Steel-Shell vs. Soft Pack Coin Cell Batteries for TWS Earbuds: Which is Better ?

时间： 2023-06-28 来源：Grepow News

技术问答

TWS headset is a true wireless Bluetooth headset, the main feature is no physical wire, easy to carry, and cordless prompted TWsheadset needs rechargeable batteries, including a pair of headset batteries and a charging bin battery, accounting for about 10%-20% of the total cost, is a key component that affects the range and a variety of performance, The mainstream TWs headset battery types currently on the market are steel-cased button batteries and soft pack button batteries. The two have differences in the amount of charge, shape, and many other aspects, so TWS headphones with Steel-Shell or Soft Pack Coin Cell Batteries cells are good.

Steel-cased button cells or the soft-pack ones, which is better for wireless earbuds?

In general, TWs headphones batteries will account for 10% to 20% of the cost In the TWS headset composition structure can be found, whether it is the battery compartment or headphones that have a battery figure. The performance of the battery will largely affect the level of endurance of TWS headphones, which is also the point of greatest concern to consumers.

TWs headset batteries are divided into soft-pack batteries and steel-cased button batteries. Soft-pack coin batteries have the advantage of lower cost, but due to lower space utilization, and placed in the earbuds with limited space also need to consider whether the battery expansion will bring pressure to the surrounding components, the need to reserve space for expansion bulge. Fast charging can also cause uncontrollable explosions and other safety issues.

Button battery manufacturers are finding new opportunities in the disadvantages of soft-pack batteries. Previously, AppleAirPods Pro used a button li-ion battery also which caused industry manufacturers to follow.

At present, the mainstream TWS headset battery manufacturers are Grepow, VARTA, Chongqing Ziian, Ganfeng Lithium, Dongguan New Energy, Yiwei Ithium, etc. Among them, VARTA started to enter the TWs earbuds area in 2010, launching Cperies rechargeable coin batteries, and now has become the head supplier in the industry, with products entering the supply chain of Apple, Bose, and other brand manufacturers.

VARTA China sales manager Wang Weigang introduced in his public speech that VARTA coin cell batteries have five major advantages such as high energy density, fast charging capability, reliable cycling performance, robust battery casing, and renewable energy. In terms of energy density, new materials, and technologies will be introduced to improve device runtime or add more functions.

Fast charging has gradually become the standard feature of today's TWs headphones. In order to better achieve the fast charging function, Grepow launched fast-charging button cells that can meet 5C fast charging, which has a very high charging current and supports a maximum charging voltage of 445V.

Low power consumption is also TWS headset upstream and downstream manufacturers in the pursuit of performanceInformation shows that in order to achieve a higher level of endurance, the lithium-ion coin cell battery of Grepow is also constantly iterating, its GRP1254 high-capacity series coin cell battery has been upgraded, from 70mAh, upgraded to 77mAh, to achieve an increase in battery capacity The series adopts NMC teary technology, which has excellent cycle life performance.

TWS headphone brands and battery manufacturers of steel-cased buttons

The TWS headphone market figures are always exciting. In 2021, the global market for TWS headphones shipped about 300miion units, which means at least 600 million batteries will be needed. In the same year, Varta's annual production capacity is 100milion units, The huge market has led domestic and international battery manufacturers to launch expansion plans to meet market demand while increasing their market share as much as possible. Today, Varta's production capacity for Bluetooth headsets has reached 300 million units.

At present, there are already several TWS headphones with button batteries, including Vivo TWS 3, Marshal Marshall Mode iRedmi Redmi AirDots3 Pro, and so on, According to the publicly available information. Vivo TWs 3 true wireless noise-canceling headphones and OPPO Enco X true wireless noise-canceling headphones both use button batteries from MicroPower New Energy and MicroZone Electronics respectively. Grep, Nanfu, and other companies have also launched high-end TWs headphones for Tw.headphones with special rechargeable button batteries.

For battery manufacturers such as Grepow, Varta, Ganfeng Lithium, Nanfu, etc, the explosion of the TW/S market has brought them great growth opportunities, especially for players who are entering both battery compartment batteries and headphone batteries. Of course, the competition in the market is also fierce.

The above is the introduction of TWS headphones with steel-cased button batteries or with soft pack button batteries, from the above introduction can be seen in the current market TWS headphones with steel-cased button batteries have become the mainstream of the market.

But whether it is a steel-cased button cell or a soft-pack button cell, we should choose a reliable quality button cell supplier.

Grepow, as one of the rechargeable button cell manufacturers, has continuously launched high-performance new rechargeable coin cell batteries by upgrading iterative technology and forming a patent group of core technology to realize the matching upgrade of production capacity and process, including GRPO854, GRP8525, GRP9550, GRP1025, GRP1054, GRP1224, GRP203, GRP2432 to help the development of the audio and smart wear market, only in this way, to ensure that the battery of TWS headphones can be stable and reliable operation.

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本文由翊翊所思转载自Grepow News，原文标题为:Steel-Shell vs. Soft Pack Coin Cell Batteries for TWS Earbuds: Which is Better ?，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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