this auction is for :
UltraFire BRC 18650 3000mAh 3.7V Rechargeable li-ion Battery (2 pcs) protection cover battery
and
UltraFire WF-139 18650 Dual Battery charger

Compatible With 14500, 17500, 17670, 18500, 18650 type Batteries


About the 18650 rechargeable battery
If the battery voltage drops below 3V, your battery will fail (discharged).Nomal voltage is between 3.7-4.2V. To keep
your battery can extend the life,charging your new batteries before you use,Every three months to re-charge the battery
once if you not use. Charging time will be take 8-10 hours or more(winter longer).
Note: Never exhausted all of the batterys power!

Caution:
-These are not a replacement for AA batteries, they are larger and a different voltage
-Charge 18650 Lithium Iron Batteries ONLY, (Not NICAD or NIMH)
-When Use the battery charger do not mix the positive and negative direction