The Uniross 18650 3.6/V3.7V Li-Ion Rechargeable Battery 2500mAh Raised Button Top is individually blister packed. This battery is lightweight and has a very low self-discharge of less than 7% per month. Perfect for use in devices such as cameras, torches and electronic cigarettes. This battery can be recharged fully in approximately 5 hours Raised button top battery No memory effect Long service life Very smooth and flat discharge curve