XTAR VX2 PRO KT 2-Slot Li-ion Battery Charger with USB-C QC3.0 & Power Bank

Running out of power on your 18650 or 21700 batteries at the worst possible moment is a common frustration for vapers, flashlight enthusiasts, and gadget lovers. The XTAR VX2 PRO KT solves this by combining a fast, intelligent two-slot charger with a portable power bank function, so you can charge your batteries and your devices from a single compact unit.

Who is it for

This charger is ideal for anyone who relies on rechargeable Li-ion batteries in sizes from 10440 up to 26650. Whether you need to keep spare cells ready for your vape mod, power your high-drain flashlight, or simply want a reliable backup charger for your USB devices, the VX2 PRO KT delivers speed, safety, and versatility.

Main features

• Dual independent charging slots with up to 3A per slot using QC3.0 input – charge two batteries simultaneously at high speed.
• USB-C input supports 5V/3A and 9V/2A, compatible with Quick Charge 3.0 adapters for maximum performance.
• Built-in USB-A output turns the charger into a power bank: output up to 5V/2A, 9V/2A, or 12V/1.5A (QC3.0) to charge phones, tablets, and more.
• Clear LCD screen displays real-time charging status, voltage, current, and battery health for each slot.
• Advanced TC/CC/CV charging algorithm with soft start and 0V activation to revive over-discharged batteries safely.
• Comprehensive safety protections: over-charge, over-discharge, short-circuit, reverse polarity, and over-heat.
• Flame-retardant ABS housing ensures durability and safety during everyday use.

Specifications

• Number of Charging Slots: 2
• Compatible Battery Chemistry: 3.6V/3.7V Li-ion / IMR / INR / ICR
• Compatible Battery Sizes: 10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650
• Input Port: USB-C
• Input Voltage/Current: 5V 3A / 9V 2A (QC3.0)
• Max Charging Current (Single Slot): 3A (with QC3.0 input)
• Max Charging Current (Dual Slot): 2A per slot (with QC3.0 input)
• Power Bank Output Port: USB-A
• Power Bank Output (Max): 5V 2A / 9V 2A / 12V 1.5A (QC3.0)
• Display Type: LCD Screen
• Charging Algorithm: TC/CC/CV (Trickle Current, Constant Current, Constant Voltage)
• 0V Activation Function: Yes
• Safety Protections: Over-charge, Over-discharge, Short-circuit, Reverse Polarity, Over-heat
• Housing Material: Flame-retardant ABS
• Operating Temperature: 0-40°C
• Battery Health Detection: Yes (Real-time)
• Soft Start Function: Yes
• QC3.0 Support: Yes (Input & Output)

Tips

For fastest charging, use a QC3.0 USB-C adapter and charge only one battery at a time. The power bank function works best with a fully charged battery inserted. Always check battery polarity before inserting to avoid damage.