Cochlear Implant (CI ) speach processors require 675+ (light blue, green or grey sticker) batteries, made especially for CIs. These batteries can provide the necessary power CI speach processors need to function. This size / type of battery can be used in instances where one of the following batteries has been recommended: PR44, LR44, B6754, B900PA, DA675H, DA675N, 675HP, 675HPX, AC675E, AC675EZ, AC675, 675UP, 675DS, ME9Z, PR675, P675, L675ZA, 675AE, 675A, R675ZA, ZA675, 675SA, S675A, PR675, V675, V675HP, W675ZA, A675P, ZL675.