LINKDATA INR21700S-65P 6500mAh High Capacity Lithium-ion Battery Cell

The LINKDATA INR21700S-65P is a high-performance 21700 cylindrical rechargeable lithium-ion cell designed for demanding energy storage and power applications. Featuring a high 6500mAh capacity, high discharge capability, low internal resistance, and excellent cycle life, this cell delivers reliable performance for advanced battery pack solutions.

Key Features

• High Capacity: 6500mAh typical capacity with 23.4Wh energy output.
• High Power Performance: Supports up to 165A pulse discharge current for high-power applications.
• Low Internal Resistance: ≤4.5mΩ AC internal resistance for improved efficiency and reduced heat generation.
• Long Cycle Life: Up to 600 cycles with ≥80% capacity retention under specified test conditions.
• Wide Temperature Operation: Reliable charging and discharging performance across extreme temperature ranges.
• 21700 Standard Format: Compatible with advanced battery pack designs for EV, ESS, and industrial applications.

Technical Specifications

Performance Characteristics

High Rate Discharge Capability

The INR21700S-65P maintains excellent capacity retention under high-rate discharge conditions, supporting demanding applications requiring strong power output.

Wide Temperature Range

Operating temperature range:

• Charging: -10°C to 60°C
• Discharging: -40°C to 70°C

Cycle Life Performance

• 600 cycles with ≥80% capacity retention (6.5A charge / 6.5A discharge)
• 500 cycles with ≥60% capacity retention (8A charge / 20A discharge)

Typical Applications

• Electric Vehicle Battery Packs
• Energy Storage Systems (ESS)
• Power Tools
• Industrial Equipment
• Portable Power Systems
• High-performance Battery Modules

Quality & Safety

The INR21700S-65P cell has been tested according to safety requirements including external short circuit, overcharge, forced discharge, vibration, drop, crush, and thermal testing. The tested criteria require no fire, no explosion, and no leakage under specified conditions.

Important Notice

Lithium-ion cells must be assembled and operated with appropriate protection circuits. Battery pack design, charging system, and usage conditions must follow manufacturer safety requirements.