Rechargeable Li-ion Battery Pack 7.4V 18650 8000mAh Power Lithium Ion Batteries For Bluetooth Speaker
Product Specifications
| Attribute | Value |
| Accessories Type | Chargers |
| Rated Capacity | 8000mAh |
| Standard Voltage | 7.4V |
| Usage | Remote Control Boat, Remote Control Plane, Remote Control Car, LED Bicycle Headlamp, Electric Bicycle, Camera |
| Charging Cut-off Voltage | 8.4V |
| Charging Current | 1.5A |
| Wh | 45W |
| Weight | 358g |
| Warranty | 12months |
| HS Code | 8507600090 |
Technical Details
Charging method
Constant current 1C to 8.4V, then charge with constant voltage 8.4V till charge current less than 0.01C
Discharge cut-off voltage
6V, the over-discharge detection voltage of PCM
Operating environment
Charging, 0°C ~ 45°C ; 65±20%RH; Discharging, -20°C~60°C ; 65±20%RH
Storage environment
-20°C~45°; 65±20%RH;
Lifespan (80% Prime Capacity)
>500times
Charging Attention: It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance.
Features:
Nominal Voltage and Capacity:This battery pack has a nominal voltage of 7.4V and a nominal capacity of 8000mAh, providing stable high voltage output and large energy storage capacity.
Charging and Discharging Performance:Standard charging current is 0.2C, maximum charging current is 0.5C; standard discharging current is 0.2C, maximum discharging current is 0.5C, supports continuous discharge and has overcurrent protection (protection value 10~17A).
Operating Temperature Range:Charging operating temperature is 0~45℃, discharging operating temperature is -20~60℃, adaptable to a wide range of ambient temperature variations.
Protection Mechanism:Built-in protection board provides overcharge protection (4.28±0.025V per string), over-discharge protection (2.4±0.1V), and overcurrent protection to ensure safe use.
Application:
Lighting Equipment: Suitable for emergency lights, mining lamps, LED flashlights, and other lighting tools requiring portable power.
Portable Electronic Devices: Provides power for cordless phones, portable DVDs, laptops, etc.
Industrial and Medical Instruments: Serves as a reliable power source in monitors, electronic devices, etc.
Power Tools and Household Appliances: Compatible with high-power devices such as handheld drills and vacuum cleaners, meeting the needs of extended use.
Energy Storage Systems: Can be used in solar power systems or electric vehicle energy storage, achieving efficient energy storage and backup.
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