EFEST LUC BLU4 Battery Charger

Efest LUC BLU4 OLED Intelligent Charger

The Efest LUC BLU4 is a powerful charger which has the capacity of charging 4 batteries at once.  This charger features a Bluetooth App (requires Android 4.3 or iOS 7, Bluetooth 4.0) that allows you to monitor your battery charging status and change the charging current. (Android App available now, iOS App coming in the near future)

Note:- Charging batteries should always be charged with supervision.



 4 charging slots, compatible with all types of rechargeable Lithium batteries (Li-ion, Li-Mn and Ni-Mh)

 Independent monitoring and charging current function

 LCD display Screen to display battery charging status.


Compatible  Li-ion (10440, 14500, 14650, 16340, 16650, 17650, 17670, 17350, 18350, 18490, 18500, 18650, 26500, 26650)

Features over-current, over-voltage, short-circuit, and reverse polarity protection.

It integrates a Bluetooth communication module, and support for smart-phone remote control.

Requires Android 4.3 or iOS 7 with support for Bluetooth 4.0

Android App available now with the iOS App coming soon in the near future


ONLY use  Rechargeable Batteries or With PCB Batteries. Other types of batteries may cause personal injury. Do NOT leave batteries charging unattended/overnight!


IMPORTANT: Always use caution when using Li-ion cells, Make sure you have battery knowledge about their sensitivity to charging and may explode and burn if mishandled. Never leave charging batteries unattended. House of Clouds will not be held responsible for damage if there is any modification of the batteries/chargers in any form. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers with this product.

Battery safety


DO NOT puncture, cut, crush, short circuit, recharge, expose to water, fire, or high temperature–fire or explosion may result

DO NOT place loose batteries in a pocket, purse, or other receptacle containing metal objects

DO NOT mix with used or other battery types

DO NOT store with hazardous or combustible materials

DO NOT use water to put out a burning lithium battery — use a class “D” fire extinguisher or other smothering agent

DO NOT mix disposable and rechargeable batteries in your illumination tool

DO NOT put batteries into a device backwards

DO NOT allow children access to lithium batteries

DO store lithium batteries in a cool, dry, ventilated area