How to Make a 30w Mega Flashlight
by Electro Retro in Circuits > Electronics
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How to Make a 30w Mega Flashlight

Hi,In this intructable I show how to make 30w mega flashlight
Led and Heatsink

first we need a 30w smd led chip and a heatsink.I mount led on the heatsink with screws.and don't forget to add some thermal paste.
Adding Fan

I add a fan for more cooling it works good.
Making the Box

I maked a box with hardboard for the led.
Adding Switch and Female Connector.

added a normal on/off switch and a female power connector for charging the battery.
Mounting the Led Into Box


mounted the led into box with screws.
Bushes and Screws

Need 4 rubber bushes and 4 screws for base.
Drilling the Hole


drill hole in the centre for screws.

mounted the rubber bushes
The Battery Pack





mounting battery with double side tape.


Adding a metal sheet for xtra strong.
Battery Charger

Iam using a automatic charger with thermal protection.It's output voltage is 12v.so that we can charge 11.1v battery.



Wiring the battery charger and battery.


This is a diy battery level indicator.The ic I used is 3914.If anyone want the circuit diagram comment below I will give you.

final wiring.


make a metal clamp for more strong.


close the top cover and glue it using hot glue.I added a on/off switch and a push on switch.
Painting

painting using sparypaint iam using black.
Final Look



I added a handle.


Battery level indicator at night


charging before the use charging voltage 230v ac


without led and with led



Without any light,with a regular torch and my mega flashlight.



regards,
Electro maker.