Definition
"Energiser" is simply an alternative spelling of "energizer," meaning something that provides energy or vitality. It can refer to a device like a battery that powers electronic equipment, or something that boosts your mood or physical energy, like a motivational speech or a caffeine jolt. Think of it as a power-up in a video game that temporarily increases your strength or speed. Energizers can be tangible or intangible. The term is often associated with increased activity and enthusiasm.