14.8V 5000mAh 21700 Lithium Battery Pack Rechargeable For Solar Backup Power

Key Features 

• Premium 21700 Grade A Cells: High energy density and stable performance.
• 14.8V Nominal Voltage, 5000mAh Capacity: 74Wh total energy for longer runtime.
• Built-in Smart BMS: Protection against overcharge, over-discharge, over-current, short circuit, and overheating.
• High Discharge Capability: Suitable for continuous and peak power demands (customizable current available).
• Long Cycle Life: Up to 500+ cycles at 80% depth of discharge.
• Rechargeable & Reliable: Designed for repeated use with consistent performance.
• Widely Compatible: Fits various power tools, portable devices, and small electronics.
• Certified Safety: CE, RoHS, MSDS, and UN38.3 compliant for global shipping.

  Item	Details
  Model	14.8V 5000mAh 21700 4S1P Battery Pack
  Cell Type	Cylindrical 21700 Lithium-ion
  Nominal Voltage	14.8V
  Nominal Capacity	5000mAh (5Ah)
  Rated Energy	74Wh
  Full Charge Voltage	16.8V
  Cut-off Voltage	10.0V (controlled by BMS)
  Standard Charge Current	2.5A (0.5C)
  Continuous Discharge Current	5A (1C, customizable)
  Peak Discharge Current	10A (2C, customizable)
  Cycle Life	≥500 cycles (@80% DOD)
  Internal Resistance	≤80mΩ
  Operating Temperature	Charge: 0°C ~ +45°C   Discharge: -20°C ~ +60°C
  Connector	Optional (XT60 / JST / bare wire)
  Dimensions	Customizable (based on 4S1P layout)
  Weight	~360g (approximate)
  Protection	Integrated BMS
  Certifications	CE, RoHS, MSDS, UN38.3

  Applications

  • Power Tools: Cordless drills, impact wrenches, angle grinders, and saws.
  • Portable Electronics: Vacuum cleaners, robotic devices, and lighting systems.
  • RC & Outdoor: Drones, quadcopters, and small portable power stations.
  • Medical & Industrial Equipment: Backup power and low-draw industrial devices.
  • DIY Projects: Solar storage, custom power solutions, and hobby builds.