XTAR VX4 SET – Intelligent Charger for Ni-MH and Li-Ion Batteries with LCD Display and USB Power
XTAR VX4 SET is a modern intelligent charger with four independent slots, designed for safe, efficient, and versatile charging of various types of rechargeable batteries. The device combines advanced electronics, microprocessor control, and a rich set of features, making it suitable for home use as well as for professionals, hobby enthusiasts, and anyone who uses rechargeable batteries in everyday life.
Technical Specifications
Compatible Battery Types and Sizes
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Li-Ion batteries: 1.5 V, 3.6 V / 3.7 V (protected with PCM/PCB)
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LiFePO4 batteries: 3.2 V
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Ni-MH / Ni-Cd batteries: 1.2 V
Supports multiple formats and sizes such as 10440, AA, AAA, 14500, 18650, 21700, 26650, etc. (≤ 32 mm diameter, ≤ 83 mm length)
Physical Dimensions and Weight
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Dimensions: 172 × 130 × 41.5 mm
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Weight: 315 g (without additional accessories)
Power Supply and Charging Current
Input voltage:
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PD 2.0 (12 V / 1.67 A)
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QC 3.0 (9 V / 2 A)
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Standard USB power supply 5 V / 2 A
Maximum charging current:
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3 A × 1
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2 A × 2
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1 A × 4
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0.5 A × 4
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0.25 A × 4
Charging Algorithms
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Li-Ion cells: TC / CC / CV (three-stage microprocessor-controlled process)
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Ni-MH / Ni-Cd cells: CC / -ΔV / PVD method
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Automatic battery detection and selection of the optimal charging program
Display and Interface
The LCD display shows current parameters such as voltage, charging current, and charging progress, enabling easy real-time monitoring.
Safety and Protection Features
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Reverse polarity protection
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Short-circuit protection
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Overheating and overload protection
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Ability to reactivate deeply discharged 0 V batteries
Operating Environment
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Recommended operating temperature: 0 °C to 40 °C
Unique Advantages and Innovations
Intelligent Control
Using a microprocessor, the VX4 automatically detects the type of inserted battery and selects the optimal algorithm, significantly reducing the risk of damage or incomplete charging.
Reactivation of Deeply Discharged Cells
This function allows the recovery of batteries that many other chargers simply ignore or refuse to charge.
Independent Channels
Each of the four slots operates independently—you can charge different types and states of batteries simultaneously without waiting.
Clear Visualization
The LCD display presents key parameters, providing transparency and control over the charging process—essential for advanced users.
Who Is This Charger Ideal For?
XTAR VX4 SET is an excellent solution for:
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Owners of LED flashlights, electronic cigarettes, photographic equipment, and other devices that use rechargeable batteries.
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Users with a wide variety of batteries (AA, AAA, 18650, 21700, etc.).
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Technicians, installers, DIY enthusiasts, and professionals who require reliable and precise charging.
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Anyone who wants to extend the lifespan and ensure the safety of their batteries.
