Efest K4 Slim USB-C Battery Charger
The Efest K4 Slim charger is a versatile and portable charging solution, compatible with a wide range of battery cells, making it an ideal choice for on-the-go use. Its design is not only lightweight and compact, enhancing its portability, but also stylish and eye-catching, adding an aesthetic appeal.
This charger offers a fast charging mode where auto-detection charging rates are produced at: 1 x 1.0A / 2 x 1.0A / 3 x 0.5A / 4 x 0.5A, ensuring efficient battery charging. Safety features are a key aspect of the Efest K4 Slim, including reverse polarity protection to prevent damage from incorrectly inserted batteries, an activation function for dormant batteries, and an auto-detect charging function that adjusts to each battery's needs.
Additional safety measures include over-charging protection and short-circuit protection, ensuring safe and reliable charging. The charger is designed with a piano wire spring, which allows for a smooth sliding action when inserting or removing batteries. The low resistance and hard chromium-plated steel cathode in the charger contribute to a more precise charging voltage, enhancing the overall charging efficiency.
The Efest K4 Slim charger is globally recognized and supported, evidenced by its compliance with international standards and certifications like FCC, CE, and RoHS. This not only underscores its quality and safety but also its adherence to global technical standards.
Compatible with Lithium IMR 3.6V/3.7V Batteries:
10440 | 14500 | 16340 | 17340
18650 | 18490 | 18500 | 18650
26500 | 26650 | 20700 | 21700