Hi,In this intructable I show how to make 30w mega flashlight
Step 1: 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.
Step 2: Adding Fan
I add a fan for more cooling it works good.
Step 3: Making the Box
I maked a box with hardboard for the led.
Step 4: Adding Switch and Female Connector.
added a normal on/off switch and a female power connector for charging the battery.
Step 5: Mounting the Led Into Box
mounted the led into box with screws.
Step 6: Bushes and Screws
Need 4 rubber bushes and 4 screws for base.
Step 7: Drilling the Hole
drill hole in the centre for screws.
mounted the rubber bushes
Step 9: The Battery Pack
mounting battery with double side tape.
Adding a metal sheet for xtra strong.
Step 12: 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.
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.
Step 18: Painting
painting using sparypaint iam using black.
Step 19: 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.