This TOSHIBA Tecra 500CDT, 500CS RTC Battery is 100% compatable with the FL3/V30H-WT TOSHIBA Tecra 500CDT, 500CS RTC Battery. Our batteries and accessories are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% quality control assurance. This TOSHIBA Tecra 500CDT, 500CS RTC Battery includes a 1 warranty to guarantee that it has no manufacturing defects.