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Battery Education


What are the differences between battery types?
In simple terms, batteries come in two basic types: single-use and rechargeable.

Single-use batteries, also known as primary batteries, have one life cycle and must be replaced when drained. Examples include alkaline, carbon-zinc, lithium, silver-zinc and zinc air.

Rechargeable batteries, also known as secondary batteries, can be recharged and used repeatedly, Examples of rechargeable batteries include Nickel Metal Hydride (NiHM), Nickel Cadmium (NiCd), Lithium Ion (LiIon) and Sealed Lead Acid (SLA) batteries.

Rayovac Heavy Duty

  • Best for low-drain household electronics
  • Great for remotes

Rayovac Alkaline

  • Best for household electronics
  • Most Popular long-lasting power source
  • Very good shelf-life - up to 7 years

Rayovac Lithium

  • Best for high/drain-tech devices
  • High performance battery for the devices you rely on
  • Great storage life - 10 years
  • 33% lighter than alkaline systems

Rayovac Rechargeables

  • Best for frequent use/high drain devices
  • Recharges 100's of times
  • Ready-to-use out of the package