1-Pair Cheap Ultrafire TR 18650 3000mah 3.7V Rechargeable Li-ion Battery Without PCB
UltraFire 18650 li-ion rechargeable battery.
No memory effect.
Can be recharged over 500 times.
Low internal resistance.
Environment friendly: no toxic waste.
Widely applied in Telecommunications, Audio and Video Devices, Information Devices, Electric Bicycles and Miner Lamps.