onyx 245 any good

[jetskier]

http://www.duratrax.com/chargers/onyx/dtxp4245.html

Is this a good charger for my use. I'm thinking of going lipo and will probably only be using 2S, 3000mAh-5000mAh,and 20C-30C for my SV27. Just looking for a basic way to charge 2 batteries at once with out seperate power supply.
Thanks,