FIRST MODULE
Super Efficient Joule Thief to steal all the last energy from AA battery
"works from 0.6 volts to light up 10 leds / 10mm" and without any Toroid coil.
In half operation it lasted illuminating about for (170) hours with those bad non-branded battery
Ηow to operate it
There is a "green" power potentiometer rotary switch. To operate the device and
to increase the intensity of the Leds!
Use all your old ΑΑ batteries to discharge them completely and
you will have light in times of emergency...
SECOND MODULE
Super Efficient Joule Thief from PLASMA Lighter to steal all the last energy from AA battery
"works from 0.8 volts to Boost Set Up & light up any E14 Led bulbs 120v or 220v"
With this battery in half operation it lasted illuminating about Fifteen (15) hours...
Ηow to operate it
There is a "green" power potentiometer rotary switch. To operate the device and
to increase the intensity of the Bulb!
Use all your old ΑΑ batteries to discharge them completely and
you will have light in times of emergency...