Tenergy TN-190??

Batteries and Chargers Chargers
1

looking at this charger. Any good? thanks

http://www.amazon.com/Tenergy-Advanced-Universal-Charger-TN190-4/dp/B006OSQALU/ref=pd_cp_pc_0

and what is the difference between that one and this one?

http://www.amazon.com/Tenergy-T-9688-Universal-Battery-Charger/dp/B002FKNPBY/ref=sr_1_7?s=electronics&ie=UTF8&qid=1356583668&sr=1-7&keywords=tenergy