9v battery: Equivalent, Specifications and Replacements

A 9V battery is a commonly used compact power source featuring a rectangular form factor and a nominal voltage of 9 volts. Here's some information regarding its equivalents, specifications, and possible replacements:


Equivalent Batteries: The 9V battery is also known as the E-block battery or PP3 battery, and it has various equivalents depending on regional and brand-specific naming conventions. Some of the common equivalents include:

DataSheet 9V-MN1604 PDF

Specifications: The following are typical specifications for a standard 9V battery:

  • Nominal Voltage: 9 volts
  • Chemistry: Most 9V batteries use a combination of zinc-carbon (ZnC) or alkaline cells. However, rechargeable 9V batteries can also be found using lithium-ion or nickel-metal hydride (NiMH) chemistries.
  • Capacity: The capacity of a 9V battery can vary depending on the specific chemistry and brand. Alkaline 9V batteries usually have a higher capacity than zinc-carbon counterparts.
  • Terminal Type: A 9V battery typically has a snap-style connector with a positive and negative terminal on the top.
  • Dimensions: The dimensions of a 9V battery are generally around 48.5mm x 26.5mm x 17.5mm (length x width x height).

Replacements: If you require a replacement for a 9V battery, you have several options:

  1. Alkaline 9V Battery: These are readily available in most stores and are suitable for general-purpose applications.
  2. Rechargeable 9V Battery: These batteries are reusable and can be recharged using compatible chargers. They are often available in lithium-ion or NiMH chemistries.
  3. Lithium 9V Battery: Lithium 9V batteries offer a longer lifespan and higher energy density compared to alkaline batteries, making them suitable for devices requiring long-lasting power.

When selecting a replacement for a 9V battery, it is crucial to consider factors such as voltage compatibility, capacity requirements, and the specific needs of the device you're powering. Always refer to the device's documentation or manufacturer's recommendations to ensure the appropriate battery replacement.

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