Amazon.com: 18650 battery high capacity
2000 Lumen LED Tactical Flashlight and 6 Pack 3.7V Rechargeable High-Capacity 18650 Battery with Batteries Charger,Adjustable Focus and 5 Light Modes Handheld Flashlight for Camping Hiking Running. 4.3 out of 5 stars. 559. $19.91.
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