A Grade BAK 32140 3.2V 15000mAh LiFePO4 battery is a rechargeable battery that uses lithium iron phosphate (LiFePO4) as the cathode material. LiFePO4 batteries have several advantages over other lithium-ion batteries, such as higher safety, longer cycle life, lower self-discharge, and better performance at high temperatures. A 32140 LiFePO4 battery has a cylindrical shape with a diameter of 32 mm and a height of 140 mm. It has a nominal voltage of 3.2 V and a nominal capacity of 15000 mAh. It can be used for various applications, such as electric vehicles, solar energy storage, backup power, and flashlights.
Specification of A Grade BAK 32140 3.2V 15Ah Lithium Iron Phosphate Cell:
| Item | Specification | Remarks | |
| Typical Capacity | 15500mAh | 0.5C5A discharge | |
| Minimum Capacity | 15000mAh | 0.5C5A discharge | |
| Nominal Voltage | 3.2V | ||
| Discharging Voltage (Min) | 2.0V | ||
| Charging Voltage (Max) | 3.65±0.05V | ||
| Charging Current（Std） | 3000mA | 0.2C5A（0 ~ +45°C） | |
| Discharging Current（Std） | 3000mA | 0.2C5A（-20 ~ +60°C） | |
| Max Charging Current | 15000mA | 1.0C5A（0 ~ +45°C） | |
| Discharging Current（Max/Peak 3s） | 75000mA | 5.0C5A（-20 ~ +60°C） | |
| Max continuous Discharging Current | 45000mA | 3.0C5A（5 ~ +45°C） | |
| Internal Impedance | ≤3.0mW | AC Impedance 1kHz | |
| Cell Weight | 300g | About | |
| Storage temperature range | ＜ 1 Month | -20 ~ +60°C | |
| ＜ 3 Month | -20 ~ +45°C | ||
| ＜12 Month | -20 ~ +25°C | ||
| Charging temperature range | 0 ~ +45°C | ||
| Full Charge | The charger supplies 0.2C5A constant current until battery voltage reaches 3.65V，then be changed at constant voltage of 3.65V while tapering the charge current to less than or equal to 0.01C5A.Charging time is 5.0 hours in all. | |
| Capacity | ①Within 1 hour after fully charged, discharged at 0.5C5A continuously down to 2.0V. | ³ 100% capacity |
| ②Within 1 hour after fully charged, discharge at 1.0C5A continuously down to 2.0V. | ³ 95% capacity | |
| Cycle life | A battery unit shall be repeated 3500 charge/discharge cycles, charged at CC-CV(0.2C5A-3.65V) for 5 hours, discharged at 0.5C5A continuously down to 2.0V Cut-off Voltage, Measure discharge capacity. | ³ 80% capacity |
| Capacity retention | After fully charged, it was stored for 28 days at 20°C, then for 1 hour at normal temperature and continuously discharged at 0.2C5A to 2.0V. | Capacity retention rate ³ 95% |
Characteristic:
- Long cycle life:
- High safety
- High Energy Density
- Good charging and discharging performance;
- Wide working temperature range
Package Include:
- 1 x A Grade BAK 32140 3.2V 15Ah Lithium Iron Phosphate Cell In Pakistan
These BAK brands LifepO4 batteries are amazing and quality wise are much better than no name or re-wrapped batteries available locally.