Description
The Efest SLIM K1 Intelligent Charger is the ideal solution for those seeking a compact, efficient, and reliable way to charge their 3.6V/3.7V Lithium batteries. Designed with convenience in mind, this single-channel charger offers rapid charging, USB-powered connectivity, and advanced safety features. Whether you're at home or on the go, the SLIM K1 delivers reliable performance with a sleek design that’s easy to carry. Backed by a 3-year warranty, it’s perfect for daily use and ensures your devices stay powered up.
Key Features:
- Fast and Efficient Charging: Provides a 1A output for rapid charging, reducing downtime and keeping your devices ready for use.
- Clear LED Indicators: A built-in LED charging indicator keeps you informed of the charging progress at a glance.
- Smart Battery Activation: Revives undercharged batteries with its low voltage activation feature, extending their lifespan and improving performance.
- Enhanced Safety Features: Includes reverse polarity protection to prevent damage from improperly inserted batteries, ensuring safe and reliable charging.
- Wide Compatibility: Supports a variety of lithium battery sizes, including 10440, 18650, 20700, and 26650, making it versatile for all your devices.
Battery Compatibility:
- 3.6V/3.7V Lithium Batteries: Compatible with 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 20700, 21700, 26500, 26650.
Technical Specifications:
- Input: AC 100V-240V 50/60Hz or DC 5V 1A
- Output: 4.2V ± 0.05V or DC 5V 1A
- Battery Output Cutoff Voltage: 4.20V ± 0.05V
- Auto Recharge Voltage: 4.10V ± 0.10V
- Size/Type Compatibility: ✔ 18650, ✔ 20700, ✔ 21700
What’s in the Box:
- Efest SLIM K1 Battery Charger
- USB Cable with Type-C USB Port: 5V 1A
- User Manual and Warranty Card
- Scratch-off 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
IMR Batteries 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.