While it is possible to find “bargains” on eBay or at your local convenience store – DON’T use them with your iPad [or any other Apple product, for that matter].
You DEFINITELY want cables and chargers that are “mFi” certified. They are usually indicated with this logo:
- El Cheapo knockoffs risk damaging the circuitry of the iPad. Any iPads that sustain damage to the charging circuits WILL incur a repair charge.
- They also don’t last as long and get damaged far more easily.
More info can be found here:
If you’d like to see if a particular item is mFi certified, here’s a search engine: