The Samsung 25R is a long lasting 18650 Battery. It's the perfect battery for a Mech Mod or any Box Mod. This is a flat top battery and has been produced by Samsung!
Samsung 25R 2500mAh Battery Features
Flat TopNominal Capcity: 2500 mAhNominal Voltage: 3.6VDischarge Voltage: 2.5VStandard Charging Current: 1.25ACharging Voltage: 4.20VMax. Continuous Discharging Current: 20A