The XTAR VC2SL is an enhanced version of XTAR’s popular dual-slot charger, now featuring a USB-C input and longer bays to support protected 21700 cells. Compact yet powerful, this charger also functions as a USB 5 V/1 A power bank.
Key Features
USB‑C Input (5 V⎓2.1 A): Enables fast charging using modern USB-C adapters
Adjustable Charging Currents:
- 2 A for a single cell
- 1 A for two cells
- 0.5 A for two cells (e.g., Ni-MH or smaller Li-ion)
- Smart Charging Algorithm: Automatically adapts current and cut-off based on internal resistance and voltage
- High-Definition LCD Display: Shows live charging current (CCR), voltage (V), charged capacity (CAP), and internal resistance (IR)
- Battery Type Auto-Detection: Supports both 3.6/3.7 V Li-ion (IMR/INR/ICR/NMC/NCA) and 1.2 V Ni-MH/Ni-Cd batteries
- 0 V Activation: Can revive fully discharged cells
- Portable Power Bank Function: USB output supplies 5 V/1 A to external devices
- Three-Stage Charging (TC‑CC‑CV): Ensures optimal battery health and longevity
- Built-in Protections: Features against short-circuit, reverse polarity, over-charge, over-current, over-heating, and auto power-off
- Sturdy & Heat‑Resistant Shell: Durable ABS casing with excellent heat dissipation
- Convenient Restart Feature: Automatically restarts charging when needed—ideal for overnight use .
Battery Compatibility
Lithium‑ion (3.6–3.7 V):
Supports 10440, 14500, 14650, 16340, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650 (protected & unprotected)
Ni‑MH / Ni‑Cd (1.2 V):
Supports AAAA, AAA, AA, A, SC, C, D battery formats
