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I AM OVER 18! Always enjoy responsibily.Efest Slim K4 USB-C Battery Charger can be used to charge electronic cigarette (e-cigarette) external batteries of any size via a Type-C USB charging port. Read more
Efest Slim K4 USB-C Battery Charger can be used to charge electronic cigarette (e-cigarette) external batteries of any size via a Type-C USB charging port. You can charge up to four batteries for vapes in this charger and it keep you safe with its built-in intelligent protection chip that includes smart functions such as:
auto-detect charging
monitors and charges each slot independently
low voltage smart activation recovery
0V activation recovery.
It is compatible with Lithium IMR 3.6V/3.7V batteries: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700.
The Efest Slim K4 charger will even tell you what it's doing with its LED indicator colour light that will turn blue in standby mode/full charged and white when charging.
Please note: a 2A USB port is recommended.
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By clicking enter, I certify that I am over the age of 18 and will comply with the above statement.
I AM NOT OVER 18Or
I AM OVER 18! Always enjoy responsibily.