XTAR intelligent charger VC4S max 3A 18650 20700 21700 26650 li-ion battery charger

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XTAR intelligent charger VC4S max 3A 18650 20700 21700 26650 li-ion battery charger


  • Innovative Tachometer-style display
  • Support QC3.0, single max. 3A : 3A *1 bay, 2A*2 bays, 1A*4 bays
  • Battery Inner resistance tester : figure out the battery is poor or good performance
  • Adapt to any 5V USB power
  • Easy to read battery voltage display
  • Charging capacity display shows charging capacity of your batteries
  • Compatible with all 5V USB power
  • Charge Li-ion and Ni-MH batteries at the same time
  • Recharge a "damaged" (Low Voltage) battery
  • Certifications CE, RoHS, CCC, FCC

Experience the high tech

  • Creative LCD screen displays charging current, battery voltage, charging capacity. Moreover, it intelligently recognizes/ displays/ charges Ni-MH and Li-ion batteries at the same time
  • Intelligently identify input power and automatically adjust suitable charging method and charging current from 0.1A to 1.0A and max up to 0.5A*4 / 1.0A*2
  • Three stages of charging (TC-CC-CV) can prolong your batteries’ life
  • Soft start can avoid sudden high current to prolong battery lifespan
  • Foreknow the battery life - After discharge your batteries to the cut off voltage and recharge in VC4, if "0000mAh"shows 70% of the nominal capacity which means that your battery life is almost to an end.

Worry-free charging

  • Automatically stop charging when complete and restart charging when battery voltage below 3.9V, so you can keep the batteries inside the charger overnight
  • 5V DC voltage, within the safety voltage ensures your safety
  • Display “null” if the bad battery can't be activated, and Display “Err” when polarity-reverse or charger short circuit happens
  • Reverse - polarity and charger short circuit protection
  • ABS durable fireproof shell with perfect heat dissipation and high temperature resistance
  • Without temperature rising or overheating

Money Saving

  • Apply to 10440/ 14500/ 14650/ 16340/ 17500/ 17670/ 18350/ 18490/ 18500/ 18650/ 18700/ 22650/ 25500/ 26650/ 32650 3.6V/3.7V Li-ion/ IMR/ INR/ ICR and rechargeable 1.2V AAAA/ AAA/ AA/ A/ SC/ C/ D Ni-MH/ Ni-CD batteries, no need to buy many chargers for different sizes and different types of batteries
  • Four independent slots, one VC4S equal to four separate chargers
  • 0V activation function can rescue your over-discharged batteries. Normally you need to throw away those over-discharged batteries, but with XTAR charger you can rescue them and reuse them.
  • Compatible with any USB power including USB wall adaptors, cell phone chargers, solar panel, PC USB etc.
  • The backlight will be energy saving mode if without any operation (inserting battery or pressing button) within 2min. And it will be off when pressing the button for 1.5s and be on when pressing it again. 

Time Saving

  • Independent four channels can charge four batteries at the same time
  • Know how full your batteries are – Each interval of battery voltage is about 10% of the battery capacity and you can clearly know when your batteries can be fully charged
  • Smartly distinguish and display “null” if the bad battery can't be activated – Just spend 10 min to know the status of your batteries
  • Smartly notify you – the screen will alternately show "FULL" and charging capacity and LED indicator will change from red to green when your batteries are full.

Tech Specs

Lithium batteries charging parameter:

Input DC3.0 USB
0.5A CC Current 500±50m A
1.0A CC Current 1000±80m A
Cut-off Voltage 4.20±0.05V
Operating Temperature 0-40°

Dimensions & weight 
Product size 149mm x 115mm x 35mm (5.87" x 4.53" x 1.38") 
Product weight 210g (0.46lb) 

Operating Temperature 
0c to 40c 
32 to 104 Fahrenheit

One-year limited warranty 

What's in the box 
1 VC4S Charger
1 Charging cable
1 Manual
1 Portable bag