flashlight batterytorch battery 18650 battery pack Rechargeable battery pack excellent quality resonable price profession lithium battery solution according to your requirementslithium-ion 3.7V 18650 main features: 1. high energy density 2. long shelf-life and low self-discharge rate 3. excellent cycle life 4. enviromental-friendly 5. OEM and ODM are available upon request lithium-ion 3.7V 18650 Application: LED flashlight battery, cordless phone batteries, camera batteries, laptop/notebook batteries, GPS devices, PDA batteries, telecommunication systems, power electric vehicles etc. We could provide the li-ion battery 18650 with the capacity of 1800mAh to 2600mAh. Such as 1800mAh, 2000mAh, 2200mAh, 2400mAh, 2600mAh etc. Besides, we could assemble the batteries packs according to the customer’s requirements. Such as 2S1P, 3S2P.