Nitecore Q4 Charger Specifications:

• Compatible with Li-ion batteries only
• Battery sizes: 26650 (will fit 2x at a time), 21700, 20700, 18650, 17670, 18490, 17500, 17335, 16340(RCR123), 14500, 10440
• Output Current:  1A × 4 / 2A x 2
• Input:  DC 12V, >=1A
• Output Voltage: 4.2V +/-1%

Nitecore Q4 Features:

• Overcharging, reverse polarity and short circuit prevention
• Automatically detects battery level and chooses appropriate charging voltage and charging mode
• Automatically stops charging upon completion
• Car adapter compatibility - Included.

Also available in Clear, Pink, or Yellow!

In the Box:

• Nitecore Q4 4-bay Digital Lithium Ion Battery Charger
• 1 AC Wall Adapter Charging Cable
• Warranty Card
• User Manual
• Nitecore Q4 Manual
• 1 Car Adapter