Manufacturer: Murata Model: US18650VTC4 (VTC4) Size: 18650 Style: Flat Top Nominal Capacity: 2100mAh Discharge Current: 20A Maximum Continuous with 80deg C cutoff, 30A Maximum Continuous with 100deg C cutoff Nominal Voltage: 3.6V Maximum Voltage: 4.2V Cutoff Voltage: 2.5V Approximate Dimensions: 18.20mm x 64.86mm Approximate Weight: 45.3g NOTE: BATTERY IS SOLD IN 2 PIECES or 1 Pair, With Free plastic battery case