... ! Introductions1)Original laptop batteries are made of Panasonic, Sanyo, Samsung, Sony, LG cells2)Replacement batteries are made of Chinese cells,also ... , such as IBM, DELL, TOSHIBA, COMPAQ, ACER, HP, NEC, ASUS, SONY, FUJITSU-SIEMENS, SAMSUNG, APPLE, LENOVO, LG, MITAC, HASEE and so ... T410 L410 L420 L510 W510 W520 42T4235 42T4731 42T4733 42T4737 42