Samsung 25R 3.7V 18650 Rechargeable Li-ion Battery
Size: 18mm x 65mm
Capacity: 2500mAh
Voltage: 3.7V
Max Continuous Discharge: 20A
Characteristic: Flat Top (NOT Button Top), No Memory Effect, High Energy Density, & Pollution-free
What you get: 2x Samsung 25R 18650 2500mAh Flat Top Rechargeable Battery