Li-ion Rechargeable Battery Buying Guide

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Li-ion Rechargeable Battery Buying Guide

Batteries are used in a wide variety of products on the market, and lithium ion rechargeable batteries  are amongst the newer kind of batteries available in the market. Consumers need lithium ion rechargeable batteries for use in electronic products, smartphones, pacemakers, and many devices used in everyday lives. Some of the advantages of using a lithium battery, also called a Li-ion battery, are that it does not lose charge quickly, and it is low maintenance compared to other batteries.

When purchasing a Li-ion rechargeable battery, it is important to understand the basics of this kind of battery as well as its many uses. Also, knowing how to care for and store this type of battery can make it last longer. Li-ion batteries are used in many products, and they are available at traditional retail shops. However, one can also find a large selection of these batteries online at a retailer such as eBay.

Basics of Li-ion Rechargeable Batteries

Li-ion battery packs come in various shapes and sizes. A Li-ion battery is made of a positive electrode, a negative electrode, and a separator. The positive electrode consists of lithium cobalt oxide, and the negative electrode is made from carbon. When a Li-ion battery charges, lithium ions move from the positive to the negative electrode. These ions then move back as the battery is used.

Uses for Li-ion Rechargeable Batteries

Consumers who are looking for batteries need to know what the Li-ion battery can be used with. One may be surprised to know how many popular electronic devices these batteries are used in. It is also important to know the formats that the battery comes in, so that one can make the right choice.

The variety of uses for Li-ion batteries include pacemakers, digital cameras, smartphones, watches, and other devices. Pacemakers have special lithium batteries that last for at least 15 years. Many digital cameras use lithium batteries because they last a long time, allowing the owner to take a large number of photos. Watches use much smaller Li-ion batteries, and many cellphones use these batteries as well.

Li-ion Battery Formats

Li-ion batteries come in different sizes and are very versatile. It is useful for the buyer to be aware of some of the basic formats these batteries come in.



Small cylindrical

Solid batteries, such as those that do not have terminals and are used in laptops

Large cylindrical

Battery with solid body with wooden terminals


Semi-hard plastic case that has large threaded terminals


Flat, softer body, such as those in cellphones

The formats of Li-ion batteries are based on the kinds of products the batteries are used in. Some of the different sizes for these batteries include AAA and 9V.

Advantages of Li-ion Rechargeable Batteries

Li-ion batteries are a popular choice for a number of reasons. Even though they are newer than other types of rechargeable batteries, Li-ion batteries are frequently used in laptops and other electronic devices. These batteries are popular because they do not require much upkeep, they tend to hold their charge, and they perform well.

Low Maintenance

Li-ion batteries tend to be low maintenance compared to other types of rechargeable batteries. The user should still take some precautions for the batteries to stay in top condition, but the level of maintenance is not as much as that required for Ni-Cad cells, for instance.

No Priming Required

When some rechargeable batteries are first used, they need to be primed. This refers to a type of conditioning cycle required for new batteries or for batteries that have been stored for a long period. Li-ion batteries do not require this, so it is easier for the consumer to use them.

High Energy Density

One of the great benefits of lithium ion batteries is their high energy density. This pertains to the way that devices such as mobile phones need to consume more power while lasting as long as possible. Thus, a lithium battery that lasts longer while maintaining performance tends to be more popular than other types of batteries.

Self Discharge

Self discharge refers to how batteries tend to lose charge over time. One advantage of Li-ion batteries is that they have a low self-discharge rate compared to other batteries. As with other types of batteries, Li-ion batteries do start losing their charge after about a year or so. However, this is not bad when compared to other options that lose charge faster.

Maintenance for Li-ion Batteries

Although Li-ion batteries do not need as much maintenance as other types of rechargeable batteries, they still need some care to stay in good condition. Additionally, it is a good idea to store the batteries properly to avoid damage to them.


Li-ion batteries can be somewhat fragile, and the consumer should keep them away from extreme temperatures, as the maximum charge and discharge happens between one and two degrees Celsius. These batteries usually have a life of between four and five years. In order to get the most out of an Li-ion battery, the owner can maximise the life by keeping the device on the charger whenever possible, whether it is being used or not.


Part of properly caring for Li-ion batteries includes knowing how to store them. This type of battery can hold a charge for months, and it is a good idea to store them partially or fully charged. This is because, when a battery that has a low charge is stored for a long period of time, its voltage drops below the levels where the built-in safety mechanism lets it be charged again. Thus, if a buyer needs to store an Li-ion battery for months at a time, it is a good idea to take it out every few months and recharge it.

Buying Li-ion Rechargeable Batteries on eBay

If you are looking for Li-ion rechargeable batteries on eBay, you can benefit from a number of useful search tools on the website, including its deals page. A great way to begin the search is by using basic keywords. Enter applicable keywords, such as "lithium ion battery", into the search box found on any page on the website. If it turns out there are too many product listings for you to look through, you may find it useful to use the categories on eBay, such as price, product type, or brand, to narrow down your options.

Prospective buyers on eBay are well advised to get all their questions answered by looking at the product descriptions provided and by asking the seller, if need be. Additionally, it is important that you take the time to review the sellers' background before initiating purchase orders on eBay. Working with a seller with a great track record is a way to ensure confidence in your transactions on the website.


Li-ion batteries are rechargeable batteries that use a newer technology, and they are used in a variety of electronic devices available on the market. The batteries come in a number of sizes and can be found in everything from pacemakers to laptops or cellphones. Li-ion batteries are popular because of the advantages they hold over other styles of batteries. They perform better, losing charge slower than other batteries. Although Li-ion batteries last four to five years on average, a buyer can maximise their lifespan with proper care, such as charging them regularly if they need to be stored for a long time. The many useful functionalities on eBay enable consumers to access a large inventory of Li-ion batteries through the website.

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