Description
Charge with unprecedented speed using the XTAR ST2, a cutting-edge battery charger that boasts 4.1A ultra-fast charging across two slots. Equipped with a Type-C port and supporting dual fast charging protocols, the ST2 charger ensures your devices are powered up quickly and efficiently. Ideal for high-capacity 21700 and 26650 lithium-ion batteries, this charger incorporates an intelligent temperature control system to optimize charging without overheating. Its compact design and easy operation make it a perfect companion for both home and on-the-go use, providing powerful charging solutions at your fingertips.
- Unmatched Charging Speed: Offers a stunning 4.1A charge per slot, capable of fully charging batteries in just 30 minutes, making it one of the fastest chargers available.
- Advanced Compatibility: Designed to work with a range of lithium-ion battery sizes including 18650, 20700, and 21700, ensuring versatility for all your charging needs.
- Smart Technology: Features an intelligent temperature control system and automatic resistance testing to determine the best charging strategy, safeguarding your batteries and enhancing their lifespan.
- Dual Charging Protocols: Equipped with a Type-C port that supports both PD2.0 and QC3.0, allowing for flexible and efficient power management.
- Comprehensive Protection: Provides reverse-polarity, short-circuit, overcharge, and overheat protection to ensure safe and reliable charging every time.
Compatible with:
3.6V/3.7V Lithium Ion/IMR/INR/ICR: 18650, 18700, 20700, 21700, 22650, 26650
Technical Info:
- Input – PD2.0 (15V-3A) QC3.0 (5V-3A / 9V-2A)
- Constant Current: PD2.0: 4.1Ax2 / 2Ax2 / 1Ax2
- End of Charge Voltage – 4.2V ±.05V
- Approximate Size – L75mm x W149mm x H33mm
- Approximate Weight: 156g
- SIZE/TYPE COMPATIBILITY - ✔ 18650 ✔ 20700 ✔ 21700
- XTAR ST2 4.1A Fast Two Channel Battery Charger User Manual
- Xtar ST2 charger
- Xtar USB-A to USB-C cable
- Xtar USB-C to USB-C cable
- User Manual with Warranty
- Scratch and Check validation serial number
⚠ Important Safety Warnings
Improper use of a battery charger can result in overcharging, short circuits, or damage to the battery, causing FIRE, EXPLOSION, or ELECTRICAL SHOCK. Users must follow all safety guidelines to ensure proper operation. Click here to review the full safety guidelines.
-
Device Compatibility:
- Use the charger only for compatible battery types and sizes as specified by the charger manufacturer. Ensure the charger is appropriate for the battery chemistry, size, and protection status (e.g., unprotected or protected cells).
- Do not charge non-rechargeable batteries (e.g., alkaline or primary cells).
-
Proper Use:
- Only charge batteries in a fireproof or non-flammable area. Avoid charging on beds, couches, or other flammable surfaces.
- Do not force a battery into the charger slot if it does not fit properly. This can damage the charger or battery and may result in unsafe charging conditions.
- Inspect batteries before charging: Do not charge if the battery casing, wrapper, or terminals are damaged, dented, leaking, or bulging.
- Never leave batteries unattended while charging. Monitor the charging process, and unplug the charger when charging is complete.
- Avoid exposing the charger to liquids, high heat, or direct sunlight.
-
Inspection:
- Do not use the charger if the power cord, plug, or device is damaged.
- Inspect both the charger and the battery for any signs of damage before use.
-
Storage & Handling:
- Keep the charger away from children and pets.
- When not in use, unplug the charger and store it in a cool, dry place.
-
Prohibited Activities:
- Do not modify or disassemble the charger.
- Do not attempt to repair a damaged charger—replace it with a new one.
- Avoid using extension cords or adapters that exceed the manufacturer’s recommendations.
-
Emergency Response:
- If the charger or battery emits smoke, sparks, or a burning smell, disconnect the power immediately and move the battery and charger to a safe area.
- In case of fire, use a Class D fire extinguisher or sand to extinguish the flames.
Disclaimer
18650Battery.com is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Battery chargers must only be used with compatible battery types and operated in accordance with manufacturer instructions. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to their customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.