
18650 14.4V 13.4Ah Lithium-ion Battery Pack
This lithium battery is designed for rugged outdoor laptops used in field surveying, emergency response, and industrial inspection applications. Featuring wide-temperature performance, SMBUS communication, and long runtime, it delivers stable power supply for continuous operation in harsh environments.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 36AQ500-05 |
| Cell Model | INR18650-3350mAh-3.6V |
| Battery Configuration | INR18650-4S4P |
| Nominal Voltage | 14.4V |
| Nominal Capacity | 13.4Ah |
| Rated Energy | 192.96Wh |
| Charging Voltage | 16.8V |
| Discharge Cut-off Voltage | 10V |
| Standard Charging Current | 5A |
| Standard Discharge Current | 5A |
| Max Continuous Discharge Current | 5A |
| Internal Resistance | ≤180mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0°C ~ +60°C |
| Discharge Temperature | -40°C ~ +60°C |
| Storage Temperature | -40°C ~ +45°C (<1 month); -20°C ~ +35°C (<3 months); -20°C ~ +25°C (<12 months) |
| Dimensions | 270 × 76 × 19.5mm |
| Weight | 900g |
| Output Type | UL Standard Cable |
| Battery Case | PVC Heat Seal |
| Communication Protocol | SMBUS |
| Protection System | Short Circuit Protection, Overcharge Protection, Over-discharge Protection, Overcurrent Protection, Over-temperature Protection |
Application Background
This battery solution is specially designed for rugged outdoor laptops, suitable for field surveying, emergency command, industrial inspection, and other harsh environment applications.
Rugged laptops require stable power supply under low-temperature, high-temperature, and long-duration operating conditions, placing high demands on runtime, environmental adaptability, and communication management.
Project Challenges
Continuous operation for more than 8–12 hours in outdoor environments
Stable discharge performance required under -40°C low-temperature conditions
Limited internal device space requires compact battery structure design
Reliable communication and multiple safety protections needed in complex operating conditions
Customized Battery Solution
Wide temperature design: Supports operation from -40°C to 60°C for outdoor applications
SMBUS communication: Enables battery data monitoring and system management
Compact structure: 4S4P high-energy-density design fits built-in installation space
Multiple protection system: Integrated overcharge, over-discharge, overcurrent, short circuit, and over-temperature protection
Application Results
Supports continuous outdoor operation for over 8–12 hours
Maintains stable output under low-temperature environments, improving device reliability
High-capacity design effectively extends operating runtime
More accurate communication management enhances overall system safety
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)











