Product Description
The 21700 3S2P battery pack is designed for high-power devices that require stable output and long runtime. In practical applications, it is often used in power tools, electric mobility devices, and compact energy storage systems where both capacity and space efficiency matter.
With a 3S2P configuration, this battery pack delivers a balanced combination of voltage stability and high energy density. That means devices can run longer without increasing size, which is especially important in applications with limited internal space.
Compared with standard single-cell solutions, this 21700 battery pack provides higher output power and more reliable performance under continuous load, making it suitable for demanding industrial and commercial use.
Key Features
High Capacity: A 9800 mAh battery provides long-lasting power for power-hungry devices.
Stable Voltage: A 10.8V supply ensures reliable, stable performance.
Compact Design: Measuring only 126.5mm x 24mm x 70.5mm and weighing just 440g, it’s easy to integrate.
Durable Chemistry: The ternary lithium battery structure improves energy density and cycle life.
Three-Cell Battery Structure: The 3S2P battery configuration provides high voltage and stable power output.
Cylindrical Form Factor: Standard 21700 size, compatible with a variety of devices.
Applications of 21700 3S2P Battery Pack
Power tools and industrial equipment
Electric mobility devices such as e-bikes and scooters
Energy storage systems for backup power
Consumer electronics with high power demand
IoT devices with limited installation space
Power tools and industrial equipment
Electrical Characteristics
| No. | Item | Parameter | Remark |
| 1 | Rating Voltage | 10.8V | |
| 2 | Capacity | 9800mAh | 0.2C discharge after full charge |
| Minimum Capacity | 9700mAh | ||
| 3 | Charge Voltage | 12.6V卤0.05V | Stored for one h to 4h, charged by using the upper limited charging voltage of 12.6V and maximum charging current of 5000mA |
| 4 | Impedance | 130m惟 (Max) | |
| 5 | Charging Mode | C.C/C.V. (Constant Current / Constant Voltage) | Voltage conversion based on battery voltage |
| 6 | Charging Method | Standard Charging 0.2C | Charging Current 2A |
| Max Charging 0.5C | Charging Current 5A | ||
| 7 | Charging Time | Standard Charging | 5.5 Hours |
| Fast Charging | 2.5 Hours | ||
| 8 | Overcharge Protection | 12.83V | Charging current reduced to 0.01C (26mA) by using a constant voltage charging method |
| 9 | Over Discharge Protection | 8.4V | |
| 10 | Overcurrent Protection | 8-10A, Max overcurrent 23A | |
| 11 | Short Circuit Protection | Yes | |
| 12 | Operating Consumption Current | 15碌A (Max) | |
| 13 | Operating Temperature | Charging: 0~45掳C | Discharging: -20~60掳C |
| 14 | Storage Temperature | 25卤5掳C | Storage capacity should be 40%~50% full charge |
| 15 | ID Resistor | / | |
| 16 | ESD Test | None |
Battery Configuration
| No. | Item | Type | Qty |
| 1 | Cell | 21700/4900mAh | 6 |
| 2 | Materials | Square Protection Board | 1 |
| 3 | Accessories | Insulation Pads, PVC Sleeve, Nickel Strips | – |
| 4 | Wire | 2.54 terminal, 20# Silicone Wire | 2 |
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