Top deals include the Digihome 49” large screen LED TV with Freeview, available for £199, saving £150, Beats Solo 2 On-Ear Headphones, which customers will be able to pick up for £69, saving £100, and a 15.6" screen Acer laptop with 1terrabyte hard disk drive, which will be on sale for £179, down from £279.
Other deals include the Tassimo T20 Coffee Machine for £29.50, saving £70, the Babylis Curl Secret Hair Styler which is half price at £59.50 and the 10" Samsung Android Tablet, on sale for £99, saving £60.
In total, more than 200 electrical, entertainment and mobile products will go on offer, with discounts of up to 70 per cent.
Tesco said it was on a mission to "to give customers all the help they need to have a magical festive season" this Christmas.
Read more: How to bag an Apple bargain on Black Friday
Rob Hattrell, general merchandise director for Tesco, said: “We’re doing all we can to help customers have a fantastic Christmas and we’re excited to be offering so many great Black Friday deals this year. Our Black Friday event will include over 200 different products so we hope customers will find something for all the family.”
New to the concept of Black Friday? Watch our short film below to find out what all the fuss is about.
To help you plan ahead, you can find all the latest deals, news and opinion on Black Friday here, and tips on how to get the best bargains, including Ebay, Currys PC World, John Lewis and Amazon. But don't expect to find Asda among them this year, the supermarket has set a precedent and pulled out of the sales bonanza.