Linkdata INR21700S-65P 6500mAh 52A 21700 Li-Ion Cell

The Linkdata INR21700S-65P is a 21700 lithium-ion cell rated at 6500mAh typical capacity, for high-capacity packs in long-range FPV, UAV and other high-drain builds. It is sold as one unprotected bare cell.

Key features

• Rated 6500mAh typical (6370mAh minimum) and 23.4 Wh at 3.6 V nominal
• Rated 52A maximum continuous discharge, limited by an 80°C cell temperature cutoff, so usable current depends on cooling
• Standard 3.25A CC-CV charge, with a maximum continuous charge current of 8A
• Flat positive terminal for spot-welded pack assembly

Specifications

• Model: INR21700S-65P
• Format: 21700 cylindrical Li-ion
• Typical capacity: 6500mAh (minimum 6370mAh)
• Nominal voltage: 3.6 V
• Typical energy: 23.4 Wh
• Charge cut-off voltage: 4.2 V
• Discharge cut-off voltage: 2.5 V
• Standard charge current: 3.25 A
• Max continuous charge current: 8 A
• Max continuous discharge: 52 A, with 80°C temperature cutoff

Design packs around the temperature limit rather than the peak rating: plan a sustained draw well below 52A per cell, fit a BMS or cell-temperature sensing, and check the wrapped cell's diameter against your holder or enclosure before ordering.