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Amazon.com: 18650 Battery Charger 4 Bay Smart Universal Charger for Flashlight Headlamp Battery 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 10400 Battery Charger (Only AC Charger) : Electronics
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3.7V 18650 Charger Li-ion Battery USB Independent Charging Portable 18350 16340 14500 Battery Charger Two slots - Walmart.com
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