LR2170LA | LISHEN 21700 45A 4000mAh Lithium Battery

Lishen 21700 LR2170LA 45A 4000mAh Flat Top Rechargeable Battery

Product Description:

The Lishen 21700 LR2170LA is a high-performance rechargeable battery designed to meet the demands of today's advanced electronic devices. With its impressive 45A discharge current and 4000mAh capacity, this flat-top battery provides reliable power and long-lasting performance. Ideal for high-drain devices, electric vehicles, power tools, and more, the Lishen 21700 battery is engineered for efficiency and durability.

Key Features:

• High Capacity: 4000mAh for extended usage times
• High Discharge Current: 45A continuous discharge for high-drain applications
• Flat Top Design: Ideal for a variety of devices and applications
• Rechargeable: Can be recharged multiple times for long-term use
• Quality Construction: Made by Lishen, a trusted name in battery technology

Specifications:

• Model: LR2170LA
• Size: 21700
• Capacity: 4000mAh
• Max Continuous Discharge Current: 45A
• Nominal Voltage: 3.7V
• Full Charge Voltage: 4.2V
• Cut-off Voltage: 2.5V
• Battery Type: Lithium-ion (Li-ion)
• Top: Flat top
• Dimensions:
  • Diameter: 21.4mm
  • Length: 70.5mm
• Weight: Approx. 66g
• Cycle Life: ≥500 cycles (with 80% capacity retention)
• Operating Temperature:
  • Charge: 0°C to 45°C
  • Discharge: -20°C to 60°C
• Storage Temperature: -20°C to 60°C (recommended storage at 20°C ± 5°C)
• Certifications: CE, RoHS, UN38.3

Applications:

• High-drain devices such as power tools, electric vehicles, and portable electronics
• Flashlights, vapes, and other personal devices
• Backup power supplies and emergency power sources

Safety Information:

• Ensure correct polarity when installing
• Do not short-circuit, puncture, or disassemble the battery
• Avoid exposure to high temperatures and direct sunlight
• Use only with compatible chargers and devices