A bluetooth battery is the only power source for any bluetooth device. For earbuds, smart watches, fitness trackers, and speakers, a lithium-ion battery is the most suitable. However, over time, the bluetooth batteries of these devices start to drain faster and need frequent charging or battery replacements. Therefore, choosing the right bluetooth battery supplier for long life and good backup is essential. This article will introduce the best 7 bluetooth battery suppliers by analyzing company profiles and highlighting battery features.
Part 1. How to choose the right bluetooth battery supplier?
A bluetooth device always depends on a battery inside the device. Usually, a lithium-ion battery is used for this purpose due to its high energy density and flexible design. So, if you choose a reputable bluetooth battery supplier, you will get the following features for the battery:
- High-performing lithium-ion chemistry
- Lightweight, compact design
- Flexible battery dimensions
- Safe to use
- Long battery backup
- Fast charging
Part 2. Top 7 bluetooth battery suppliers list
1. Ufine Battery
Ufine Battery, established in 2008, is a Chinese manufacturer and supplier of lithium-ion and lithium-polymer batteries. Its headquarters is in Shenzhen, China, and it is investing a lot in R&D with 30 specialists to develop and apply advanced technology in its products. The company uses High-tech manufacturing techniques to build its brand with 100% customer satisfaction. Therefore, a 30 million Yuan upgrade in the Jiangmen factory enables automation and intelligence to increase production capacity.
Ufine Battery’s batteries are distributed in dozens of countries around the world. Ufine has a wide range of bluetooth battery models for earbuds, smart watches, speakers, and fitness trackers at affordable prices under international manufacturing standards. Moreover, you can also get a customized bluetooth battery for specific dimensions, voltage, and capacity.
Key Features of Ufine Bluetooth Battery
- Lithium-ion chemistry
- Small size with high capacity
- Wide range of designs and models
- No memory effect
- Affordable price
- Customization availability
- Good battery warranty
- Multiple certifications
- Multiple protection functions
2. Renata Batteries
Renata was established in 1952 and headquartered in Itingen near Basel, Switzerland. It is a global manufacturer and supplier of primary and secondary micro batteries and energy solutions. In the 1970s, Renata started manufacturing coin cells, and in 1982, it joined hands with Swatch Group SA. For developing and manufacturing economical and premium products, Renata has a team of 250 experts. Despite its main office, the company has branches in Zhuhai, China, Shanghai, China, Miami, USA, and Pforzheim, Germany. It has specifically manufactured Swiss-grade bluetooth battery models suitable for various smartwatches.
Key Features of Renata Bluetooth Battery
- Low internal resistance
- UL-1642 listing
- Long service life
- Wide operating temperature range
- Outstanding reliability
3. Grepow
Grepow was founded in 1998 and registered as Shenzhen Grepow Battery Co., Ltd. Commonly known as Grepow, derived from the word Green Power. It has headquarters in Shenzhen, China. It is one of the earliest manufacturers and suppliers of bluetooth batteries. Grepow currently has four factories producing over 50,000 units per day, covering 200,000 square meters. The company has an R&D facility with 300 specialists and 2800 overall employees. Grepower has a wide range of bluetooth battery models, and its supply network is expanding to China, Asia, Europe, and Australia. You can choose Grepower as a bluetooth battery supplier, as its products are manufactured under international standards and certifications.
Key Features of Grepow Bluetooth Battery
- Lithium-ion type for high energy density
- Good battery backup
- Safety certifications
- Suitable price and quality
- Wide supply chain
4. Tenpower
It was founded in 2006, is a leading developer and manufacturer of cylindrical lithium-ion batteries, and has headquarters in Suzhou, China. Tenpower has 4 plants, 3 in Jiangsu, China, that are producing, whereas the remaining one in Selangor, Malaysia, will start production in the second quarter of 2025. Overall, Tenpower has 1780 employees and a 10bn Yuan investment. The company has become a prominent player globally, holding the second-largest market share in the power tools’ lithium-ion battery sector. It specializes in high-power and high-capacity batteries, catering to applications such as power tools, micro-mobility, and smart appliances. So you can get a bluetooth battery for any type of bluetooth device, including smartwatches, earbuds, fitness trackers, etc.
Key Features of Tenpower Bluetooth Battery
- Lithium-ion type lightweight battery
- Longlasting life
- PCB for more safety
- No memory effect
- It can last for 2 years
5. ELB Energy
ELB Energy was founded in 2013 and has headquarters in Shenzhen, China. It is a manufacturer and supplier of lithium-ion and custom batteries. In 2014, the company set up a 20,000㎡ production factory in China with 118 expert production personnel. Over time, ELB has become a worldwide supplier and has established its sales department in foreign countries. ELB has obtained ISO9001, ISO18001, CB, CE, BIS, RoHS, KC, UL, and UN38.3 certificates and manufactures batteries in strict accordance with international standards. Its main manufacturing is related to cylindrical cells, button cells, power tools, smart portable gadgets, high-power drawing devices, and wireless and bluetooth battery models.
Key Features of ELB Bluetooth Battery
- Lithium-ion for high energy density
- Lightweight, flexible design option
- Quick charging
- Can operate in -40℃ to 85℃
- 1-year warranty
- Customizable options
6. EPT Battery
EPT Battery was founded in 2003 and is headquartered in Shenzhen, China. The company has an independent R&D facility for physical and chemical characteristics, electrochemistry, and battery application performance. EPT has two production facilities, one in Shenzhen for NiMH batteries and the second in Meizhou for lithium batteries, with a total area of around 50,000㎡ and 1200 employees. Both plants have automatic production facilities with special battery formatting techniques for anode and cathode creation. Currently, EPT is manufacturing high-capacity, powerful bluetooth batteries in lithium-ion chemistry. Its different models are suitable for earphones, smart watches, and wireless speakers. All its products are backed by certifications such as CE, UL, IEC62133, KC, PSE, ROHS, REACH, BIS, etc. As an OEM/ODM supplier, EPT has gained much attention and is the top choice for a bluetooth battery.
Key Features of EPT Bluetooth Battery
- Has 500+ cycle life
- Wide size range
- Affordable price
- Built-in protection PCB
- BIS, KC, PSE, MSDS, and UN38.3 approved
7. Xuanli
Dongguan Xuanli Electronics Co., Ltd., established in 2009, is a high-tech enterprise focused on developing safe and efficient lithium batteries. With over a decade of experience, Xuanli is dedicated to providing professional power solutions across various industries. The company manufactures a wide range of products, including smart battery packs, 18650 lithium batteries, LiFePO4 batteries, bluetooth batteries, and chargers. It has a 12,000m² facility that prioritizes quality, innovation, and customer satisfaction. There are over 60 technical experts and more than 1,000 product categories. Xuanli’s commitment to excellence has earned a long-term partnership, with a product delivery qualification rate exceeding 99.99%.
Key Features of Xuanli Bluetooth Battery
- Affordable price range
- Using domestic and foreign brand raw materials
- Stable discharge voltage
- Wide operating temperature range
- Safety and quality assurance
Part 3. Final thoughts
Choosing the bluetooth device’s battery from the top 7 bluetooth battery suppliers will provide more backup and battery life. These suppliers supply bluetooth batteries from automatic manufacturing facilities and international-level manufacturing techniques. Moreover, investments in research and development (R&D) facilities make sure all bluetooth batteries are the most advanced and innovative.
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