XTAR VC4SL Charger: 4-Bay USB-C Fast 3A Charger for 18650, 21700, AA, AAA & More | LCD, Capacity Test | Flashlights, Vaping, DIY

🔋 XTAR VC4SL 4-Bay USB-C Battery Charger – LCD Display, QC 3.0 Fast Charge, 18650/21700/26650/AA/AAA Compatible, Smart Storage & Capacity Testing

The XTAR VC4SL 4-slot battery charger is a must-have for every Kenyan who owns rechargeable batteries. Whether you’re a flashlight enthusiast, a vape user, wireless microphone chargers, this charger does it all — faster, safer, and more intelligently than basic chargers.

Unlike regular chargers that just pump in power blindly, the XTAR VC4SL adjusts current, monitors battery health, tests real capacity, and can even revive dead batteries. It’s one of the few chargers in Kenya that fully supports protected 21700 & 26650 batteries, which most cheap chargers can’t even fit!

You can charge Lithium-ion and Ni-MH batteries simultaneously — including 18650, 21700, 26650, AA, AAA, and more. All displayed live on a smart LCD screen with voltage, current, capacity, and resistance.

✅ Why the XTAR VC4SL Is Better Than Regular Chargers

This is a premium-level smart charger for people who want to extend their battery life, ensure performance, and avoid damage caused by overcharging.

🔋 Battery Types and Sizes Supported

🧪 3.6V / 3.7V Li-ion Batteries (IMR / INR / ICR / Protected & Unprotected)

Commonly used in flashlights, power tools, vaping mods, headlamps, and backup power packs.

• Small size cells:
  10440, 14500, 14650, 16340 (CR123A), 17335, 17500
• Medium size cells:
  17670, 18350, 18490, 18500, 18650, 18700
• Large size / High-capacity cells:
  20700, 21700 (protected/unprotected), 22650, 25500, 26650, 32650

🔁 1.2V Ni-MH / Ni-CD Rechargeable Batteries

Popular in household items like remotes, toys, cordless phones, and some LED devices.

• AAAA, AAA, AA, A, SC, C, D

This means one charger can serve your flashlight, vape, digital camera, wireless microphone batts, RC toys, TV remote, solar lights, bicycle lights, and more.

📦 Key Features

• ✅ 4-Bay Independent Charging – Charge 4 different batteries at once
• ⚡ USB-C QC3.0 Input – Max 3A fast charging for single cell
• 📊 Smart LCD Display – See voltage, resistance, real capacity in mAh
• 🔁 Capacity Test Mode – Check how much power your battery actually holds
• 🔋 Storage Mode – Brings batteries to ideal storage voltage (3.6–3.7V)
• 🔄 Battery Revival – Reactivates over-discharged Li-ion cells (0V)
• 🔐 Multiple Protection – Overcharge, short circuit, overheat, reverse polarity
• 🔌 Adjustable Current – Set from 0.25A to 3A based on battery type
• 🌓 Auto Dim/Display Off – Power-friendly screen that turns off when not needed

📐 Specifications Table

🎯 Best Use Cases in Kenya

• Flashlight Users – Recharge 18650/21700 cells for security patrols or outdoor work.
• Vape Users – A must for protected and flat-top 21700 vape mods.
• Solar Light Owners – Recharge your AA/AAA cells for garden or gate lights.
• Electricians & DIYers – Essential for testing real battery health.
• Schools/Offices – Centralized charging station for remotes, torches, cameras.
• Technicians – Use it to revive “dead” Li-ion batteries for resale or reuse.

❓ Frequently Asked Questions (FAQs)

Q1: Can it charge protected 21700 batteries?
✅ Yes. Many chargers cannot fit these, but XTAR VC4SL can.

Q2: Can it charge both AA and 18650 batteries at once?
✅ Yes. Each slot operates independently and supports mixed types.

Q3: What adapter do I need?
✅ A QC3.0 USB power adapter is recommended to access the full charging speed.

Q4: Can it show how much power is in my battery?
✅ Yes, via the Capacity Test mode (in mAh).

Q5: Is it safe to leave batteries charging overnight?
✅ Yes, it has auto-stop and safety protections — but for best practice, remove when full.

Q6: Will it revive my “dead” flashlight batteries?
✅ Yes, it has 0V battery revival for over-discharged Li-ion batteries.

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