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Warning: This Product contains Nicotine. Nicotine is an Addictive Chemical.

Efest Slim K1 Intelligent Charger

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  • Model : EFE101041
  • Manufactured by : Efest

The Efest Slim K1 is a high quality simple and cost-efficient intelligent charger.  It is a single slot charger with Micro USB input and charges at 1AThis charger is compatible with most types of cylindrical lithium batteries ranging in size from 10440 to 18650.


Fast charging at 1A
Fits 3.6 or 3.7-volt batteries
Reverse polarity protectionNitecore
Activation function
Auto-detect charging function
Overcharging protection
Short circuit protection
Spring action makes a smooth sliding action when installing or removing batteries
Steel cathode with low resistance and hard chromium plating to achieve a more precise charging voltage
Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650.

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