Amazon.com: XTAR 18650 Battery Charger XTAR VC4 Universal Battery Charger LCD Display 4 Bay Charger for 10400 14500 16340 18350 18650 Unprotected 20700 21700 AA AAA C D Batteries : Electronics
Amazon.com: ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Flat Top 6PC(They are not 1865mm Batteries Also Not AA Size Battery) : Health & Household
Amazon.com: 18650 battery
Amazon.com: 18650 batteries
LG INR18650 F1L 3.63V 3350mAh Rechargeable Flat Top Battery, 4.875A Max continuous discharge, W/O PCB - Tenergy Power