Efest Slim K2 Intelligent Charger


Activation function

Auto-detect charging function

Over-charging protection

Out of stock

SKU: efest-slim-k2-intelligent-charger Categories: , Tags: ,



Efest SLIM K2 Charger is made with piano wire, it provides a smooth sliding action when installing and removing batteries. Steel cathode with low resistance and hard chromium plating processing to achieve a more precise charging voltage. 15,000+ times spring testing quality warranty.


• AC input power: AC 100-240V 50/60Hz
• DC output power: DC 5V 1A
• Auto cut-off voltage 4.20±0.05V
• Standby current: <20mA
• Auto recharge voltage: 4.10±0.10V
• Storage Temperature:-40°C ~ +70°C
• DC input power: DC 5V 1A
• 1A CC current: 1,000mA±10%
• CV cut-off current <100mA
• Activation current: 50mA ~ 100mA
• Operation Temperature: 0°C ~ 40°C

1. Fast charging mode: 1.0A (4.2V 2pcs x 1.0A)
2. Fit to 3.6V or 3.7V Lithium battery in different size
3. Reverse polarity protection
4. Activation function
5. Auto-detect charging function
6. Over-charging protection
7. Short circuit protection

Packing Details:
1pc – SLIM K2 Charger Body
1pc – USB Cable
1pc – Warranty Card
1pc – Operation Manual