Efest K2 Slim Intelligent Battery Charger
Introduction
The Efest K2 Slim Intelligent Battery Charger is a compact and reliable dual-bay charger designed for lithium-ion batteries. Known for its intelligent charging capabilities, robust safety features, and portability, the K2 Slim is an excellent choice for vapers and users of rechargeable devices seeking a safe and efficient way to charge their batteries.
Key Features
Dual Independent Charging Bays
The charger supports simultaneous charging of two batteries, with each slot operating independently. This means it can charge two batteries at different charge levels or even of different sizes without interference.
Fast and Consistent Charging
Each slot delivers a consistent 1.0A charging current, providing fast and efficient charging performance. This helps reduce downtime while maintaining battery health.
Broad Battery Compatibility
The Efest K2 Slim supports a wide range of 3.6V and 3.7V lithium-ion battery sizes, including:
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10440
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14500
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14650
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16340
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18350
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18500
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18650
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20700
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21700
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26650
Intelligent Charging Technology
This charger automatically detects battery type and status to apply the correct charging mode. It uses constant voltage and constant current charging algorithms to maximize safety and battery life.
Multiple Safety Protections
The K2 Slim is equipped with several built-in safety mechanisms, including:
These features help prevent damage to your batteries and charger, ensuring reliable and safe usage.
Compact and Durable Design
Its slim and lightweight body is perfect for travel or on-the-go charging. The charger is constructed from fire-retardant materials, and its piano wire springs ensure smooth battery insertion and removal.
LED Charging Indicators
Clear LED indicators show the charging status of each slot, helping users monitor the charging process easily.
Technical Specifications
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Input: DC 5V 1A (via Micro USB)
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Output: 1.0A per slot
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Auto Cut-Off Voltage: 4.20V ± 0.05V
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Auto Recharge Voltage: 4.10V ± 0.10V
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Activation Current: 50mA - 100mA
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Standby Current: Less than 20mA
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Operating Temperature: 0°C to 40°C
Package Contents
Conclusion
The Efest K2 Slim Intelligent Battery Charger offers a safe, efficient, and user-friendly solution for charging lithium-ion batteries. Its compact design, broad compatibility, and intelligent safety features make it ideal for both beginner and advanced users looking for a dependable charging option. Whether at home or on the move, this charger provides peace of mind and performance in a slim, travel-friendly form.
