B Size Battery: Why They're Rare in Stores and What's Replacing Them

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A Boy in Yellow Polo Shirt Holding a Battery Operated Toy while Smiling at the Camera
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B Size Batteries are a rare sight in stores these days.

The B size battery is no longer a popular choice for many devices.

They were once commonly used in devices like cordless phones and some toys, but have largely been replaced by newer battery sizes.

The D size battery, for example, has become a more popular alternative.

What is B Size Battery

A B-size battery is a type of battery that was once widely used in early electronics, particularly radios, flashlights, and military equipment. It's a 1.5-volt cell that's thicker than an AA but slimmer than a C cell.

The B-size battery was part of a naming system that went from A to D, with each letter indicating a different size. This system was standardized by the National Electrical Manufacturers Association (NEMA) and the International Electrotechnical Commission (IEC).

The B-size battery was never as popular as the AA or D batteries, which were widely used in portable electronics and medium-sized tools. This lack of popularity is likely why you won't find B-size batteries on store shelves today.

Here's a comparison of the different battery sizes:

Why No Batteries in Stores?

Credit: youtube.com, Why aren't there "B" batteries? - Big Questions - (Ep. 226)

B size batteries are no longer widely available in stores because they fell out of demand. As technology advanced, devices became more compact and efficient.

Manufacturers stopped producing B batteries for the consumer market because retailers prioritize stocking products that sell consistently. B batteries weren't flying off the shelves.

Retailers only stock products that meet a certain level of demand, and B batteries didn't meet that threshold. This led to a decline in their production and availability.

In the past, B batteries were a common size, but they're no longer needed for most modern devices.

For more insights, see: Battery Charger for D Size Batteries

Modern Battery Production and Alternatives

Mainstream brands like Duracell or Energizer no longer produce B-size batteries.

You can still find B batteries online through specialty retailers, but it's worth noting that even in these cases, users often retrofit devices to use more common battery sizes or rechargeable lithium alternatives.

Some military equipment and scientific devices still require B batteries, but it's not a common occurrence.

Modern Battery Production

Credit: youtube.com, How Sodium-Ion Batteries May Challenge Lithium

Mainstream brands like Duracell or Energizer no longer produce B-size batteries.

You can still find B-size batteries in industrial and specialty markets, but they're not as widely available as they used to be.

Some military equipment and scientific devices still require B-size batteries, and you might be able to find them online through specialty retailers.

Users often retrofit devices to use more common battery sizes or rechargeable lithium alternatives.

You can still find B-size batteries in industrial and specialty markets, but they're not as widely available as they used to be.

Modern Alternatives to Batteries

If you're looking for alternatives to traditional batteries, there are several options available. C-size alkaline batteries are a popular choice, as they're often compatible with devices that originally used B-batteries.

One option to consider is 18650 lithium-ion cells, which are commonly used in flashlights and DIY electronics projects. They offer a high energy density and are a great choice for devices that require a lot of power.

Credit: youtube.com, Sodium-ion batteries are a valid alternative to Lithium-ion batteries

14500 lithium cells are another option, which are similar in size to AA batteries but have a higher voltage. This makes them a great choice for devices that require a bit more power.

If you're looking for a custom solution, you can consider designing a custom lithium battery pack for your specific project or device. Adapters and converters are also available to retrofit older devices to use modern cells safely.

Here are some modern alternatives to batteries:

  • C-size alkaline batteries: Slightly larger, often compatible with old B-battery devices.
  • 18650 lithium-ion cells: Common in flashlights and DIY electronics.
  • 14500 lithium cells: Similar in size to AA but with higher voltage.
  • Custom lithium battery packs: Designed for specific projects or devices.

Part 4: Poor Timing

The B battery's downfall can be attributed to poor timing. It worked just fine, but it was caught in the middle of a technological shift that made it obsolete.

As devices began shrinking in the mid-1900s, the B battery's size made it too bulky for small devices. The transistor revolution made electronics smaller and more efficient, allowing devices to run on AA or AAA cells instead.

The National Electrical Manufacturers Association (NEMA) and the International Electrotechnical Commission (IEC) had standardized battery sizes, which included the B battery. However, it never gained popularity due to its size.

Close-up of a Canon battery and charger on a wooden table with a blurred background.
Credit: pexels.com, Close-up of a Canon battery and charger on a wooden table with a blurred background.

Here's a brief look at the standardized battery sizes:

  • A: Small but not widely used today
  • AA: Slightly smaller than A, became standard for portable electronics
  • AAA: Even smaller, now used in remotes and compact devices
  • B: Mid-sized, never gained popularity
  • C: Larger and used in toys or medium-sized tools
  • D: Big and powerful—ideal for flashlights and radios

The B battery's size made it too bulky for small devices, while its power wasn't sufficient for large gear. As a result, manufacturers stopped designing around it, and it eventually disappeared from the market.

PP Series

The PP series, manufactured by Ever Ready in the UK and Eveready in the US, consisted of multi-cell carbon-zinc batteries designed for portable electronic devices. Most sizes are uncommon today, but the PP3 size is still readily available.

The PP series had various sizes, including PP1, PP3, PP4, PP6, PP7, PP8, PP9, and PP10. Each size had its own unique dimensions and features.

The PP4 battery, for example, was cylindrical and had a typical capacity of 226mAh. It measured 9mm in height and 25.5mm in diameter. In contrast, the PP6 battery was rectangular and had a center distance between terminals of up to 12.95mm.

The PP7 battery, which had a typical capacity of 266mAh, measured 63mm in height, 46mm in length, and 46mm in width. Its center distance between terminals was up to 19.2mm.

On a similar theme: Lipo Battery Dimensions

Credit: youtube.com, CATL launched a new sodium battery with a 5-million-kilometer lifespan that will take over lithium

Some PP series batteries, like the PP8, were used in electric fencing applications. The PP8 battery, also known as the "Fencer", had two snap connectors spaced 35mm apart.

Here's a list of some of the PP series batteries mentioned in the article:

The PP series batteries were designed for specific applications, and their unique features and dimensions reflect this.

Amy Martin

Senior Writer

Amy Martin is a seasoned writer with over a decade of experience in various industries. She has a passion for creativity and enjoys exploring different perspectives on life. Amy's work often inspires readers to think outside the box and embrace new ideas.

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