Varta Primary Silver Battery V28 PX / 4 SR 44, Nickel-Oxyhydroxide (NiOx), 6.2V, 145 mAh-Single Pack, Retail Box Product OverviewThe Varta Primary Silver Battery V28 PX / 4SR44 silver-oxide cell are commonly used in cameras (such as the Minox 35ML, Bronica GS-1 and Canon AE-1), light meters and blood sugar testers. These high voltage batteries are also used primarily in remote controls for car central locking systems, garage door openers, etc. It is a popular replacement for the now discontinued PX28 mercury battery. These mercury batteries, no longer manufactured because of their toxicity, were variously known as PX28, 4MR44, V4034PX, 4H-C, 4NR44, HM-4C. It has a shelf life of 8 + years,. This Silver Oxide cell has exactly the same dimensions as the alkaline 4LR44s, but has a longer battery life. You can always use this silver oxide 4SR44 battery in place Replacement Battery for the following model numbers 4LR44,4SR44, V28PX, PX28, 544, KS28, RPX28, S1325S, S1325, PX28-S, 1406SOP and Kodak KS28 Batteries FeaturesFor your car alarm, calculators, photo cameras and remote control , garage door openers, etc.Precise energy, perfectly aligned to the different functions of video, photo, and electronic devices Specifications Stock Code: 4008496273911 Description- Varta Primary Silver Battery V28 PX /4SR44 Also Known as -Varta V28PX silver oxide battery 6.2 V type 4028 Technology-Silver oxide Size -V28PX Type -V28PX Voltage-6.2 V Category-Camera battery , car central locking systems Capacity -145 mAh Dimensions 13 mm Diameter Height 25.2 mm Weight -11.1 g Content -1 pc(s)