Amazon.com: WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, 2a Fast 18650 Charger, Suitable for 3.7v Lithium Battery and 1.2v Ni-Mh/Ni-Cd AA AAA Battery : Everything Else
How to calculate the real charge and run time of a 18650 battery? - Project Guidance - Arduino Forum
18650 Battery Charger Intelligent Charger Save Time Independent Battery Charger | eBay
Streamlight - Battery Chargers; Battery Size Compatibility: 3.7V; Battery Chemistry Compatibility: Lithium-Ion; Charging Time (Hours): 3.50; Charging Time (Minutes): 210; Maximum Number of Batteries: 2; Voltage: 3.70; Includes: 120V AC Adapter; USB
Streamlight 18650 USB Rechargeable Lithium-Ion Battery 22101 B&H
How to Prolong the Life of an 18650 Battery : 7 Steps - Instructables