#Cr2 battery dimensions portable#
#Cr2 battery dimensions series#

The major problem with NiCad batteries in memory-i.e., it cannot get fully charged after each use. They work well in extreme hot and cold environments and usually last much longer than the other battery chemistry types. NiCad (nickel cadmium) batteries are the most robust of the 3. However, Lithium ion batteries are also known for their safety concerns.

#Cr2 battery dimensions portable#

They are known for packing tremendous amounts of energy, making them ideal for household electronics, portable devices, and vehicles. Li-Ion (lithium-ion) batteries are the most popular of the 3. There are three main types of battery chemistries-Li-Ion, NiCad, and NiMH. Polymer batteries look and function much like prismatic batteries but do not come with an exterior case. They are shaped like flat rectangles, but they have become less popular due to the high manufacturing costs and swelling potential. Prismatic cell batteries are the types of batteries found in old cell phones. However, it can also be the primary battery for products like wristwatches and car key fobs. Inside a cylindrical battery are multiple cells that provide power to household electronics.Ī button or coin cell battery is typically used to provide backup power to electronics, such as the battery found on a motherboard. There are four main battery cell types-button, cylindrical, polymer, and prismatic.Ĭylinder batteries are arguably the most widely used type of battery out there. To determine how often you will need to switch the batteries in a household electronic, take its amp rating and divide it by the battery’s amp-hour figure. A typical household battery can supply up to 3 amps of current per hour. Amp-HoursĪmp-hours measure a battery’s capacity. That is why you’ll find cordless power tools with 14.4V batteries and higher. A higher voltage rating means that the battery is equipped to handle more power-demanding tasks. Battery SizeĪpart from the physical size of a battery, what other specs should we be aware of? Voltageįor all intents and purposes, the “voltage” rating on a battery refers to how “strong” it is.

The IEC (International Electrotechnical Commission) has set in place various standard codes that encourage battery manufacturers to produce similar battery types at identical dimensions.īelow, I’ll provide a size chart that briefly describes the physical dimensions of household batteries and specialty batteries. This type of rechargeable battery can deliver up to and beyond 48 volts and 3 amp-hours at 220 watt-hours. The Battery Council International Standards (BCI), similar to the IEC, has standardized battery sizes into different groups, so batteries of identical sizes can be used interchangeably in the same products. They are typically rectangular cuboid in shape and are used for heavy duty applications, including powering lawnmowers, vehicles (such as 12v batteries), and cordless power tools & devices. Specialty batteries are considerably larger than household batteries. Household batteries are cylindrical or rectangular cuboid in shape. This type of battery usually has a power of up to 9 volts-usually between 1.2 and 1.5 volts-and has an amp-hour rating of between 2 and 3 (2,000 and 3,000 mAh) at 3.9 watt-hours. 9V batteries are also a common household battery size used almost exclusively for powering smoke detectors.

#Cr2 battery dimensions series#

The most common household battery sizes are, from smallest to largest, AAAA, AAA, AA, C, and D, as well as a series of button cells.

Household BatteriesĪ household battery is a battery that is used to power various household items, including but not limited to neon signs, remote controls, and touchless soap dispensers. In a general sense, we can split batteries into two categories-household and specialty batteries. However, before discussing the physical size and classes of a battery, it’s important that we familiarize ourselves with the various types of batteries. Battery Types and Sizesīatteries come in various shapes and sizes.

As per Battery Council International Standards, battery groups range in size from 9.4 × 5.1 × 8.8 inches to 13 × 6.8 × 9.4 inches.Īpart from the physical size of a battery, have you ever wondered what a battery’s specifications-e.g., voltage, amp-hours, Li-Ion, etc.-mean? If so, I invite you to continue reading since I’ll describe a battery’s specifications and much more in the following sections.

In order from smallest to largest in terms of physical size, the most common 1.5-volt batteries sizes are AAA, AAA, AA, C, and D. But what sizes do batteries come in?īatteries come in all different shapes and sizes. Without them, you’d have to get up and change the channel on your TV, and your computer’s time and date would be messed up every time you booted it up. Batteries, almost quite literally, make the work go round.