XTAR D2 2 Bay Quick Battery Charger. Simple and Fast, Designed for the vaping community.

• 2 Bay Quick Charger
  
• Two Charging Speeds - 1A x 2, 2A x 1
  
• Elaborate Heat Dissipation Design
  
• Compatible with 18650, 20700, 21700, 26650 and more
  
• 0V Activation Function Revives Over-discharged batteries
• Dual independent battery slots
  
• Automatically stop charging when complete and restart charging function, so you can keep the batteries inside the charger overnight
  
• Reverse polarity and charger short circuit protection
  
• ABS durable fireproof shell with perfect heat dissipation and high temperature resistance
  
• 0V activation function can rescue your over-discharged batteries. (This feature for advanced users only, charging over-discharged batteries is generally a safety concern)
  
• Three stages of charging (TC-CC-CV) to maximize your batteries’ lifespan
  
• Features reverse polarity protection if you accidentally insert a battery the wrong way
• Input – 100-240V ~50/60Hz 0.4A
  
• Output Current – 1A x 2, 2A x 1
  
• Cutoff Voltage for Li-ion Battery – 4.2V ±.05V 
• Dimensions: 130mm x 58mm x 33mm
  
• Weight: 103g

• Compatible with:
  
• 3.6V/3.7V Lithium ion Batteries
  
• Most Cylindrical Lithium-ion Batteries Ranging In Size From 10440 To 26650