18650 Li-ION batteries.
A list of popular 18650 OEM batteries that are available for sale. You can purchase the battery individually or in a pack of four. Please note that actual prices may vary from time to time.[table id=32 /]
* Continuous discharge current / Maximum discharge current
26650 Li-ION batteries.
18350 Li-ION batteries.
Samsung SDI : http://www.samsungsdi.com/lithium-ion-battery/overview
Panasonic Industrial: http://industrial.panasonic.com/ww/products/batteries/secondary-batteries/lithium-ion