This is an original 2600mAh 18650 battery from Hongli. The cell can be   charged and discharged up to 1000 cycles without much loss in battery capacity. They are safe to use, environment friendly and have long battery life. It comes with high energy density and provides excellent continuous power sources to your device. It should be used with a protection circuit board that guards the battery against over-charge, over-discharge of the pack, and avoid over-current drawn.    
Applications

• Cordless Phones
• Small DRONES
• Tablet PC GPS
• iPod, DVD, MP4 Player, etc.
• Mobiles backup power supply/Power bank
  Package Contents

• 1 ×18650 Li-Ion Rechargeable Battery