US Shipper: Efest LUC Blu4 Charger $22.47



Here’s an amazing price on the Efest LUC Blu4 charger which features Bluetooth technology and a smart phone app.

  • US Shipper: $22.47 get-this-deal Use coupon code YEAHBABY at checkout

  • US Shipper: $29.95 get-this-deal 

  • US Shipper: $34.99 get-this-deal 


The Efest LUC Blu4 is a four bay intelligent charger and features durable construction and a smart phone application for easy use.

The Bluetooth connection has been completely redone over previous LUC chargers  and now permits you to get detailed statistics on charging time and current battery charge levels.

The Blu4 charger has four diagonal bays that are made from steel to ensure longevity.  The diagonal setup gives the device an amazing look and allows for a smaller form factor  compared to similar chargers.  On the top right of the unit, there’s an easily seen LED which allows for easy navigation of each individual charge bay.  But, perhaps the easier way to use the charger is with the Efest smart phone app which allows for much easier setup of the device and information on current charge level progress for each inserted battery cell.  The app also permits for push notifications in which case you’ll be alerted when batteries are fully topped off.

Overall, Efest is known to create intelligent battery chargers that will effectively and safely charge your cells. The LUC Blu4 is bound to be no exception and the companion app makes purchasing this charger a no-brainer.


  • 4 Bay Battery Charger
    • Independent Charging Rate and Charge Monitoring
    • Supports 10440 / 14500 / 14650 / 16340 / 16650 / 17650 / 17670 / 17350 / 18490 / 18500 / 18650 / 26500 / 26650
  • Charging Rates
    • Four Bays to 4.2V
      • 0.5A Each Bay
    • Two Bays to 4.2V
      • 1A Per Bay
  • High Definition LED Display
    • Night Energy Saving Mode
    • Voltage State
    • Current Rate
  • Efest Charging App
    • Compatible with Android and iOS
    • Bluetooth Connection
    • Quickly View Each Bay’s State
    • Adjust Screen and Charge Rates
    • Charging Status and Charts
      • Voltage
      • Current
      • Charging Times
    • Fully Charged Reminder
  • Intelligent Protection Suite
    • Auto Stop When Fully Charged
    • Auto Recharge When Voltage Drops Below 4.05V
    • Revive Batteries With 0.6V or Higher Charge
    • Over Discharge / Over Voltage / Short Circuit / Reverse Polarity Protection

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