Amazon.com: PKCELL ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Button Top 6PC(They are not 1865mm Batteries Also Not AA Size Battery) : Health & Household
18650 3.7 V 3800 mAh Rechargeable Lithium-Ion Battery Pack Long Life 1200 Cycles Lithium Battery Button Top Rechargeable Batteries for LED Flashlight (2 Pieces) : Amazon.com.be: Electronics
2 x TF18650 3400mah Batteries (fast delivery from GERMANY and USA could receive within 5 days)