"Based on historical data, we expect the biggest savings to come from electronics and gadgets this Black Friday, with retailers offering discounts ranging between 15 to 52 per cent off the recommended retail prices of items," Matinvesi-Bassett said.
Drones, camera lenses, PS4s, activity trackers, headphones and portable speakers where picked to be items with the biggest discounts.
"In terms of our predictions around what's going to be hot this Black Friday, we're expecting most sales in New Zealand to come from electronic goods like mobile phones, laptops, TVs, game consoles and headphones," she said.
Samsung Galaxy S8, Apple iPhone 7 and Apple Macbook Air, HP Spectre, Sony PlayStation 4 and Nintendo Switch are predicted to be the top picks, with PB Technologies, Expert Infotech, Harvey Norman and Mighty Ape expected to offer the biggest discounts.