Key benefits of lithium ion vs lithium polymer battery

14 Oct, 2022

By hqt

Lithium ion vs lithium polymer battery

What exactly is lithium ion vs lithium polymer battery?

For portable gadgets, batteries are necessary. They come in various sizes, forms, and chemical compositions. Lithium-ion (Li-ion) and lithium-polymer batteries are the two types of portable electronic batteries that are most frequently used (Li-poly). The natural electrolyte found in the negative and positive electrodes of lithium ion and lithium polymer battery is the critical difference in the middle of the two types of batteries. Unlike lithium-ion batteries, which utilize a liquid electrolyte, lithium-polymer batteries employ a dry, solid electrolyte that resembles gel. These batteries are ideal for portable gadgets. In addition to having some advantages over li-ion batteries, li-polymer batteries also have a lower weight and a higher discharge rate. Cell phones, laptops, and power tools are a few used products.

Lithium ion and lithium polymer battery breakthrough:

A chemical medium is a chemical medium between the positively and negatively charged electrodes of li-ion batteries and lithium-polymer batteries. It is the main distinction between the two types of batteries. When contrasting lithium ion vs lithium polymer battery, the following factors should be taken into consideration: 

  • A Li-ion battery is a type of rechargeable set that initially gained popularity. It consists of a collection of highly stiff electricity-producing sections made up of triplet components: a +ve electrode, a -ve electrode, and an electrolyte.
  • Most li-ion sets, unlike more conventional ones, also feature an electric device that controls energy and flow of discharge to stop overheating or explosion of the battery.
  • It is not a liquid in Li-Po batteries. A dry-up solid, which was mainly abandoned for the duration of the development of li-pol batteries, a permeable chemical combination, or an electrolyte that resembles gel, are the three forms that Li-Po technology uses instead. The latter, the battery kind in more recent personal computers and electric vehicles, is the most widely used. 
Lithium ion vs lithium polymer battery

The critical distinction in the middle between lithium ion and lithium polymer battery:

The difference between lithium ion vs lithium polymer battery are as follow in given below:

  • Pricing: 

Li-ion batteries are widely used nowadays for various reasons, one of which is their affordable price. The cost of lithium-ion batteries has almost been cut in half thanks to new technologies, and because they have been around for a while, making them is generally much simpler. The manufacturing costs of lithium-polymer batteries are marginally higher if you directly compare pricing since they are less frequently used in less expensive electronics. 

  • Energy Density:

The term "power density" describes how much energy battery stores about its weight. As a result, the operating period of a battery with a higher power density will be longer. Compared to lithium-polymer batteries of comparable size, lithium-ion batteries can hold up to four times the charge. Because of this, they are more appealing for use in small electrical devices. Lithium-polymer batteries, however, typically need to be protected by a hard or soft shell cover. They get bulkier, as a result, rendering them useless in smaller devices.

  • Safety:

The strong packing of lithium-polymer batteries makes them generally safer than their lithium-ion cousins. Hazards are lessened by the ability of a hard-shell Li-Po battery to withstand external pressure. That is one of the reasons that most electronics with lightning-fast charging typically have lithium-polymer batteries inside. A Li-Po battery's electrolyte gel is less likely to leak than a Li-Ion battery.

  • Rate of Passive Discharge:

A Li-Po battery-powered device will discharge exceedingly slowly. Li-Po batteries have a significantly lower passive discharge rate than Li-Ion batteries, so you don't have to be concerned about your device losing power when it isn't in use. Li-Po batteries can be stored for a more extended period than Li-Ion batteries can.

  • Versatility:

Lithium-polymer batteries are highly adaptable, which is a little-known advantage. You can purchase Li-Po batteries for hobby-grade drones or RC vehicles and use them in computers, power banks, and mobile phones. In general, lithium-ion batteries last longer than lithium-polymer ones. Compared to lithium-polymer batteries, which have a far shorter lifespan, a typical lithium-ion battery can last two to three years. This is due to the gel-based electrolyte in Li-Po batteries starting to solidify. 

Which one do you pick?

  • There aren't many options available for you to choose from because the majority of new smartphones come with Li-ion batteries. For power banks and computers, though, doors are still open. Power banks or laptops with Li-polymer batteries can be a better option if you frequently travel or operate in demanding conditions because of their lightweight and rigid design. 
  • On the other hand, Li-ion battery devices may be ideal for you if you prefer your gadgets to be svelte and have more power when you're on the go. A memory effect is when batteries lose their ideal capacity for recharging. 
  • You can recharge your batteries even after partial discharges because li-ion batteries do not tolerate the memorial cause. Li-polymer batteries are lighter and more rigid. Because they resemble gel, these batteries are also less likely to leak. 
  • However, these batteries cannot get around the memory effect problem. The lifespan is shortened as the gel-like substance becomes more challenging over time. 
  • These batteries are often huge since they cannot store much power in small packages. The easiest illustration of this is your standard laptop battery, which often needs to be replaced after a set amount of time.


Two of the most common battery kinds on the market right now are lithium ion and lithium polymer battery. So, before making a purchase, it's crucial to know which one will work best for your needs. JIEYO is confident that one of our many items will meet your needs, given our selection. We only sell authentic products, and the brands we use are reliable. We only offer products that have undergone testing and certification. We put a lot of effort into fulfilling client requests. Contact us immediately!