Specifications:

• Input: 12V 550mA
  
• Output: Output: 4.5V; 250mA x 4
  
• Applicable Battery Type: RCR123A Rechargeable Li-ion Battery.
  
• Brand: Tenergy

Features:

• Universal voltage for 100-240V AC input
  
• Four independent charging channels for individual charging and detection.
  
• Constant current and voltage charging mode
  
• Reverse polarity protection
  
• Automatically terminates charging
  
• LED Display - Red - Charging, Green - Fully Charged, Red Flash - Short-Circuit or Polarity Reverse
  
• CE Approved