UltraFire 18650 battery Features:
Model - 18650 Rechargeable time - 600-800 times
The voltage of full charge & empty condition is 4.2v & 2.75v respectively
Can be recharged over 500 times
Protection kicks in : 2.75v and 4.2v Over-Charging / Draining at 4.2v / 2.75v
Maximum Charge / drain rate : 1.5C
Xenon bulbs are not suitable
UltraFire 17670 battery Features:
This auction included 1x 17670 3.6v 1800mAh Rechargeable Li-ion batteries
Capacity : 1800 mah Voltage : 3.6V
UltraFire 17670 Protected battery Features:
UltraFire 18500 battery Features:
Size(mm) 51.7(Length)x18.2(Diameter)
NetWeight(g) 33.1g each
Voltage 3.7V
UltraFire 17500 battery Features:
UltraFire 18350 battery Features:
This auction included 1x 18350 3.7v 1200mAh Rechargeable Li-ion batteries
Capacity: 880mAh Voltage: 3.6V
No memory effect Li-ion
Voltage of full charge & empty condition is 4.2v & 2.75v respectively