The Nitecore F4 Battery Charger is right here for you! The Nitecore F4 is capable of charging four 18650 batteries simultaneously. Made from durable and fire-retardant PC materials, the Nitecore F4 Charger will be your best vaping pal for daily charge!
Input: DC 5V 2A
Output voltage: 4.2V±1% (Battery) / 5V±5% (USB)
Output current: 2*1A, 4*0.5A (Battery) / 2*2A (USB)
Compatible battery types: Li-ion/IMR 18650