Efest Slim K1 Charger Swagg Sauce

WARNING:This product non tobacco derived nicotine.

Nicotine is an addictive chemical.

Attn: Online ordering WILL BE available in arizona Only for now| We are actively working on a solution to ship to other states .


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Efest Slim K1 Charger


Efest Slim K1 Charger

Named the "Slim" for a reason, the Efest Slim USB K1 charger implements a revolutionary versatile design that can be taken on the go. Capable of allowing many different sizes of batteries, this single bay charger gives users the flexibility and doesn't restrict users to only a single series type of cell. Equipped with Efest's superior charging capabilities in combination with state of the art protective features, the K1 is the perfect charger to take on the go thanks to it's compact size and trustworthy performance as a cost efficient price tag.

NOTE: Do not carry or store batteries together with metallic, objects in your pockets, purse, or anywhere else where they may become exposed metals.

IMPORTANT: Use caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has enough knowledge of Li-Ion rechargeable batteries in charging, discharging and assembly before use. Always charge in or on a fire-proof surface. Never leave charging batteries unattended. We will not be held responsible for damage if there is any modification of the batteries/chargers in any form. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers.


  • Compatible Battery Sizes: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
  • Portable & Compact Design
  • Spring Loaded Single Battery Bay
  • Battery Life LED Indicator
  • AC Input Power: AC 100 ~ 240V 50/60Hz
  • DC Output Power: DC 5V 1A
  • DC Input Power: DC 5V 1A
  • Auto Cut-Off Voltage: 4.2V
  • CV Cut-Off Current: <100mA
  • Auto Recharge Voltage: 4.1V
  • Operation Temperature: 0°C ~ 40°C / 32°F ~ 104°F
  • Storage Temperature: -40°C ~ 70°C / 104°F ~ 158°F
  • Micro USB Port

Package Contents:  

  • 1 x Slim K1 Charger
  • 1 x Micro USB Cable
  • 1 x User Manual
  • 1 x Warranty Card