This battery can be used to replace these batteries:

FEDCO
PA3400U-1BRS

TOSHIBA
Dynabook CX/45A	Dynabook CX/47A	Dynabook CX/855LS	Dynabook CX/875LS	Dynabook CX/955LS	Dynabook CX/975LS	Dynabook Satellite AW3	Dynabook TX/66A	Dynabook TX/67A	Dynabook TX/870LSFIFA	Dynabook TX/880LS	Dynabook TX/980LS
Dynabook VX/4	Dynabook VX/5	Dynabook VX/780LS	Equium A100-027	Equium A100-147	Equium A100-306	Equium A100-337	Equium A100-338	Equium M50-164	Equium M50-216	PA3399U-1BAS	PA3399U-1BRS
PA3399U-2BAS	PA3399U-2BRS	PA3400U-1BAS	PA3400U-1BRL	PA3400U-1BRS	PA3478U-1BAS	PA3478U-1BRS	PABAS057	PABAS076	PABAS077	Satellite A100-151	Satellite A100-153
Satellite A100-163	Satellite A100-165	Satellite A100-169	Satellite A100-181	Satellite A100-188	Satellite A100-212	Satellite A100-225	Satellite A100-274	Satellite A100-287	Satellite A100-290	Satellite A100-522	Satellite A100-523
Satellite A100-583	Satellite A100-590	Satellite A100-661	Satellite A100-662	Satellite A100-688	Satellite A100-691	Satellite A100-692	Satellite A100-694	Satellite A100-696	Satellite A100-717	Satellite A100-720	Satellite A100-756
Satellite A100-761	Satellite A100-773	Satellite A100-S8111TD(with Intel Core Solo or Intel Core Duo Processors only)	Satellite A100-ST1042	Satellite A100-ST8211	Satellite A105-S4000 Series	Satellite A105-S4001	Satellite A105-S4004	Satellite A105-S4012	Satellite A105-S4024	Satellite A105-S4034	Satellite A105-S4054
Satellite A105-S4064	Satellite A105-S4074	Satellite A105-S4084	Satellite A105-S4092	Satellite A105-S4094	Satellite A105-S4102	Satellite A105-S4114	Satellite A105-S4132	Satellite A105-S4134	Satellite A105-S4184	Satellite A105-S4244	Satellite A105-S4254
Satellite A105-S4274	Satellite A105-S4284	Satellite A105-S4334	Satellite A105-S4364	Satellite A105-S4384	Satellite A105-S4397	Satellite A105-S4547	Satellite A80-116	Satellite A80-117	Satellite A80-121	Satellite A80-122	Satellite A80-129
Satellite A80-140	Satellite A80-142	Satellite A80-154	Satellite A80-168	Satellite A80-169	Satellite M100 Series	Satellite M100-ST5000 Series	Satellite M100-ST5111	Satellite M100-ST5211	Satellite M105 Series	Satellite M105-S3000 Series	Satellite M105-S3001
Satellite M105-S3002	Satellite M105-S3004	Satellite M105-S3011	Satellite M105-S3012	Satellite M105-S3021	Satellite M105-S3031	Satellite M105-S3041	Satellite M105-S3064	Satellite M105-S3084	Satellite M110-ST1161	Satellite M115-S3000 Series	Satellite M115-S3094
Satellite M115-S3104	Satellite M115-S3144	Satellite M115-S3154	Satellite M40 Series(except Satellite M40-S312TD)	Satellite M40-102	Satellite M40-103	Satellite M40-129	Satellite M40-135	Satellite M40-136	Satellite M40-140	Satellite M40-149	Satellite M40-152
Satellite M40-154	Satellite M40-183	Satellite M40-192	Satellite M40-197	Satellite M40-221	Satellite M40-225	Satellite M40-236	Satellite M40-241	Satellite M40-243	Satellite M40-244	Satellite M40-245	Satellite M40-264
Satellite M40-265	Satellite M40-276	Satellite M40-300	Satellite M40-307	Satellite M40-313	Satellite M40-S331	Satellite M40-S351	Satellite M40-S3511	Satellite M40-S4111TD	Satellite M40-S4172TD	Satellite M40-S417TD	Satellite M45 Series(except M45-S165, M45-S165x, M45-S169 & M45-S169x)
Satellite M45-S269	Satellite M45-S2691	Satellite M45-S359	Satellite M45-S3591	Satellite M50 Series(except Satellite M50-MX2)	Satellite M50-04N01N	Satellite M50-0TG01D	Satellite M50-0TJ01E	Satellite M50-0YU01N	Satellite M50-105	Satellite M50-109	Satellite M50-122
Satellite M50-130	Satellite M50-138	Satellite M50-141	Satellite M50-142	Satellite M50-143	Satellite M50-156	Satellite M50-157	Satellite M50-159	Satellite M50-161	Satellite M50-181	Satellite M50-182	Satellite M50-198
Satellite M50-215	Satellite M50-226	Satellite M50-231	Satellite M50-S4182TD	Satellite M50-S418TD	Satellite M50-S5181TD	Satellite M50-S5181TQ	Satellite M55 Series(except Satellite M55-S139 & M55-S139X)	Satellite M55-S325	Satellite M55-S3251	Satellite M55-S329	Satellite M55-S3291
Satellite M55-S331	Satellite M55-S3311	Satellite Pro A100	Satellite Pro M50	Tecra A3 Series	Tecra A3-100	Tecra A3-103	Tecra A3-106	Tecra A3-114	Tecra A3-141	Tecra A3-143	Tecra A3-180
Tecra A3-181	Tecra A3-188	Tecra A3-SP611	Tecra A4 Series	Tecra A4-108	Tecra A4-109	Tecra A4-158	Tecra A4-161	Tecra A4-164	Tecra A4-171	Tecra A4-196	Tecra A4-212
Tecra A4-244	Tecra A4-257	Tecra A4-S312TD	Tecra A4-S313	Tecra A4-SP211	Tecra A5 Series	Tecra A5-122	Tecra A5-138	Tecra A5-155	Tecra A5-S116	Tecra A5-S416	Tecra A5-S516
Tecra A5-S6215TD	Tecra A6 Series	Tecra A6-104	Tecra A6-EZ6311	Tecra A6-EZ6312	Tecra A6-S513	Tecra A6-ST3112	Tecra A6-ST3512	Tecra A6-ST6315	Tecra A7 Series	Tecra A7-S612	Tecra A7-S712
Tecra A7-ST5112	Tecra S2 Series	Tecra S2-107	Tecra S2-128	Tecra S2-131	Tecra S2-155	Tecra S2-159	Tecra S2-175	VX/670LS

This battery can be used in these models:

TOSHIBA
M45-S165x	M45-S169 & M45-S169x)	Satellite M45 Series(except M45-S165