EFEST K2 SLIM INTELLIGENT BATTERY CHARGER

The K2 Slim by Efest provides dual battery cell charging for various battery sizes.


Lightweight, practical, fashionable and convenient.

Compatibility

Compatible with Lithium IMR 3.6V/3.7V Batteries:
10440 | 14500 | 16340 | 17340
18650 | 18490 | 18500 | 18650
26500 | 26650 | 20700 | 21700


Compatible with many sizes of lithium IMR batteries.

Description

The Efest Slim K2 is charged with a USB cable and is built with a high-quality fire retardant material. The lightweight, portable design is convenient, stylish, and eye-catching.


USB charged. Fire-retardant material, lightweight and portable.

Features

Fast charging mode: 1.0A (4.2V -- 2 cells * 1.0A) | Activation function
Reverse polarity protection | Auto-detect charging function
Over-charging protection | Short circuit protection


Multiple protections and fast charging 1.0A

Craftsmanship

The long-lasting spring is made of piano wire, which provides a smooth gliding action when installing and removing batteries. Steel cathode with low resistance and hard chromium plating processing to achieve a more accurate charging voltage.


Piano wire spring and more accurate charging voltage.

Certifications

Global insurance technical support FCC, CE, RoHS certification.


Global insurance and technical support.

Package

Outside packaging

Please see our comprehensive guide to battery safety.
 

Customer Reviews