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LED Torch Kit With Battery

Easy Build
Exclusive to Kitronik
Teaching Notes
Key Stage 3
The White LED Torch Kit uses an Ultra Bright White LED. The kit also includes a torch PCB, an N Size 12 Volt Battery and holder, resistor, and a slide switch.

Out of stock. Orders can be placed and will be despatched once in stock.

Code1+ 5+ 50+
(£3.06 incl VAT)
(£2.28 incl VAT)
(£1.92 incl VAT)

The LED torch uses a white 5000mCd ultra bright LED. Power is supplied by an N size 12 volt battery, which is included in the kit. The torch comes complete with a slide on off switch.

With just four parts the kit makes a great introduction to electronics.


  • Easy build torch kit makes a great introduction to soldering.
  • Ultra bright torch.



  • PCB Length: 79.5mm.
  • PCB Width: 15mm.





Free samples:

Teachers can order a sample of this kit (one per school) here. You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2114.
Note: this service is only offered to schools for evaluation purposes only.

Buy British:

 This kit is designed and manufactured in the UK by Kitronik.

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Posted by Sarah Sule, Monday, 5 December 2016 on product LED Torch Kit With Battery
  • 0

    Hi Sarah, That would be fine, you could just use the switch that we supply but just link it to the board with wires as you say instead of connecting it direct. As long as it is connected the same as it would be if soldered to the board it wouldn’t be an issue.

    Posted by Michael Lockhart on Monday, 5 December 2016
Posted by Sarah Sule, Thursday, 1 December 2016 on product LED Torch Kit With Battery
  • 0

    Hi Sarah, Yes it is possible to swap the battery holder for a 12V power supply. If you wanted to use a USB port/plug to power it you would have to change the resistor to suit as a USB port outputs 5V’s and the resistor was chosen based on a 12V supply.

    Posted by Michael Lockhart on Thursday, 1 December 2016
Posted by Simon, Friday, 19 February 2016 on product LED Torch Kit With Battery
  • 0

    The LED draws around 10mA, the resistor has a voltage drop of 8.8V. As such by using Ohms law you would get the following, R=V/I, R=8.8/0.010 giving R a value of 880Ohm. However resistors come in preferred values, as such the closest preferred value that is available is 680Ohm. This still provides enough resistance to protect the LED. The video on the product page explains why this value resistor is used in more detail.

    Posted by Michael Lockhart on Friday, 19 February 2016
Posted by Sarah-Jane, Wednesday, 30 December 2015 on product LED Torch Kit With Battery
  • 0

    Yes product:

    Is 17,500mCd compared to the torch LED which is 5,000mCd. They both have the same forward voltage, current requirements and viewing angle so you could just drop it straight in to give you a torch that is about 3.5 times brighter.

    Posted by Geoff Hampson on Wednesday, 30 December 2015
Posted by Simon Fowler, Tuesday, 10 February 2015 on product LED Torch Kit With Battery
  • 0

    Unfortunately we don’t have any housing templates for this kit. We do have a few examples that other schools have done to house the unit, if you see the media section on the product page. The easiest housing solution is to use some acrylic tubing to house the unit, or you could use our new Polypropylene sheet. 

    Posted by Michael Lockhart on Tuesday, 10 February 2015
Posted by Alexandra White, Thursday, 13 November 2014 on product LED Torch Kit With Battery

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