MORE than 16,000 iPads were listed on the auction site in the two weeks running up to the launch of the new iPad this week.
eBay said that the average selling price of the iPad2 is currently £283 (€337).
A new, third-generation iPad will sell from £399 when it is released on 16 March, while the iPad 2’s price will be cut to £329.
Tablet and ereader sales increased by 443pc between January and December last year, eBay has also claimed. It says that as part of the fourfold increase, over 61,000 were devices sold in December 2011 alone.
The sell-off is also likely to continue, eBay said; immediately after the launch of the iPad2 between February and March 2011, sales on eBay UK spiked with almost 5,000 more tablets and eReaders sold in March than the previous month.
The new device, named "new iPad", has what Apple calls a "Retina" display, which offers 3.1 million pixels, which is a higher screen resolution than a HDTV.
It also has a 5-megapixel rear camera, which features the same lens technology as Apple's iPhone 4S, and is capable of recording full 1080p HD video.
Tim Cook, Apple's chief executive, announced the new iPad at an Apple event in San Francisco. He described the device as the flagship among the company's "post-PC" products.
Carphone Warehouse has also announced that it will offer a trade-in scheme for iPads. The original iPad will be bought for prices ranging from £135 to £205, depending on the model, while iPad 2 prices will range from £245 to £355.
Recent research from Which? Computing indicates that while trade-in schemes are growing rapidly in popularity, users routinely obtain better prices by selling their products themselves online.