Manufacturer No. p675+E014005. AZA 675, A 675, 675HPX, DA675, AC 675, 675, 675DS, ZL1, A675, PR 675, 4600, 675AE, 675A, ZA 675, S 675, S675, ZA675, p675. Power One is the result of VARTA Microbattery’s focus on high-tech premium hearing aid batteries.