UltraFire 2200mAh 3.7V 18650 Rechargeable Li-ion Battery Without Prote
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
PKCELL Flat Top 18650 3.7V 3350mAh Rechargeable Li-Ion Battery