18650 3.6V 6.7Ah Explosion-proof Battery
Product Number:
33DZ010-01
Nominal voltage:
3.6V
Nominal capacity:
6.7Ah
Battery Configuration:
18650-1S2P
Dimension:
21.5 × 38 × 68mm
Application:
industrial sensor
Ex i (Intrinsic Safety), Temperature Class T4, High safety
Product Overview
Electrical Specifications
| Item | Specification |
| Product Number | 33DZ010-01 |
| Cell Model | 18650/3.6V/3350mAh |
| Battery Configuration | 18650-1S2P |
| Nominal Voltage | 3.6V |
| Nominal Capacity | 6.7Ah |
| Rated Energy | 24.12Wh |
| Charging Voltage | 4.2V |
| Discharge Cut-off Voltage | 3.0V |
| Standard Charging Current | ≤2A |
| Standard Discharge Current | ≤1.6A |
| Max Continuous Discharge Current | ≤3A |
| Internal Resistance | ≤250mΩ |
Mechanical & Environmental
| Item | Specification |
| Charging Temperature | 0～45℃ |
| Discharge Temperature | -20～60℃ |
| Storage Temperature | -20～45℃ |
| Dimensions | 21.5 × 38 × 68mm (Max) |
| Weight | 100g |
| Battery Case | PVC |
| Protection System | Short circuit protection, over-charge protection, over-discharge protection, over-current protection, over temperature protection |
Battery Features
- Ex i (Intrinsic Safety), Temperature Class T4
- Low self-discharge
- High safety with long cycle life
- Long cycle life, compliant with low-carbon, energy-saving, and environmentally friendly principles
Application Background
This battery solution is designed for industrial sensor devices, widely used in petrochemical, gas detection, environmental monitoring, and industrial on-site data acquisition applications.
The device is required to operate reliably in complex industrial environments and potentially explosive atmospheres, maintaining stable power supply during continuous data collection and wireless transmission, with high demands on safety level, low-temperature performance, and power stability.
Project Challenges
- Must support stable operation in a wide temperature range of -20 to 60°C
- Operation in hazardous explosive environments requires compliance with Ex i intrinsic safety, T4 rating
- Continuous long-term operation demands low self-discharge and stable endurance performance
- Compact design requirements due to limited device installation space
Customized Battery Solution
- Designed with Ex i intrinsic safety, T4 explosion-proof rating for safe operation in hazardous environments
- High-capacity 6.7Ah design ensures long-duration stable power supply
- Integrated protection system (overcharge, over-discharge, overcurrent, short circuit, and over-temperature protection) ensures operational safety
- Supports wide-temperature operation (-20 to 60°C discharge), suitable for demanding industrial environments
Application Results
- Significantly improves operational safety of industrial sensor systems, meeting Ex i T4 intrinsic safety standards
- Ensures stable long-duration monitoring and data acquisition, improving power reliability by approximately 20%+
- Low self-discharge design reduces maintenance frequency and supports long-term unattended operation
- Stable cycle performance extends overall service life of industrial sensor systems
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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