The HIGHSTAR ISR18650-2600 is a cylindrical 18650 lithium-ion rechargeable battery cell designed to deliver stable power, long cycle life, and reliable performance in compact and high-drain applications. With a nominal voltage of 3.7V and a typical capacity of 2600mAh, this cell is suitable for professional and consumer battery pack designs requiring balanced energy density and safety.

Key Features

• Reliable 2600mAh capacity with steady 3.7V nominal output
• Cylindrical 18650 format for broad compatibility and easy integration
• High discharge capability up to 5C for demanding electronic loads
• Stable NMC (LiNiMnCoO₂) chemistry for improved thermal safety and durability
• Lightweight design (<46.5g) suitable for compact battery packs
• Low internal resistance (<25mΩ) for consistent performance
• Suitable for flashlights, power tools, fans, RC toys, POS machines, and similar devices

Technical Specifications

• Cell Model: ISR18650-2600
• Brand: HIGHSTAR
• Battery Type: Rechargeable Lithium-ion (NMC)
• Nominal Voltage: 3.7V
• Typical Capacity: 2600mAh
• Energy: 9.62Wh
• Cycle Life: ≥500 cycles (0.5C, 80% capacity retention), up to 1000 cycles (typical use)
• Maximum Discharge Rate: Up to 5C
• Operating Temperature:
  • Charge: 0°C to 50°C
  • Discharge: -20°C to 80°C
• Weight: ≤46.5g
• Cell Size: 18650
• Place of Origin: Jiangsu, China