Top 2 Reasons for Karbonn K390 Compared to Maxx Mx4 Turbo 4.8% more mAH battery than Maxx Mx4 Turbo. More battery capacity reduces the need to charge your battery again. (1100 mAH, Li-ion vs. 1050 mAH, Li-ion) 0.3 mm Thinner than Maxx Mx4 Turbo. Slim mobile phone is easy to handle and looks gorgeous in hand. (108 x 46 x 14 mm vs. 112 x 47.5 x 14.3 mm) |