
26650 12.8V 33Ah LiFePO4 Battery Pack
This battery is designed for pet tracking devices used in real-time location monitoring and outdoor activity tracking scenarios. It delivers stable output with a compact and lightweight structure, ensuring reliable continuous operation and extended tracking performance in daily use.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 04EQ236-01 |
| Cell Model | 18650/3.6V/6.7Ah |
| Battery Configuration | 18650-4S2P |
| Nominal Voltage | 14.4V |
| Nominal Capacity | 6.7Ah |
| Rated Energy | 96.48Wh |
| Charging Voltage | 16.8V |
| Discharge Cut-off Voltage | 10V |
| Standard Charging Current | ≤3A |
| Standard Discharge Current | 3A |
| Max Continuous discharge current | 3A |
| Internal Resistance | ≤250mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -40~60℃ |
| Storage temperature | -20~20℃ |
| Dimensions | 165×80×22 mm (Max) |
| Weight | 600g |
| Battery Case | PC |
| Protection System | Short circuit / Overcharge / Overdischarge / Overcurrent protection |
Application Background
This battery solution is designed for portable ultrasound devices, widely used in bedside diagnosis, emergency examinations, and outdoor mobile medical scenarios.
The equipment requires long-duration continuous scanning and high-frequency imaging processing, demanding stable power output, fast load response, and compact structural design.
Project Challenges
Device requires continuous operation for 6–10 hours
High transient power demand during ultrasound imaging may affect voltage stability
Frequent charge/discharge cycles require strong cycle consistency
Portable use requires strict constraints on weight and space
Customized Battery Solution
High energy-density design: stable 14.4V output to support continuous imaging power demand
High-safety protection system: multiple protections including overcharge/overdischarge/overcurrent/short circuit
Shock-resistant structure: PC housing with internal cushioning design for mobile reliability
Wide temperature adaptability: -40~60℃ operating range for complex medical environments
Application Results
Supports 6–10 hours continuous operation of portable ultrasound devices
Stable output during imaging, reducing risk of system interruption
Optimized weight and structure, improving portability and handling experience
Stable cycle performance, meeting long-term medical usage requirements
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)











