7.4V 25Ah 21700 Battery Pack
For engineering teams building compact robotics, embedded electronics, or mobile smart systems, the 2S5P 7.4V 25Ah 21700 Lithium-ion Battery Pack offers a reliable, high-capacity power solution in a space-efficient form factor.
Key features：
- 2S5P, made of 10pcs 27100 reputation cells
- High capacity with compact dimension
- Built-in Smart BMS includes protection for overcharge, over-discharge, short circuit, temperature fluctuations.
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 7.4V | 3.7V/Cell |
| 2 | Nominal Capacity | 25Ah | @0.2C |
| 3 | Minimum Capacity | 24Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤120mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 8.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 5A | @0.2C |
| 8 | Max. Charge Current | 10A | |
| 9 | Standard Discharge Current | 5A | @0.2C |
| 10 | Max. Discharge Current | 15A | |
| 11 | Burst Discharge Current | 40A | ≤500ms |
| 12 | Discharge Cut-off Voltage | 5.4V | 2.7V/Cell |
| 13 | Cycle Life | ≥600cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+50°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +35°C | ≤3 months |
| -20°C~ +25°C | ≤1 Year | ||
| 17 | Weight | About 0.8 | kg |
Common Questions 7.4V 25Ah Battery Pack Answers
How long will this 7.4V 25Ah battery operate?
This 7.4V robot battery design powers a small robot that requires 6+ hours of runtime in limited space.
Do you provide testing and certification services?
CM Batteries can help with certifications like UN38.3, IEC62133, and others. Testing reports and MSDS are also accessible.
Can I customize this battery pack (e.g., 2S3P, 2S4P, BMS, connectors)?
Of course. In order to match your product design, we allow OEM/ODM customization for different configurations, wire length, connections, labels, and housing materials.
Can this battery operate in high or low temperatures?
This battery pack is not available. But we can design it for you.
Is it possible to produce samples or in small quantities?
Yes. We provide a flexible MOQ, which includes small-batch customization and sample orders for prototype testing.
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.
