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Service Robots_WA001B-RBA
- 20.8 Ah High Capacity
- 435 Wh Long Runtime
- 50 A High-Power Output
- 20 A Fast Charging
The battery uses CC/CV charging, with a recommended charging current of 10 A and a maximum charging current of up to 20 A, significantly improving recharge efficiency after docking and reducing downtime. The recommended discharge current is 30 A, with a maximum discharge current of up to 50 A, meeting the high-power demands of robot startup, acceleration, hill climbing, steering, and simultaneous operation of multiple functional modules.
Product Specifications & Configuration
Battery Model: WA001B-RBA
Cell Type / Capacity: ICR18650 2600mAh 26HE
Battery Configuration: The finished battery pack consists of 48 cells in a 6S8P configuration and a protection control circuit (PCM).
Basic Performance
| No. | Item | Parameter | Remarks | |
| 1 | Capacity | Typ.20800mAh | 0.2C Discharge | |
| Min.19600mAh | ||||
| 2 | Rated Energy | 435.12Wh | ||
| 3 | Nominal Voltage | 22.2V | ||
| 4 | Charge Limit Voltage | 25.2V | ||
| 5 | Maximum Charging Voltage | 25.5V | ||
| 6 | End-of-Discharge Voltage | 16.5V | ||
| 7 | Discharge Cut-off Voltage | 16.5V | ||
| 8 | Charging Method | CC-CV | ||
| 9 | Recommended Charging Current | 10000 mA | 0.5c | |
| 10 | Maximum Charging Current | 20000mA | (1C） | |
| 11 | Recommended Discharge Current | 30000mA | ||
| 12 | Maximum Discharge Current | 50000 mA | 8S | |
| 13 | Operating Temperature | Charging | 0°℃~+10℃ | Charge at 0.2C to 25.2 V |
| +10°℃~+20°℃ | Charge at 0.5C to 25.2 V | |||
| +20°℃~+45°℃ | Charge at 1.0C to 25.2 V | |||
| Discharging | -20℃~-0℃ | Discharge at 0.5C to 16.5 V | ||
| 0℃~+60℃ | Discharge at 4.0C to 16.5 V | |||
| 14 | Storage Temperature | Less than 1 Month | -20°C~+60°C | Capacity Recovery ≥ 80% |
| Less than 3 Months | -20°C~+45°C | |||
| Less than 1 Year | -5°C~+30°C | |||
| 15 | Storage Requirement | Recharge the battery every 4 months during storage. | ||
| 16 | Relative Humidity | 65±10% | ||
| 17 | Battery Internal Resistance | ≤ 100mΩ | AC internal resistance measured at 1 kHz after standard charging. | |
| 18 | Battery Weight | 2680 ± 20g | About | |
| 19 | Battery Dimensions | Length | MAX 290mm | |
| Width | MAX 72mm | |||
| Thickness | MAX 82mm | |||
High Capacity & Long Runtime: 22.2 V / 20.8 Ah with approximately 435 Wh of rated energy, providing continuous power for drive, navigation, interactive display, and control systems.
High-Power Output: Supports a recommended discharge current of 30 A and a maximum discharge current of up to 50 A, meeting the power demands of robot startup, acceleration, steering, and simultaneous operation of multiple modules.
Fast Charging: Supports a recommended charging current of 10 A and a maximum charging current of up to 20 A, reducing recharge time and improving the continuous operating efficiency of service robots.
Stable Wide-Temperature Operation: Supports discharge from −20°C to +60°C and charging from 0°C to +45°C, ensuring reliable operation across a range of indoor and outdoor environments.
