Efest K4 Slim USB-C Charger 4 Battery
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The Slim K4 will automatically charge your battery cells a few seconds after they are installed. The indicator shows blue when in standby mode or the batteries are fully charged. The indicator will show white when the battery cells are charging.
Safe charging mode: CC & CV | Safe and convenient USB charger (5V 2A)
Monitors and charges each slot independently | Low voltage smart activation recovery function
Super lightweight and portable
Delivery and Shipping
Delivery and Shipping
We operate a SAME-DAY DISPATCH service on all orders. Orders placed before 4pm (Monday-Friday) are despatched from our warehouse the same day by First Class post, subject to stock availability and any security checks. If the order is placed on a public holiday, the order will be dispatched the next working day.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Same Day Dispatch | Order before 4pm