Why wearable devices design engineers choose PD lithium polymer battery?

“Smart wearable devices with lithium polymer battery.”
Today our time is more and more different from what it looked like in the past decades, we are in a fast changing world with smart AI technology. New wearable devices come to our life everyday,tens of thousands of different wearable devices are pushed into the consumer market,they are now part of our daily life. As an important accessory,the lithium polymer battery plays a key role in the design, it can be considered as the device ” heart”, why do engineers choose this battery?

December 17th, 2018 – With the fast development of science and technology,people’s pursuit for more convenient and intelligent lifestyles is increasingly eager. Smart wearable devices have become hot topic. led by the original Bluetooth headset application, many new smart devices have emerged. Especially after Google launched smart glasses, R&D and production of wearable devices is developing incredibly fast. Many countries have launched sports bracelets to monitor physical health indicators, medical monitoring Bluetooth devices, headset VR glasses, smart watches that can talk and use the Internet function, smart rings, smart necklaces, smart cards, anti-lost tracking devices, and more.

          

The characteristics of the smart wearable device are: small size, diversified shape, high energy, high power, high intelligence and high safety. With so many features to be combined together at the same time, requirement for the built-in battery is high.The most popular and widely used battery for design engineers is lithium polymer battery. Because the advantages of lithium polymer batteries perfectly fit the high standard requirements of smart wearable devices for power demand.

Why is lithium polymer battery?

First of all, the safety of lithium polymer battery is one of the highest among all rechargeable lithium batteries, especially for small sizes. Compared to metal shell lithium-ion batteries, lithium polymer batteries are not easy to explode. Even with improper use or at the end of life, it rarely burn, explode. For example, PD, a well-known lithium polymer battery manufacturer, has a safety laboratory that do a variety of destructive tests such as acupuncture, shock, short circuit, and high temperature to ensure that there is no safety problem,this makes a safety record without any accident for ten years.Extremely high safety is critical for smart wearable devices which works so close to human body. It is beleived that the high safety of lithium polymer batteries is the most important reason why designers like it best among all batteries.

Secondly, the polymer lithium battery has high design flexibility.

Different from cylindrical and square metal shell batteries, it uses a soft packaging of aluminum plastic film, which can be designed into various conventional and special shapes according to needs. It can be made into a standard square shape, and can also be curved, arc-shaped, round-shaped, cylindrical, ultra-thin, ultra-narrow, ultra-small, even more complicated shapes. These options are almost impossible for metal-shell battery, The divisions are very excited because it means they have more free design space and can expand the original limited ideas to create amazing wonderful products. They are free to turn their imagination into reality.

Thirdly, Lithium polymer battery has an important advantage on energy density.

PD polymer battery energy ratio reaches 600WH / L, with the same volume, its capacity can be100%~200% higher than the NiMH battery, and NiCa battery, 30~40% higher than lithium-ion cylindrical battery. This means The use of polymer lithium batteries can significantly extend product work time without changing the battery space. People don’t need to worry about the short operating time due to limited battery power. It is worth mentioning that the high energy ratio of the polymer battery also gives it another advantage, that is, smaller size and lighter weight, which can greatly improve the wearing comfort of the device user. At this point alone, polymer batteries can considerably enhance the user’s consumption experience, how can designers miss such as good battery like lithium polymer battery?

Four, polymer batteries are also very advantageous in terms of voltage.

Compared to NiMH battery, NiCa battery and other batteries, its operating voltage has an overwhelming advantage. The nominal voltage of a single-cell polymer lithium battery is 3.7v, which is equivalent to three pcs of 1.2v NiMH and NiCa battery cells. To achieve the same voltage, three times amount of NiMh batteries are required, which will undoubtedly greatly increase the space requirement of the battery for the device, and occupy the limited device space.

Five, Lithium polymer battery has very good high current discharge performance.

Under normal circumstances, it can work with 0.2C, 0.5C, or even 1C continuous current. With custom high rate design, it can work with even 20C or higher rate discharge. This is very attractive feature for smart wearable devices that have an increasing demand for high operating current due to the more and more APP functions.

Six, LiPo battery is very convenient to use.

Traditional small-application batteries like NiMH and NiCa batteries have a very bad disadvantadge, they have memory effect during using. People always have to discharge the battery fully before begin recharging process, and they must charge fully before discharging the battery. It is to avoid capacity lose, but the process is not friendly to users very much. But it’s quite different for lithium polymer battery,it doesnt have memory effect at all, you can charge and discharge anytime,isn’t it much more convenient?

Finally, polymer batteries are very environmentally friendly green energy.

The production and use of polymer batteries does not contain any pollution factors. There are no heavy metals such as lead, cadmium, mercury and sulfuric acid, which will pollute the environment and water sources. Nowadays almost all governments are launching more and more policies to protect envirenment, no polution has become a must condition to enter different markets. The designers of smart wearable devices will also pay attention to the environmental issues of the products themselves, then it makes sense to serve the market and and benefit consumers in long run.

As a high-end lithium polymer battery manufacturer and key supplier for global market, PD (Padre Electronics-pdbattery.com) has been serving the smart wearable device and mobile electronic device application market for over ten years. The polymer battery produced by PD has high safety, high energy ratio, small size, light weight and diversified shapes, customized features, good discharge ability, and great temperature resistant performance. The company established new R&D base for wearable device batteries in Huizhou city of Guangdong China. Being equipped with high-end automated manufacturing equipment from Korea and Japan, PD technical team includes professors from key materials engineering universities, and battery experts who have 20 years experience in battery industry. The new production base has been certified by ISO9001, ISO14001, OHSAS18001 systems. The batteries has passed FCC, REACH, UN39.3, CB, ROHS, KC, CE, UL, etc.10 million responsibility Insurance was purchased for the product.

Video Link: http://www.youtube.com/embed/V-M1pWTDFVI

Excellent design and production capacity, efficient and professional support services, has won PD worldwide good reputation. In the future, PD will work harder to create better batteries to serve the world, and do its part for the intelligent future. For details, please visit the PD official website below.

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