Feel free to contact us!
  020-86-39293119   I     sales@gubattery.com
News And Events
Home / News / What Is the Meaning of wh on a Battery-Meaning, Life, and Calculator?

What Is the Meaning of wh on a Battery-Meaning, Life, and Calculator?

Views: 213     Author: Hedy     Publish Time: 2023-07-20      Origin: Site


facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button
What Is the Meaning of wh on a Battery-Meaning, Life, and Calculator?

Energy storage applications have grown in popularity, ranging from small portable energy storage devices to large-scale storage systems. These lists usually measure and compare the quantity of energy that the systems can store at any given time. There are several battery capacity measurement units, such as Wh, mAh, Ah, and others, which might be confusing.

If you buy batteries frequently, you've probably seen them advertised in watt-hours. It is critical to note that when comparing watt-hours, it is simple to compare the capacity of different batteries without considering their voltage.

What Does WH on a Lithium Battery Mean?

(Wh) is an acronym for Watt-hour and is used in electrical applications to quantify the capacity of any specific battery. In layman's terms, it refers to the amount of energy stored in a battery. If you intend to travel with lithium batteries, you should be aware of their watt-hour rating. Shippers in the United States altered the norm for describing the energy of lithium-ion batteries from equivalent lithium content to watt-hours in 2015. Shippers are now only permitted to represent battery power in watt-hours under the new shipping rules.

A shipper must know the watt-hour rating of their batteries for the following reasons:

Shipping in a secure manner

Choosing their packaging

Labeling and identifying them

The watt-hours of a lithium battery are easily determined because they are indicated on the battery's casing. Since December 31, 2011, all modern lithium-ion batteries have visible watt-hour ratings. If your battery is older and you can't read the watt rating on the casing, you can figure it out by multiplying the voltage by the amp-hours. You should also look at the product documentation page for the battery's specs. If it does not appear elsewhere on the paper and you still cannot compute it, you can contact the manufacturer.

Do not assume since the batteries might pose risks; instead, contact the manufacturer for exact information and to avoid incurring fines. Remember that the most recent regulatory standards for exporting lithium-ion batteries do not permit the shipment of batteries with no watt-hour ratings.

What Does WH Stand For in Battery Life?

Battery life is a term used to describe the overall performance and lifetime of a certain battery. You may calculate battery life as follows:

The run duration of the battery after a full charge

Milliampere-hours supplied by the manufacturer

The number of charge cycles in a battery.

Dustproof, drop resistance, anti-corrosion, and anti-electromagnetic interference

To begin, a battery is made up of a collection of single cells that are linked together with an energy storage mechanism to allow the battery to work correctly. Energy storage devices and batteries quantify energy flow in and out of the battery using either (AH) or (WH). These energy storage devices range in size from basic batteries found in toys to huge systems such as a laptop battery.

Technically, (AH) is frequently used for batteries, whereas (WH) is frequently used for energy storage systems. Because users utilize numbers to discover existing relationships, (WH) is an excellent instrument for measuring conversion units in systems.

Furthermore, research has shown that Wh provides a more precise assessment of the energy contained in a certain battery. It should be noted that the watt-hour is not a formal unit of measurement; it only pertains to energy in electrical systems.

Wh may be calculated by multiplying a battery's voltage by the amount of Amps it can deliver for a certain number of hours (Voltage by Amps equals Watts). A 14V100, for example, indicates that the battery's voltage is 14 and its capacity is 100Ah (14 by 100 = 1400Wh). Assuming you pumped water into a balloon, (WH) would calculate the amount of effort and energy expended to fill the balloon with water.

WH Battery Calculator

You're probably wondering how long your brand new smartphone's battery will last; don't worry, the battery calculator will give you a reasonable estimate of its watts hour. The WH battery calculator is used to compute watt-hour rating using information from the battery's specs. It is a quick and easy calculation used by lithium-ion battery users to determine how long their batteries will last before draining. You may use the WH battery calculator's default mode, which assumes the battery will operate until the discharge time, or you can use the advanced parameters, which include the sleep mode.

We have a number of lithium battery PACK production lines, aging, capacity division and other production equipment and a large number of experienced industrial workers.


 Building 8, International Innovation Intelligent Manufacturing Park, Zhongcun Street, Guangzhou City, Guangdong Province
 020-86-39293119
​Copyright ©2023 Guangzhou Giant New Energy Technology Co., Ltd.   Sitemap