Weltool INR18-33 18650 Flat Top Rechargeable Lithium-Ion Battery Fits F11R Flashlight

 Weltool INR series lithium-ion batteries are original cells without additional protection circuits. When using, please make sure not to over-discharge or over-charge the battery. INR18-33 is a high-capacity flat-top 18650 rechargeable lithium-ion battery. Battery model: INR18-33 Nominal capacity: 3300mAh Typical capacity: 3200mAh Internal resistance: ≤25mΩ Nominal voltage: 3.60V Continuous discharge current at room temperature: 9.9A (0~35℃) Continuous discharge current at low or high temperature: 3.3A (-25~0℃) or (35~45℃) Standard charging current: 1.65A (5℃~15℃) Overcharge protection voltage: 4.2±0.05V Over-discharge protection voltage: 2.5±0.05V After 800 cycles of charge and discharge, the battery still retains 70% capacity Charging temperature: +0~+45℃ Discharging temperature: -20~+60℃ Battery size: 18.35±0.15mm (diameter), 65.05±0.15 mm (length) Weight: 48±2g