The Efest Slim K2 Charger is a reliable and compact dual-bay charger, designed for those who need a fast, efficient, and easy-to-use charging solution for their batteries. Perfect for home or on-the-go use, the Slim K2 maintains Efest’s reputation for safety and performance while being highly portable.

With the Efest Slim K2, you can simultaneously charge two batteries at up to 1A per bay, ensuring quick and convenient charging without sacrificing battery lifespan. Each slot operates independently, allowing you to charge different types of batteries with ease.

Designed with a micro USB charging port, the Slim K2 offers flexible power options compatible with any USB wall adapter, laptop, or power bank. LED indicators show the current charging status, so you always know when your batteries are ready to go.

Features:

• Charges two batteries simultaneously and independently.
• Automatically allocates the appropriate charging current of 0.5A or 1.0A to extend battery life.
• Clear LED indicators show the real-time charging status of each battery.
• Built-in safeguards, including overcharge, over-current, and reverse polarity protection.
• Compatible with 3.6V/3.7V lithium-ion battery sizes, including 10440, 14500, 16340, 18350, 18500, 18650, 20700, and 21700.
• Compact and lightweight design, ideal for travel.

Important: Always use the charger with a USB adapter that outputs 5V 2A or below for safe operation.

Included:

• 1 x Efest Slim K2 - 2 Bay Charger