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Efest Slim K2 Charger

by Efest


Dual Battery Charger

The Efest Slim K2 Charger is capable of charging single batteries with a spring-loaded bay. As all Efest devices, the K2 includes a smart LED display, showing the user when batteries are charging and when they are fully charged with a cut off circuit to stop charging when full. The K2 also features reverse polarity support, short circuit protection and overcharge protection.

It supports:

  • 18650 Batteries
  • 20700 Batteries
  • 21700 Batteries
  • 26650 Batteries