Charge your 18650 batteries to their maximum potential with an ESYB S6 6-Bay Battery Charger! ESYB has delivered a most efficient 18650 charger that gives the vaper the option to charge up to six batteries at the same time. Load 4 18650 batteries in the center of the charger and receive 0.5 amps of charge that is ideal for battery marriage and voltage consistency in your charge cycle. On either side of the charger, two 1 amp charge slots will provide lightening fast charge speed to throw into action immediately. This 18650 charger provides Reversed polarity, short-circuit, over-current and over-charge protection to ensure the safest charge possible. With ESYB's S6 charger you can be sure that safety is of the utmost concern with an automatic shut off function once your batteries have reached 4.2 volts of charge. Be sure to buy your own ESYB S6 6-Bay High Drain Battery Charger today!