Efest Bio V2 Dual-Bay Charger

This charger has selectable voltage output and compared to the Trust Fire dual bay it is a significant upgrade. BIO V2 easily charges 18650 and 26650 batteries Input : 12V 2A Use the button to select output (charge speed, higher mA= quicker charge): 4.2V - 2000mA, 1000mA, or 500mA USB output: 5V 1A and 5V 0.5A Compatible battery sizes: 10440, 16340, 14500, 14650, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 22650, 26500 and 26650 lithium batteries (no spacers needed) CC/CV charging System. Reverse-polarity protection. You can easily charge your own USB connected device via the USB port on the charger. Simply unplug your charger and place a fully charged battery into the charger with your USB device connected.

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