Efest Bio V2 Intelligent Charger

The Efest Bio V2 Intelligent Charger is a dual bay li-ion charger with adjustable charging outputs (0.5A, 1.0A, 2.0A). With two USB outputs (5V: 0.5A, 1.0A), the Bio V2 can be used to charge many phones and other accessories. Please note that tablets which require 2.0A cannot by charged by this charger. Features: Intelligent Li-ion battery charger. Can charge the following battery sizes: 14500/14650/16340/17500/17650/18490/18500/18650/18700/22650/25500/26650 Charging modes: 0.5A, 1A, 2A CC/CV charging method. Dual USB output 5V (0.5A, 1.0A) Reverse polarity protection Input Voltage: AC 100-240V 50/60HZ or DC 12V Output Voltage: 4.2V+-0.05V Output current: 0.5A x 2, 1.0A x 2, 2.0A x 2 -Never leave batteries unattended while charging. -Always make sure batteries meet the specifications of the charger before use.