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Camera Batteries

Learn About the Different Camera Battery Types

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Camera Batteries

Li-Ion batteries, such as this model from Canon, are commonly used in most of today's digital cameras.

Canon
Depending on the manufacturer, different types of digital cameras use different types of camera batteries in their systems. Learn about the different camera batteries by reading below.

  • Disposable AAs. For cameras that use AA batteries, disposables should only ever be used in an emergency when no charger is available. They are too expensive to use every day. Try carrying disposable lithium AAs for emergencies. They are more expensive, but they hold three times the charge and weigh about half as much as standard alkaline AA batteries.
  • Rechargeable AAs (NiCd and NiMH). Nickel Metal Hydride (NiMH) batteries are more efficient than the older Nickel Cadmium (NiCd) batteries. NiMH batteries are more than twice as powerful, and they also have no "memory effect," which is the effect that builds up if you re-charge a NiCd battery before it's fully discharged. The memory effect essentially reduces the maximum capacity of future charges, and the memory effect becomes worse if repeated.
  • Rechargeable Lithium-Ion (Li-Ion). These are the most commonly used style of battery in digital cameras, particularly in DSLRs. They are lighter, more powerful, and more compact than NiMH batteries, but they do cost more. Li-ion batteries come in brand-specific formats, although a few cameras accept disposable lithium batteries (such as CR2s) via an adapter.
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