High Quality Full Amps UltraFire 3.7V 1300MAH 18650 Rechargeable Lithium Battery

A rechargeable 18650 lithium-ion cell, the format used in laptop packs, torches and portable projects. It provides 3.7 volts nominal, rising to 4.2 volts fully charged and falling to around 3.0 at empty. Two important points: it needs a proper lithium charger, never a plain DC supply, and cells without built-in protection can be damaged or become hazardous if over-discharged or short circuited. Ask us about protected cells and charging modules if this is your first lithium project. Rechargeable, replacing hundreds of disposable cells; High energy density for its size; Standard 18650 format fits common holders and torches; Suits portable and battery-powered projects