The CS-TPH200AF is the best replacement battery for the Toto Eco EFV TEL3GCCN-10 TEL3GCCN-60 TEL3GGC-10 TEL3GGC-60 TEL3GKCN-10 TEL3GKCN-60 TEL3GMY-60 TEL3GSC-10 TEL3GSC Automatic Flusher Battery.