Are All 9 Volt Batteries The Same?
Are All 9 Volt Batteries The Same? No, unfortunately there are very small differences in size of 9 volt batteries, even in brand name 9v batteries such as Energizer (or Energizer Industrial) and Duracell (or Duracell Procell). However these standards still allow for varying in size for a 9 volt battery. … Do smoke alarms