The updated Xtar X2 now fits protected 20700/21700 batteries.

The XTAR X2 is an dual bay smart quick charger designed for all types of Li-ion and Ni-MH batteries. With a max charge rate of 1A for 2 batteries or 2A for a single battery, the X2 is simple to use and fast while maintaining low and cool temperatures.

Features

• Dual independent battery slots
• LCD screen with charge rate, voltage, charge capacity
• 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
• Autoatically detect between Li-ion and Ni-MH batteries
• Estimated charged capacity readout

Specifications:
Input Power: 100-240V ~50/60Hz 0.4A or 5V 2.1A
Cut-off voltage: 4.2V +/- 0.05V and 1.45 +/- 0.1V
Charge current: 2A x 1 / 1A x 2 / 0.5A x 2

Dimensions: 135mm x 75mm x 38mm
Weight: 125g (without batteries and power cord)
Compatible with:
Li-ion: 14500/14650/16340/16650/17335/17500/17670/18350/18490/18500/18650/18700/20700/21700/22650/25500/26650
Ni-MH/Ni-CD: AAAA/AAA/AA/A/SC/C

What's Included:
X2, Wall Plug, Manual