100%PeakPower Super Heavy Duty batteries are your choice when you need power you can rely on.These economical batteries utilise advanced technology to power up your devices safely and consistently 100% of the time. Ideal for clocks, radios and remote controls, 100%PeakPower Super Heavy Duty batteries come in AA, AAA, C, D, and 9V sizes. 100%PeakPower, 100% Great Performance!