There's a flood of these chargers hitting the market these days. They all seem to have the same logic boards and function the same but have varying graphics and cases.

Value Hobby in Oak Park IL is selling a similar charger called Loong-Max E6 for $69.99 with 3.99 shipping.

You'll need a decent switched power supply for any of these chargers and these sell for $20 to $300 depending on the amperage desired. Average around $100 for 10A to 20A. You could get by with a 5A but that would be stressed if you wish to charge anything over a 2S Lipo or 7 cell Nimh.