maintenance needs
We support flexible customization based on your project requirements, including:
- Voltage range: 3.2V – 72V
- Capacity range: 100mAh – 100Ah
- Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
- Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
- BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.
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