If you're only looking to charge 2S lipo, Accucel-6 will do a great job, it a 50watt charger and will limit charge current for lipos 3S and greater. It is limited to 5amps as well. For higher cell counts, consider the 6's big brother, teh Accucel-8 (150watts) and 7amps.
The 6 -
http://www.hobbycity.com/hobbycity/s...lancer/Charger
The 8 -
http://www.hobbycity.com/hobbycity/s...lancer/Charger