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EFEST LUC V4 Li-Ion Charger


  • 1. HD mini LCD screen to display precise voltage and battery capacity level. 
  • 2. Each charging channel has independent display of charging status. 
  • 3. Automatically adjusting discharge current to charge different size battery. 
  • 4. 4 kinds of protection as over-discharging, over-voltage, short-circuit and reverse polarity protection. 
  • 5. Automatically stops when full changed. 
  • 6. With DC wide voltage (12-24V) charging mode 
  • 7. Plug Type: Charger with UK Plug!
  • 8. Certification: CE , RoHs, UL, KCC ect. 



Input voltage: DC 12-24V, Output voltage: 4.1 ±1% 500mA CC current : > 450mA 1000mAh CC current: > 950mA Cut-off Voltage: 4.2V ± 0.05V TC 

Current, 0.5-1A: ≤60-120mA Auto recharging Threshold Value voltage: 3.9V ± 0.15mA Activation Voltage ( battery voltage < 2V): 0.45 ±0.15mA 

Operation Temperature: 0-40°C Storage Temperature : -40 – +70°C



 1. Once the external Power adapter is connected with the LUC charger, the system begins to self-inspect and battery inspection.

2. LUC charger can change between 500mA or 1000mA current up to different size batteries. Automatically changes to 500mA when batteries is: 10440, 16340, 14500, 18350, 18500, 17500, or changes to 1000mA when battery is: 17670, 18650, 18700, 26500, 26650, 22650 batteries. CV is 4.23V.

 3. LCD display ‘Er’(short for Error), charger will be stopped charging automatically when battery voltage is under 2V within 5 seconds, “Er” mark on LCD screen will disappear once battery were took off.

4. Charging Status. 5. When inserting a battery with the wrong positive or negative end, LCD will shows ‘Error’ and stop charging, please insert the batteries to be correct polarity. Charging - with battery voltage and the sign of capacity flickers on LCD screen. 1) Cell full charged: with battery voltage and the sign of capacity is marked three lines without flicker. 2) Cells full charged: with battery voltage and the sign of capacity is marked four lines without flicker.


Package contents:

  •  1x Efest LUC Universal Multifunction LCD Smart Charger 
  •  1x Cable with UK plug 
  •  1x Instructions 
  •  1x Retail Box
  • 1 x User Manual and Warranty Card
  • Any Product types that You want - Simple, Configurable, Bundled and Grouped Products
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  • Advanced Pricing Rules and support for Special Prices
  • Tax Rates per location, customer group and product type
  • Detailed Configuration Options in Theme Admin Penl
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