Description
Power your devices efficiently with the Efest SLIM K2 Intelligent Charger. Designed for versatility and ease of use, this dual-channel USB-powered charger delivers a seamless charging experience. With 1A output per channel, it ensures fast and reliable charging for your 3.6V/3.7V lithium batteries. The SLIM K2 features advanced technology such as LED charging indicators, low voltage activation, and reverse polarity protection to guarantee safe and effective charging every time. Perfect for daily use across a range of devices, it also includes a three-year warranty for added peace of mind.
Key Features:
- Dual Charging Capability: Simultaneously charges two batteries at 1A per channel, minimizing downtime and keeping your devices powered.
- Smart Activation Function: Revives batteries with low voltage smart activation, optimizing battery life and performance.
- LED Charging Indicators: Individual LED indicators provide real-time updates on the charging status for each channel.
- Comprehensive Safety Features: Equipped with reverse polarity protection to prevent improper battery insertion and an automatic stop to avoid overcharging.
- Wide Compatibility: Compatible with a broad range of lithium battery sizes from 10440 to 26650, meeting diverse charging needs.
Compatible With:
Supports various 3.6V/3.7V lithium battery types, including: 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
- Compatible Battery Sizes: ✔ 18650, ✔ 20700, ✔ 21700
What's in the Box:
- Efest SLIM K2 Battery Charger
- USB Cable with Type-C USB Port (5V 2A)
- 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.