Toshiba A23s Battery. Replacement for 23A, 23GA, A23, E23A, GP-23A, GP23A,
K23A, L1028, LR23A, LRV08, LRVO8, MN21, MS21, V23, V23GA, VR22. A battery
designed by Japanese engineers, which meets the highest standards of modern
button batteries. Has a very long shelf life, a wide range of safe operating
temperatures and is resistant to leaking.