3.7V 27000mAh 21700 Lithium Ion Battery Pack 99.9Wh For LED Light Power Bank

Key Features

• High Capacity & Energy: 27000mAh (27Ah) capacity at 3.7V, delivering 99.9Wh of total energy for extended runtime.
• Premium 21700 Cells: Built with grade-A 21700 lithium-ion cells, featuring low self-discharge and stable performance.
• Built-in Protection System: Integrated BMS (Battery Management System) safeguards against overcharge, over-discharge, over-current, short circuit, and overheating.
• Rechargeable & Durable: Supports hundreds of charge-discharge cycles with minimal capacity degradation, ensuring long service life.
• Compact & Safe Design: Sealed with insulating PVC wrap, easy to install and use, with CE, RoHS, and UN38.3 compliance for safe shipping.
• Wide Compatibility: Suitable for a variety of low-to-medium power devices such as LED lights, portable speakers, DIY power supplies, monitoring equipment, and small consumer electronics.

  Item	Details
  Model	3.7V 27000mAh 21700 Li-ion Battery Pack
  Nominal Voltage	3.7V
  Rated Capacity	27000mAh (27Ah)
  Rated Energy	99.9Wh
  Full Charge Voltage	4.2V
  Cut-off Voltage	3.0V (controlled by BMS)
  Standard Charge Current	2.7A (0.1C, max recommended)
  Continuous Discharge Current	5A (customizable on request)
  Peak Discharge Current	10A (customizable on request)
  Cycle Life	≥ 500 cycles (at 80% depth of discharge)
  Operating Temperature	Charge: 0°C ~ +45°C   Discharge: -20°C ~ +60°C
  Connector	Bare wire leads (red positive, black negative)
  Protection	Built-in BMS (overcharge, over-discharge, over-current, short circuit, overheat)
  Certifications	CE, RoHS, UN38.3 compliant
  Weight	~360g (approximate)