Perfect fit--designed for lenovo thinkpad t440 t440s x240 x240s s440 s540 x250 t450s l450 x260 k2450 t450 t460 l460 t550 w550s l470 p50s t460p t470p t560 x270 series notebook. quicker charging--grade a cells ensure high capacity and smart chip ensure low power consumption, which offers quicker charging. safety charging--natno grade a cell battery is identify over heat, over current, over voltage, over charging protection. built-in circuit protection ensures both safety and stability. 6 months replacement exchange--if you are not satisfied with our product for any reason, just let us know.
