LENOGE® 11,1 Volt 4400mAh Battery for Acer Aspire 5220 5230 5310 5710 5520G 5715Z ZG 5720 5920 5935 6530 6920 5739G 6920G 6930 6930G 7720G 7720Z 6930ZG 6935 7720 7735 7736 7738 8730 8920 8930 7230 Extensa 7630; Compatible with: AS07B42 AS07B71 AS07B31 AS07B32 AS07B51 AS07B61 (Electronics)
at first, it worked more or less, then quickly alternately ... and then at all. Finally, I took it because it becomes useless. 25 thrown out the window!