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Flexible Heating Pad

These DC powered heating pads are perfect for near-body heating applications. Apply 5VDC to the wire leads to warm up. Available in 5x 10cm or 5 x 15cm.

Availability: In Stock.

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Product versions:

This product is also available in the following versions:

Stock code
Flexible Heating Pad - 5x10cm
Flexible Heating Pad - 5x15cm

Use the drop down list above to select your option. Price shown is GBP (ex VAT). Local currency price and price breaks (if applicable) will be shown once you have chosen an option.

Product description:

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up.

These heating pads are constructed using a mesh of Polyester filament and Micro Metal Conductive Fiber folded into a protective Polyimide Film. The fact that these are low power, flexible and draw little power makes them ideal for things like hand-warmers and other heated garments. Maybe hook up a microcontroller and some sensors and make your own climate-controlled hoodie?

The pads draw approximately 700mA.


  • Flexible heat pads.
  • Polymide protective film.


15cm Pad:

  • 1 x 5 cm x 15cm Flexible Heating Pad.

10cm Pad:

  • 1 x 5 cm x 10cm Flexible Heating Pad.


15cm Pad:

  • Length: 5cm.
  • Width: 15cm.

10cm Pad:

  • Length: 5cm.
  • Width: 10cm.


SparkFun Stock Code:

10cm Pad:

  • COM-11288.

15cm Pad:

  • COM-11289.

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Posted by Matt, Monday, 13 March 2017 on product Flexible Heating Pad
  • 0

    Hi Matt, We don’t have any information regarding washing this item, however we would recommend having it so that it can be removed prior to washing to prevent any issues with the product. If it does get wet you would need to make sure it is completely dry before using it. To pads work from a 5V supply and can draw up to 700mA, as such you would need to power source which can supply this and sustain it for the period of time you would want it to last. The switch would need to be rated to 5V and 1A at a minimum to be suitable.

    Posted by Michael Lockhart on Monday, 13 March 2017
Posted by Vicente, Thursday, 28 April 2016 on product Flexible Heating Pad
  • 0


    The pads are designed to run off 5V so you would be better with 3 AA batteries rather than 2. However please be aware that a good quality battery will have a capacity of something like 1500mA/h which means if you pull 1500mA it will last an hour. If you pull 700mA as is the case with the heating pad, then you’re looking at a battery life of about 2 hours. So yes you can do it, but the batteries won’t last very long.

    If you are planning on using rechargeable AA batteries these have a nominal voltage of 1.2V so I’d recommend using 4 of them rather than 3.

    Posted by Rob Haywood on Thursday, 28 April 2016
Posted by Daniel, Thursday, 10 December 2015 on product Flexible Heating Pad
  • 0

    Although it is technically possible we strongly advise against cutting the pad up. The pads have been designed to have a certain amount of resistance which limits the amount of current flowing through them and limiting the amount of heat they will generate. By cutting the pad you will reduce the resistance and therefor increase the amount of current flowing through, this would result in the pad heating to a higher temperature, which could melt the pad.

    Posted by Michael Lockhart on Thursday, 10 December 2015
Posted by Laura Cooper, Tuesday, 20 January 2015 on product Flexible Heating Pad
  • 0

    The maximum voltage is 5V. If you placed more than 5V through this then you may result in damaging the product or possibly catching fire

    Posted by Michael Lockhart on Tuesday, 20 January 2015
Posted by SPSulkin, Monday, 19 January 2015 on product Flexible Heating Pad
  • 0

    Unfortunately the coin cells wouldn’t be a very good power source as they would run flat in around 10 minutes. A better option would be using a pair of LiPo batteries which would give you around an hour’s run time. Product Code: 4652

    Posted by Michael Lockhart on Monday, 19 January 2015

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Same Day Dispatch

  • Orders placed online before 3:00pm Monday - Friday (excluding public holidays and our Christmas shutdown period) are always dispatched the same day provided the goods are in stock. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date.

UK Deliveries

  • If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost 3.95 (4.74 including VAT) if you spend less than 40 (48 including VAT).
  • If you spend between 40 and 200 (48 - 240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, 12 (14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and 15 (18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate click here.
  • If you spend over 200 (240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.

Rest of the world

  • These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. Alternatively you can choose the free collection option and have your own courier collect it from us. International orders can only be shipped to the registered card address. Please note: International orders may be charged import duty dependant on local import laws and duty rates. These charges are usually billed to you directly from UPS.
  • Delivery times vary for international orders depending on the service selected and the destination. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.


  • If you would like to collect your order, or use your own courier then there is an option you can select during checkout. We do not charge a packaging or handling fee for this service, and you will receive an email when your order has been processed, you can collect half an hour after receipt of this email.

Further Information

  • For information about all of the delivery options we offer click here.
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