
3.7V 3600mAh Explosion-proof Lithium Battery
Product Number:
05BQ1088-03
Nominal voltage:
3.7V
Nominal capacity:
3600mAh
Battery Configuration:
103450-1S2P
Dimension:
77.6 × 54.4 × 13.5 ±0.20 mm
Application:
Handheld POS Machine
Exib IiB T4 Explosion-Proof, I2C Communication, Multi Protection System
Product Overview
Electrical Specifications
| Attribute | Parameter |
| Product Number | 05BQ1088-03 |
| Cell Model | UF103450PN/1800mAh/3.7V |
| Battery Configuration | 103450-1S2P |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 3.6Ah |
| Rated Energy | 13.32Wh |
| Charging Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.75V |
| Standard Charging Current | ≤1.0A |
| Standard Discharge Current | ≤1.20A |
| Max Continuous Discharge Current | ≤1.20A |
| Internal Resistance | ≤250mΩ |
Mechanical & Environmental
| Attribute | Parameter |
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 77.6 × 54.4 × 13.5 ±0.20 mm |
| Weight | ≈108g |
| Battery Case | Plastic housing |
| Communication Protocol | I2C |
| Protection Rating | ExibiiBT4 explosion-proof function |
| Protection System | Overcharge / Over-discharge / Over-Discharge / Over-current / Short circuit protection / |
Application Background
This battery solution is designed for explosion-proof POS terminal devices, suitable for financial payment, mobile checkout, and high-risk industrial environments.
The device requires stable power supply during frequent transactions and data processing, with high demands on safety protection, communication stability, and compact structure.
Project Challenges
- Must support 8–10 hours of continuous operation
- High-frequency transactions and printing cause current surges
- Strict safety and explosion-proof requirements for financial applications
- Limited internal space requires compact size and lightweight design
Customized Battery Solution
- Explosion-proof safety design: Exib IiB T4 certified structure for high-risk environments
- Smart communication: I2C protocol for stable data exchange and system monitoring
- Multi protection system: overcharge, over-discharge, overcurrent, and short-circuit protection
- Compact lightweight design: plastic housing for better integration and space efficiency
Application Results
- Supports 8–10 hours of continuous operation with stable power output
- Improved voltage stability under high load, system reliability increased by over 20%
- Meets explosion-proof safety requirements for financial and industrial applications
- Lighter and more compact structure improves portability and device durability
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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