Battery charger for Li-ion 1.5V / 3.6 / 3.7V / Li-FePO4 / Ni-MH XTAR VX4 - set with power supply

The most versatile charger – one charger for all battery chargers!

• One charger, the widest compatibility
  
• compatible with 1.5V and 3.6/3.7V lithium-ion batteries, 3.2V LiFePO4 and 1.2V Ni-MH batteries
  
• intelligent battery recognition, no risk of improper charging
  
• actual capacity measurement (from discharge) also for 1.5V batteries
• two charging modes: standard and LifePO4
  
• quick stop when fully charged, guarantee battery life and performance
  
• a number of security features
• 20W PD power supply included

The highest compatibility in Xtara chargers so far! Supports batteries:

3.6/3.7 Li-ion /IMR/INR/ICR and 3.2V Li-FePO4 in sizes:

• 10440 / 14500 / 14650 / 16340 / 17335 / 17500 / 17670 / 18350 / 18490 / 18500 / 18650 / 18700 / 20700 / 21700 / 22650 / 25500 / 26650 / 32650

1.5V Li-ion in sizes:

• AAA/AA

1.2V Ni-MH in sizes:

• AAA/AA/SC/C/D

The VX4 is an advanced smart charger and recognizes the type of battery it has in it (except for Li-FePO4).

In addition, it has 4 independent channels, so you can freely mix the types and sizes of batteries, here also with a small exception - the charger is not able to charge ordinary Li-ion and Li-FePO4 batteries at the same time.

We can also mix the following types as much as possible:

1.5V Li-ion + 3.6/3.7V Li-ion + 1.2V Ni-Mh

or

1.5V Li-ion + 3.2 Li-FePO4 + 1.2V Ni-Mh

The first charger that is able to measure the actual capacity of 1.5V lithium-ion batteries in AA and AAA sizes!

In addition to the normal charging function, the charger also has a rechargeable battery test function.

ATTENTION! Capacity measurement does not work in Xtara R6 / AA batteries with a capacity of 2700mAh and 3000mAh

This involves charging the battery fully, then discharging it (measuring the actual capacity) and after the discharge process is complete, the charger recharges the batteries to full. Thanks to this, we are able to know the true total capacity of the battery. Type mixing is just as dependent as for the loading function. Physically, we can only discharge:

1.5V Li-ion + 3.6/3.7V Li-ion + 1.2V Ni-Mh

or

1.5V Li-ion + 3.2 Li-FePO4 + 1.2V Ni-Mh

The Xtar VX4 charger gives the user the option of manual charging current for selected quantities and types of batteries.
In the case of 1.5V and 1.2V Ni-MH Li-ion batteries, the charger always charges with 0.5A, while in the case of 3.6/3.7V and 3.2V Li-FePO4 batteries, the user can choose from a wide range of charging currents:

1x 3A / 2x 2A / 4x 1A / 4x 0.5A / 4x 0.25A - ideal current for low capacity batteries

To take full advantage of the charger's current capabilities, you should use a charger compliant with PD 20W.
The VX4 will also work with weaker power supplies, although it will then limit the possibility of charging with higher currents.

The Xtar VX4 charger informs the user on an ongoing basis about the basic parameters of the batteries placed in it.
Thanks to this, we can see the charging current on an ongoing basis, the amount of charge used to charge the battery and the voltage on the battery.

The exception is the 1.5V Li-ion batteries - here we only see the actual charging current during the charging process.

We already know that the VX4 charger allows you to manually adjust the charging current, but we must also mention that it can also optimally select this current on its own.
The advanced processor will select the appropriate charging current based on the number of batteries placed, their internal resistance and the connected power source.

The Xtar VC4 charger has the function of reactivating deeply discharged cells and cells with a voltage of 0V. Many chargers on the market are not able to charge such batteries. This is where the Xtar VC4 charger comes to the rescue, which in many cases allows for the 'rescue' of such cells. Simply insert the deeply discharged battery into the VC4 charger as you would with normal charging - the charger will detect the discharged cell and attempt to reactivate it.

Attention! Cells discharged below a certain level are irreparably damaged and may not be able to reactivate them. Avoid discharging Li-ion and Ni-MH batteries too deeply – this can lead to a significant reduction in their durability and capacity, or lead to their complete inoperability.

What is the TC/CC/CV charging method? It is a three-stage process of charging Li-ion cells to ensure that the cell is kept in good condition by charging with the right current at each stage and completing the charging process at the right time.
The individual steps of the TC/CC/CV process are:

• TC phase: cells discharged below 2.9V are 'woken up' with a lower current.
• CC phase: when the cell reaches 2.9V, the cell is charged with a constant current of 0.1A to 3A (depending on the power source used and the number of batteries to be charged).
• CV phase: when the cell is almost charged, the charger switches to decreasing current charging until the voltage of 4.2V is reached across the cell. When 4.2V is reached, the charging process is complete - the battery is fully charged.

The Xtar VX4 charger is equipped with a number of safeguards, so you can have peace of mind and be sure that each battery will be fully and correctly charged. It has, among others, such security features as:

• Short circuit
• against overcharging
• overcurrent
• against reverse polarity
• voltage
• Temporal
• Soft start
• Intelligent detection