Do Rechargeable Batteries Hold Their Charge When Not in Use?

AimforCent : Rohan
4 min readMay 3, 2023

From smartphones to laptops, rechargeable batteries are a popular choice for powering a wide range of devices. Customers have been using these for years, but one of the most common questions people have about rechargeable batteries is whether they hold the charge when not in use. In this post, I am going to tell you in detail. I hope this post will resolve all your queries; still, if you have any questions, feel free to comment below.

5 Significant Factors that Affect Battery Charge

Before diving into the main topic, I think you should learn about the factors that affect the battery charging process and overall performance. Here are some of the most common factors:

Type of Battery

Different types of rechargeable batteries have different charging and discharging characteristics. For example, lithium-ion (Li-ion) batteries have a higher energy density than nickel-metal hydride (NiMH) batteries, which means they store more energy and last longer between charges.

Age of the Battery

Over time, rechargeable batteries lose their capacity to hold a charge because the materials inside the battery degrade over time, reducing the amount of energy it stores.

Temperature

Extreme temperatures also affect the performance of rechargeable batteries. High temperatures usually cause the battery to degrade faster, while low temperatures reduce the battery’s capacity, causing it to discharge more quickly.

Frequency of Use

Rechargeable batteries that are used frequently will need to be recharged more often than those that are used less frequently. Even in EV cars, many users plug the system to charge the battery. It is also true for your smartphone. If you do not use the smartphone, does it lose the charge? Yes. That means you have to charge the battery frequently for optimized performance.

Charging Method

The method used to charge the battery also affects its overall charge. For example, fast charging reduces the battery’s capacity over time, while slow charging helps preserve its capacity.

Do Rechargeable Batteries Hold Their Charge When Not in Use?

The short answer is yes, rechargeable batteries do hold their charge when not in use, but the amount of time they hold a charge will depend on several factors that I have already discussed above.

How Long Do Rechargeable Batteries Hold Their Charge When Not in Use?

The amount of time rechargeable batteries hold their charge when not in use varies depending on several factors, including the type of battery, its age, and how it has been stored. Here are some general guidelines for how long different types of rechargeable batteries hold their charge when not in use:

Nickel-Cadmium (NiCad) Batteries

NiCad batteries have a relatively short life span and lose their charge quickly, especially if they are not used frequently. Typically, NiCad batteries hold their charge for a few weeks to a few months when not in use.

Nickel-Metal Hydride (NiMH) Batteries

NiMH batteries have a longer lifespan than NiCad batteries and hold their charge for longer periods. Generally, NiMH batteries hold their charge for several months when not in use.

Lithium-Ion (Li-ion) Batteries

Li-ion batteries have the longest life span of all rechargeable batteries and hold their charge for several months to a year when not in use. However, it is important to note that Li-ion batteries also lose their capacity over time, even when not in use.

How to Maximize Battery Life When Not in Use?

Do you want to optimize the battery performance? Do not miss this segment. Here I am going to tell you some suggestions to maximize the life of your rechargeable batteries even when not in use.

  1. Store the battery in a cool, dry place away from direct sunlight and heat sources. High temperatures cause the battery to degrade faster, while low temperatures reduce the battery’s capacity and cause it to discharge more quickly.
  2. Store the battery with a partial charge rather than fully charged or completely drained. A partial charge (around 40–60%) helps prolong the battery’s life.
  3. Check the battery’s charge every few months and recharge it if necessary to maintain its overall capacity.
  4. Avoid using fast charging methods unless necessary. Fast charging reduces the battery overall lifespan and capacity over time. If possible, use a slow charging method to preserve the battery’s capacity.
  5. If you are storing the battery for a long time, consider removing it from the device and storing it separately. It prevents any parasitic drain on the battery.

I hope you will follow these suggestions next time when you are storing your rechargeable batteries for a few months or years. Have time? Bookmark this post now or read my other posts to learn more about how to optimize rechargeable battery performance.

Originally published at https://www.aimforcent.com.

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AimforCent : Rohan

AIM for Cent means Aim for achieving 100%. Here We provide motivational quotes, stories, product review, and many more.