Efest Mega USB Charger

Efest Mega USB Charger

Efest Mega UUSB Charger is a Dual bay compact battery charger for 18650 and 21700 batteries amongst others. It functions through a USB Connection and when combined with a 5V or 2amp power source will charge 18650s and 21700s at a 1 amp fast charge, while automatically switching to 0.5 amp charge when smaller batteries are recognised.