
26650 48V 40Ah LiFePO4 Battery Pack for Robot
This battery is designed for patrol robots used in security patrol and autonomous inspection scenarios such as parks and outdoor facilities. It delivers stable high-current output with a rugged metal housing, ensuring reliable long-duration operation under high-load and wide-temperature conditions.
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 04EQ029-16 |
| Cell Model | 26650/3.2V/3.3Ah PLB |
| Battery Configuration | 26650-15S12P |
| Nominal Voltage | 48V |
| Nominal Capacity | 40Ah |
| Rated Energy | 1920Wh |
| Charging Voltage | 54V |
| Discharge Cut-off Voltage | 45V |
| Standard Charging Current | ≤20A |
| Standard Discharge Current | 8A |
| Max Continuous Discharge Current | 50A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~55℃ |
| Storage Temperature | -20~40℃ |
| Dimensions | 180×180×140mm(Max) |
| Weight | 30kg |
| Battery Case | Cold-rolled metal housing |
| Protection System | Short circuit protection, overcharge protection, over-discharge protection, overcurrent protection, temperature protection |
Application Background
This battery solution is designed for patrol robots, widely used in park inspection, security patrol, and outdoor autonomous monitoring applications.
The system requires long-duration autonomous operation in complex terrains, demanding strong continuous power supply, high surge power response, and structural reliability.
Project Challenges
Patrol robots require 10–16 hours of continuous operation
Climbing and acceleration conditions demand 50A peak discharge
Frequent daily charge-discharge cycles require long cycle life
Outdoor environments require strong shock and protection performance
Customized Battery Solution
High-rate discharge design: supports 50A instant high-current output
Cold-rolled metal housing: improves impact resistance and structural durability
Wide-temperature adaptability: ensures stable operation from -20℃ to 55℃
Multiple protection system: overcharge, over-discharge, overcurrent, short circuit, and temperature protection
Application Results
Ensures long-duration autonomous operation of patrol robots
Improves power response stability under complex terrain conditions
Reduces system failure rate and increases patrol efficiency
Extends battery cycle life and overall service lifespan
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)









