L18C4PF0 L18M4PF0 Laptop Battery Replacement for Lenovo ThinkBook 13S-IWL 14S-IWL 13S-IML 14S-IML 20RR 20RS 20R9 20RM Series L18D4PF0 5B10S73499 5B10S73500 5B10S73501 5B10W67315 15.36V 45Wh 2964mAh