18650 21.6V 3350mAh Lithium ion Battery Pack
Product Number:
08DQ0052-01
Nominal voltage:
21.6V
Nominal capacity:
3350mAh
Battery Configuration:
18650-6S1P
Dimension:
160 × 80 × 25 mm (Max)
Application:
portable medical equipment
ABS+PC rugged housing, SMBus smart communication, LED SOC display
Product Overview
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 08DQ0052-01 |
| Cell Model | 18650-3350mAh-3.6V |
| Battery Configuration | 18650-6S1P |
| Nominal Voltage | 21.6V |
| Nominal Capacity | 3350mAh (3.35Ah) |
| Rated Energy | 72.36Wh |
| Charging Voltage | 25.2V |
| Discharge Cut-off Voltage | 16.8V |
| Standard Charging Current | ≤2.0A |
| Standard Discharge Current | ≤4.0A |
| Max Continuous Discharge Current | ≤4.0A |
| Internal Resistance | ≤230mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0 ~ 45℃ |
| Discharge Temperature | -20 ~ 60℃ |
| Storage Temperature | -20 ~ 35℃ |
| Dimensions | 160 × 80 × 25 mm (Max) |
| Weight | 400g |
| Output Type | Gold-plated spring contact |
| Battery Case | ABS+PC housing |
| Communication Protocol | SMBus (TI smart BMS) |
| Protection System | Short circuit, Overcharge, Overdischarge, Overcurrent, Overtemperature, ESD protection, LED SOC display |
Application Background
This battery solution is specifically designed for mobile medical equipment (emergency devices), suitable for portable ultrasound systems, field emergency diagnostics, and medical auxiliary applications.
The device must operate reliably in emergency medical environments, supporting high-reliability data acquisition and performance in low-temperature or complex outdoor conditions, with strict requirements on safety, runtime, and power stability.
Project Challenges
- Continuous operation required for 4–6 hours or more
- High requirements on power stability and medical-grade safety standards
- Wide operating temperature range (-20°C to 60°C) for outdoor emergency use
- Strict constraints on weight and thickness for portable design
Customized Battery Solution
- 21.6V high-voltage platform (6S1P configuration) for stable medical device power supply
- ABS+PC engineering housing for improved structural strength and impact resistance
- TI SMBus intelligent battery management system enabling accurate SOC, temperature monitoring, and data communication
- Comprehensive protection system (overcharge, overdischarge, overcurrent, short circuit, overtemperature, ESD) ensuring medical-grade safety
Application Results
- Supports continuous medical operation for 4–6+ hours
- Improved power stability ensures reliable medical data acquisition
- LED SOC display enhances on-site usability and visual power management
- Enhanced system safety, suitable for high-risk emergency medical applications
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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