23A alkaline batteries used the international advanced laminated technology, compared with the general 12V battery is different. If your Device Uses any of the Following Batteries, This is What You are Looking for : GP23AE, 21/23, A23S, 23A, 23AE, V23GA, MN21B2PK, A23bpz, MN21, GP23A ,LRV08, L1028, RVO8, MS21, E23A, K23A, 8LR932, 8LR23, VR22, 8F10R, EL12, 23GA.