EFEST SLIM K4 USB-C BATTERY CHARGER SPECIFICATIONS:

• Four-bay charger can charge up to four batteries simultaneously
• Compatible with many battery sizes, including 18650, 20700, 21700 & 26650
• Charging speed: 4 x 0.5A, 3 x 0.5A, 2 x 1A, 1 x 1A
• Automatically stops charging
• Reverse polarity protection
• Input: Tyep-C USB DC 5V 2A
• Output: DC 4.20V±0.05V 0.5A*4/0.5A*3/1A*2/1A*1

PACKAGE INCLUDES:

• Efest Slim K4 USB-C Battery Charger
  
• Type-C USB cable
  
• Warranty card
  
• User manual