Deruicent 4 Pack 3.7V 18650 Rechargeable Li-ion Battery with Charger for High-power LED Flashlights, Headlamps Please notice that these batteries are NOT FLAT-TOP type. Reliable 18650 Battery:Integrated with IC Protective Board, avoiding overcharge and discharge, protecting your flashlights, headlamps or laser pointers. Powerful 18650 Battery:Bigger power capacity of 4200 mAh (real capacity), longer run time than all of cheap batteries labeled 2250mAh or 3000mAh. Please put the battery in CORRECT DIRECTION before charging. Wrong direction may damage […]

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