XTAR VC2SL USB‑C 18650/21700 Battery Charger | 2‑Bay Smart LCD

XTAR VC2SL USB-C 2-Bay Smart Battery Charger

The XTAR VC2SL is a compact, dual-bay USB-C battery charger designed for safe, efficient charging of popular vape and high-drain rechargeable cells. It supports 3.6/3.7V Li-ion batteries (including 18650 and protected 21700) and also charges 1.2V Ni-MH rechargeable batteries.

Why choose the VC2SL?

• USB-C powered – charge from a USB wall plug, power bank, or any 5V USB power source.
• Charges protected 21700 cells – ideal for modern dual-battery devices and larger capacity setups.
• 2 independent bays – charge two batteries at once with independent monitoring.
• Smart LCD display – view real-time voltage, charging current, charged capacity (mAh) and internal resistance (IR).
• Selectable charge rates – fast charge a single cell or charge two cells together for balanced, controlled charging.
• USB output function – can be used as a portable USB power source when compatible Li-ion batteries are installed.

Compatible battery types

Li-ion (3.6V/3.7V): Suitable for common cylindrical Li-ion sizes used in vaping and other devices, including 18650, 20700, 21700 (protected) and 26650.

Ni-MH (1.2V): Suitable for rechargeable Ni-MH batteries such as AA and AAA (and other supported Ni-MH sizes).

Only use genuine, rechargeable batteries. Do not attempt to charge non-rechargeable cells.

Charging display and battery health info

The VC2SL display helps you understand your batteries by showing key charging data. Use the mode button to cycle through important screens such as: charged capacity (mAh), real-time charging current, and internal resistance (IR).

Safety features

• Fire-resistant casing
• Overcharge protection
• Reverse polarity protection
• Short circuit protection
• Temperature control

What’s in the box

• 1 × XTAR VC2SL Charger
• 1 × USB Charging Cable
• 1 × User Manual

Specifications

• Model: XTAR VC2SL
• Input: USB-C (5V USB power)
• Charging bays: 2
• Max charging current: up to 2A (single bay)
• Dimensions (mm): 136.5 × 67.6 × 33.5
• Weight: 115g

Safe-use reminders

• Do not leave batteries charging unattended or overnight.
• Remove batteries after charging and store them safely in a battery case.
• Use a quality USB power adapter suitable for 5V charging.