
7.4V 2150mAh Lithium Polymer Battery Pack
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 08AQ980-04 |
| Cell Model | 425085 / 3.7V / 2150mAh |
| Battery Configuration | 425085-2S1P |
| Nominal Voltage | 7.4V |
| Nominal Capacity | 2150mAh |
| Rated Energy | 15.91Wh |
| Charging Voltage | 8.4V |
| Discharge Cut-off Voltage | 6.0V |
| Standard Charging Current | ≤2.1A |
| Standard Discharge Current | 0.43A |
| Max Continuous Discharge Current | 0.43A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0 ~ 45℃ |
| Discharge Temperature | -20 ~ 60℃ |
| Storage Temperature | -20 ~ 35℃ |
| Dimensions | 11 × 53 × 90 mm |
| Weight | 90 g |
| Battery Case | ABS+PC engineering plastic |
| Protection System | Short circuit, overcharge, over-discharge, overcurrent protection |
Application Background
This battery solution is designed for POS terminals and mobile printing devices, suitable for mobile payment, receipt printing, and high-frequency commercial applications.
The device requires long-duration continuous operation and stable power supply during frequent printing and data exchange, placing high demands on runtime, output stability, and compact structure.
Project Challenges
POS devices require continuous operation for 8–10 hours
Frequent printing causes instantaneous load fluctuations, requiring stable voltage output
Frequent daily charge-discharge cycles demand good cycle life performance
Limited internal space requires lightweight and compact design
Customized Battery Solution
7.4V dual-series configuration designed for stable POS power supply
ABS+PC engineering plastic housing for enhanced structural strength and impact resistance
Multi-protection system: overcharge, over-discharge, overcurrent, and short-circuit protection
Compact design optimized for space utilization in portable terminals
Application Results
Supports continuous operation for 8–10 hours
Stable output under high-load printing ensures reliable device performance
Lightweight structure improves handheld comfort and usability
Stable cycle performance extends overall service life of the device
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)











