Sony VTC5A battery

Specifications:

• Battery Size: 18650
• Battery Chemistry: Li-ion INR / NMC
• Nominal Voltage: 3.6V
• Maximum Voltage: 4.2V
• Nominal Capacity: 2600mAh
• Estimated Charge Cycles: 500 cycles
• Maximum Discharge Current: 35A (80° cutoff)
• Dimensions:
  • Length - 2.56" (65mm)
  • Diameter - 0.75" (19.5mm)
• Weight: 1.6 oz.