
26650 16V 3300mAh Lithium-ion Battery Pack
This battery is designed for inspection robots used in industrial patrol and monitoring scenarios such as power systems, pipelines, and facility inspection. With stable output, wide-temperature performance and compact structure, it ensures long-duration continuous operation and reliable power support.
Electrical Specifications
| Property | Parameter |
|---|---|
| Product Number | 33DZ009-03 |
| Cell Model | 26650 / 3.2V / 3400mAh |
| Battery Configuration | 5S1P |
| Nominal Voltage | 16V |
| Nominal Capacity | 3400mAh |
| Rated Energy | 54.4Wh |
| Charging Voltage | 18.25V |
| Discharge Cut-off Voltage | 10V |
| Standard Charging Current | ≤2.5A |
| Standard Discharge Current | ≤2.5A |
| Max Continuous discharge current | ≤2.5A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Property | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~45℃ |
| Dimensions | 132.5 × 72 × 28 mm |
| Weight | 400g |
| Output Type | — |
| Battery Case | PVC |
| Protection System | Short circuit / overcharge / overdischarge / overcurrent / overtemperature protection |
Application Background
This battery solution is designed for medical portable devices and backup power systems, widely used in mobile medical testing and emergency power supply scenarios.
The equipment requires stable operation in complex environments, with high demands on power reliability, low-temperature performance, and safety.
Project Challenges
Device requires continuous operation of 6–10 hours
Stable discharge performance required at low temperatures (-20℃)
Frequent charge/discharge cycles require strong cycle life
Limited device space with strict constraints on size and weight
Customized Battery Solution
High-energy platform: 16V/3400mAh design ensures stable power supply for medical equipment
Wide-temperature LiFePO4 system: supports -20~60℃ discharge for enhanced adaptability
Multiple protection mechanisms: overcharge, overdischarge, overcurrent, overtemperature, and short circuit protection
Compact PVC packaging: lightweight structure for easy integration into portable devices
Application Results
Supports continuous operation of 6–10 hours
Improved stability in low-temperature environments
Enhanced safety protection reduces operational risks
Extended cycle life reduces maintenance and replacement frequency
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)









