 |
| Quantity: | |
|---|---|
3.2V21Ah
At Shenyang Lanjian Technology Co., Ltd, we are committed to developing cutting-edge technology in the field of batteries. Our products are designed with the reading habits of English-speaking natives in mind, ensuring that they meet the highest standards of safety and performance.
Our batteries are equipped with a diaphragm that adopts wet-process PE high-strength film, resulting in a low self-discharge rate and excellent safety performance even under heavy impact and extrusion. We have also incorporated various safety additives to the electrolyte, ensuring that our batteries perform well in safety tests such as overcharge, hot box, and short circuit. Furthermore, the cap of our batteries features a PTC thermistor element and CID power-off structure, providing an additional layer of safety.
We understand the importance of longevity when it comes to batteries. That's why our ternary lithium batteries adopt the NCM(523) coating series, and the negative electrode utilizes secondary particle artificial graphite. This combination ensures excellent cycle performance, allowing our batteries to be cycled more than 1200 times at room temperature with an end-of-life (EOL) capacity of 70%. Additionally, our LFP lithium battery products have been stocked with ultra-long-life variants that can be cycled up to 10,000 times, meeting the 15-year warranty requirement. This makes our batteries suitable for various practical applications both domestically and internationally.
We have optimized the structure of our battery cells to meet high current capacity demands. Through finite element thermal simulation analysis, we have improved the lightweight of the current collector and separator, as well as enhanced the hole structure of the negative electrode. This optimization has resulted in improved performance and guaranteed safety. Our batteries can handle 1C charging and 3C discharging, ensuring their reliability in various applications.
Choose Shenyang Lanjian Technology Co., Ltd for batteries that excel in safety, longevity, and high current capacity. Our commitment to research and development ensures that we provide products that meet the reading habits and expectations of English-speaking natives. Experience the difference today.
PERFORMANCE SPECIFICATION | ||
GENERAL PARAMETER | ||
Item | Specification | Condition |
Nominal Capacity | 21Ah | Standard Charge & Discharge Procedure |
Nominal Energy | 67Wh | Standard Charge & Discharge Procedure |
Nominal Voltage | 3.2V | 0.33C |
Voltage Range | 2.0~3.65V | Cell Temperature T>0℃ |
1.8~3.65V | Cell Temperature T≤0℃ | |
Impedance（DC） | R ≤ 7mΩ | Fresh Cell (~50%SOC，25±2℃) |
Residual Capacity Loss | Per Month ≤3% | 50%SOC,25±2℃ Storage |
Energy Density | 158Wh/Kg (320Wh/L) | 0.33C/0.33C |
Cycle Life | ≥2000 Cycles/8years | Cycle Test by The Standard Charge & Discharge Under 300±20Kgf Preload @80% Capacity Retention |
CHARGING PARAMETER | ||
Item | Specification | Condition |
Standard Charge Rate | 8.0A | 10℃≤T<45℃ |
Charge Cut-off Voltage | 3.65V | Cell Max Charging 3.65 Voltage |
Standard Charge Method | 0.33C CC to 3.65V CV to 0.05C | 0.05C Cut-off |
Standard Charging Temperature | 25±2℃ | Cell Temperature |
Absolute Charging Temperature | 0~55℃ | The Temperature Range of Cell Charging |
Absolute Charging Voltage | 3.65V | The Voltage Range of Cell Charging |
DISCHARGING PARAMETER | ||
Item | Specification | Condition |
Standard Discharging Rate | 1C | 25±2℃ |
Maximum Discharging Rate (Continuous) | 2C | 25±2℃ 5min |
Maximum Discharging Rate (Peak) | 3C | 25±2℃ 0.5min |
Discharge Cut-off Voltage | 2.0V | Temperature T>0℃ |
1.8V | Temperature T≤0℃ | |
Standard Discharge Temperature | 25±2℃ | Cell Temperature |
Absolute Discharging Temperature | -30~60℃ | The Temperature Range of Cell Discharging |
MECHANICAL PARAMETER | ||
Item | Specification | Condition |
Dimension | 22.5×65×146 mm | With cover (10Kgf,5%SOC) & Electrode Terminal |
Weight | 430±5g
| Net Weight |
