7S10P 25.2V 50Ah 21700 Li ion Battery Pack
Our 25.2V 50Ah 21700 Lithium-ion Battery Pack delivers exceptional endurance and reliability for continuous, demanding applications. Designed to overcome the limitations of traditional power sources, it significantly extends runtime and enhances battery service life—enabling smoother and more efficient workflows.
With NMC materials’ superior energy density and a lifespan exceeding 1,000 cycles at 80% depth of discharge, this battery reduces the need for frequent recharging, lowers maintenance requirements, and minimizes long-term replacement costs caused by capacity degradation.
Equipped with built-in industrial communication interfaces, it integrates seamlessly with robotic control systems, enabling real-time monitoring and intelligent energy management.
The robust structure offers high resistance to vibration and mechanical impact, ensuring safe and stable performance in AGV or robot applications.
Key features：
- Battery Configuration: 7S10P with 21700 50E Cells
- Long Cycle Life: Over 1000 Cycles at 80% DoD
- Industrial Communication: RS-485 Protocol Support
- Rugged Housing: Reinforced Metal Enclosure
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 25.2V | 3.6V/Cell |
| 2 | Nominal Capacity | 50Ah | @0.2C |
| 3 | Minimum Capacity | ≥49Ah | |
| 4 | Shipment Voltage | 21.7V~27.3V | |
| 5 | Initial Internal Impedance | ≤200mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 29.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 10A | 0.2C |
| 8 | Max. Charge Current | 25A | 0.5C |
| 9 | Standard Discharge Current | 25A | 0.5C |
| 10 | Max. Discharge Current | 100A | |
| 11 | Burst Discharge Current | 150A | ≤3ms |
| 12 | Discharge Cut-off Voltage | 18.9V | 2.7V/Cell |
| 13 | Cycle Life | ≥1000 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +45°C | ≤3 months |
| -20°C~ +25°C | ≤1 Year | ||
| 17 | Weight | About 7 | kg |
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25.2V 50Ah 21700 battery pack FAQs
What protection functions are included in the BMS?
The BMS includes overcharge, over-discharge, overcurrent, short-circuit, and temperature protection. It also supports SOC monitoring and fault alarm via RS-485.
How do you ensure the safety of the battery pack?
We use A-grade EVE 21700 cells, 100% incoming inspection, and strict testing (voltage, impedance, capacity). The pack is equipped with metal housing, BMS protections, and optional IP65–IP67 waterproofing to meet industrial safety standards.
Which certifications are available? Can it be exported?
We can provide UN38.3, MSDS, CE, UL, RoHS, and other certifications or reports as needed for international shipping and market compliance.
Can you supply samples for testing before bulk order?
Yes, we accept the sample orders. We suggest testing the battery in your specific application to ensure compatibility before mass production.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
