2-pack This battery is suitable for CD players and other devices that consume a lot of power. Other names for this battery are: 814 (Smartline) 4014 (Smartline) 7522 (Smartline) 135-99-199-4779 (Smartline) 14A (Smartline) 14AC (Smartline) 14AU (Smartline) 6135-00-117-3212 (Smartline) 6135-99-605-6659 (Smartline) AM2 (Smartline) AM-2 (Smartline) BA-3042/U (Smartline) BA-42 (Smartline) BABY (Smartline) Bébielem (Smartline) C (Smartline) E93 (Smartline) HP11 (Smartline) HP-11 (Smartline) KC (Smartline) LR14 (Smartline) LR14A (Smartline) LR14N (Smartline) Mezza Torcia (Smartline) MN1400 (Smartline) MX1400 (Smartline) Pila Mediana (Smartline) Pilha media (Smartline) Pin Trung (Smartline) R14 (Smartline) R14P (Smartline) UM 2 (Smartline) Some toy manufacturers have their own battery designations which they sometimes write in their user manuals. These are as follows: A = D (R20, LR20) B = C (R14, LR14) C = AA (R6, LR6) D = 9V (6F22, 6LR61) E = AAA (R03, LR03)