Description
The XTAR SC2 Battery Charger (QC3) is a compact, high-speed dual-slot charger designed for Li-ion batteries including 18650, 21700, and 26650 sizes. Featuring QC3.0 fast-charging capability, it intelligently adjusts charging current to deliver safe, efficient power while protecting your batteries.
Ideal for underwater photographers and divers using high-drain lights and strobes, the SC2 ensures your batteries are ready quickly and reliably between dives.
Key Benefits:
- Supports multiple battery sizes (18650, 21700, 26650)
- QC3.0 fast charging for reduced downtime
- Intelligent charging system with automatic current adjustment
- Dual-slot design to charge two batteries simultaneously
- Built-in safety protections (overcharge, overheating, reverse polarity)
Who It’s For:
- Underwater photographers using strobes or video lights
- Divers needing reliable battery charging between dives
- Users with multiple Li-ion battery sizes
What’s Included:
- XTAR SC2 Dual-Slot Battery Charger
- USB charging cable
Specifications:
- Battery Compatibility: 18650 / 21700 / 26650 Li-ion
- Slots: 2 independent charging bays
- Input: QC3.0 USB (fast charge compatible)
- Charging Control: Intelligent automatic current selection
- Safety Features: Overcharge, reverse polarity, and temperature protection
- Brand: XTAR
- Model: SC2 (QC3)
- SKU: BS-SC2-QC3
FAQ
Can it charge different battery sizes at the same time?
Yes, each slot operates independently and can charge different battery types simultaneously.
Does it support fast charging?
Yes, it supports QC3.0 fast charging when used with a compatible power adapter.
Is it safe for high-capacity batteries?
Yes, it automatically adjusts the charging current to match the battery’s requirements.
Does it include a wall adapter?
Typically it includes a USB cable, but a QC3.0 wall adapter may be required for fast charging.

