LEDLenser 21700 Lithium Ion Rechargeable Battery | 880603
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
LED Lenser 21700 - Li-ion Rechargeable Battery 4800mAh | TEquipment