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The 160625 3.8V 17mAh Curved Lithium Battery is designed for compact electronic devices that require a curved structure, thin profile, lightweight design, and stable voltage output. With a 3.8V high-voltage platform and 17mAh capacity, this battery is suitable for smart rings, wearable sensors, health monitoring devices, medical patches, electronic tags, smart labels, and other miniature curved electronics.
As a professional lithium polymer battery manufacturer, LithoTop provides customized curved lithium battery solutions, including curvature design, cell size customization, labels, packaging, and OEM/ODM battery pack assembly.
| Product Type | Curved Lipo battery |
|---|---|
| Model number | 160625 |
| Voltage (Nominal) | 3.8V |
| Capacity (Nominal) | 17mAh |
| Dimensions | 1.6±0.2*6±0.2*25±0.2mm (R10.7) |
| Constant Discharge Current | Typically 0.2C-1C |
| Working Temperature | charge: 0-45℃; discharge: -20-60℃ |
Delivering superior performance consistency and longer cycle life through automated cell matching technology designed for heavy-duty industrial applications.

The 160625 3.8V 17mAh curved lithium battery is engineered for products where a flat battery cannot fully match the internal structure. Its curved pouch cell design helps improve space utilization inside arc-shaped, ring-shaped, band-shaped, and ergonomic electronic products.
With 17mAh capacity, this battery is mainly suitable for low-power miniature electronics requiring rechargeable energy for standby operation, sensor activation, short wireless communication, LED indication, biometric detection, and compact control circuits. The 3.8V high-voltage platform helps provide improved usable energy within a very limited battery volume.
LithoTop applies strict production control during cell selection, curvature forming, capacity testing, voltage inspection, internal resistance testing, thickness checking, aging verification, appearance inspection, and final quality control. These processes help ensure stable performance, reliable safety, and consistent production quality.


| Model | Voltage(V) | Capacity(mAh) | Cell Size(T*W*L)mm | Shape | Polairty&Direction |
|---|---|---|---|---|---|
| 125034 | 3.7 | 14 | 1.25*5.1*34 | Curve | CD |
| 3.8 | 16 | Curve | |||
| 125625 | 3.7 | 10 | 1.25*5.6*25 | Curve | CD |
| 3.8 | 12 | Curve | |||
| 125628 | 3.7 | 12 | 1.25*5.6*28 | Curve | CD |
| 3.8 | 14 | Curve | |||
| 125634 | 3.7 | 15 | 1.25*5.6*34 | Curve | CD |
| 3.8 | 17 | Curve | |||
| 126825126825 3.8V 15mAh Curved LiPo Battery | 3.7 | 13 | 1.25*6.9*25 | Curve | ABCD |
| 3.8 | 15 | Curve | |||
| 120732 | 3.7 | 17 | 1.25*7.1*31 | Curve | ABCD |
| 3.8 | 19 | Curve | |||
| 155034 | 3.7 | 16 | 1.52*5.1*34 | Curve | CD |
| 3.8 | 18 | Curve | |||
| 155625 | 3.7 | 12 | 1.52*5.6*25 | Curve | CD |
| 3.8 | 14 | Curve | |||
| 155628 | 3.7 | 14 | 1.52*5.6*28 | Curve | CD |
| 3.8 | 16 | Curve | |||
| 155634 | 3.7 | 18 | 1.52*5.6*34 | Curve | CD |
| 3.8 | 20 | Curve | |||
| 156825156825 3.8V 18mAh Smart Ring Battery | 3.7 | 16 | 1.52*6.9*25 | Curve | ABCD |
| 3.8 | 18 | Curve | |||
| 150720 | 3.7 | 12 | 1.52*6.8*20.5 | Curve | ABCD |
| 3.8 | 13 | Curve | |||
| 150732 | 3.7 | 20 | 1.52*7.1*31 | Curve | ABCD |
| 3.8 | 22 | Curve | |||
| 160620160620 3.8V 12mAh Curved Polymer Battery | 3.7 | 11 | 1.6*6*20 | Curve | ABCD |
| 3.8 | 12 | Curve | |||
| 160625160625 3.8V 17mAh Curved Lithium Battery | 3.7 | 15 | 1.6*6*25 | Curve | ABCD |
| 3.8 | 17 | Curve | |||
| 160630160630 3.8V 18mAh Curved Batteries | 3.7 | 18 | 1.6*6*30 | Curve | ABCD |
| 3.8 | 21 | Curve | |||
| 160635 | 3.7 | 25 | 1.6*6*35 | Curve | D |
| 3.8 | 28 | Curve | |||
| 185625 | 3.7 | 17 | 1.8*5.6*25 | Curve | CD |
| 3.8 | 20 | Curve | |||
| 185628 | 3.7 | 19 | 1.8*5.6*28 | Curve | CD |
| 3.8 | 22 | Curve | |||
| 185634 | 3.7 | 23 | 1.8*5.6*34 | Curve | CD |
| 3.8 | 26 | Curve | |||
| 186825 | 3.7 | 22 | 1.8*7*25 | Curve | CD |
| 3.8 | 24 | Curve | |||
| 180732 | 3.7 | 30 | 1.8*7*31 | Curve | CD |
| 3.8 | 34 | Curve | |||
| 210630 | 3.7 | 30 | 2.1*6*30 | Curve | D |
| 3.8 | 33 | Curve | |||
| 210635 | 3.7 | 35 | 2.1*6*35 | Curve | C |
| 3.8 | 38 | Curve |
*Contact us for custom LiPo battery or customize your special battery !
Discover how we helps global customers solve real-world battery challenges through customized lithium battery solutions.
A wearable payment technology company from the United Arab Emirates was developing a luxury contactless payment ring for hotels, private clubs, and premium membership programs. The product needed to integrate an NFC payment module, secure element, antenna structure, indicator circuit, and rechargeable power source inside a very small ring-shaped housing. Because the ring was designed with a ceramic outer shell and a curved internal cavity, a standard flat battery could not be installed without increasing the ring thickness.
The customer contacted LithoTop because they needed a miniature curved lithium battery that could match the inner arc of the ring while maintaining stable voltage output for low-power control and authentication functions. The key challenge was not only capacity, but also mechanical fit, cable direction, insulation safety, and charging compatibility within the compact ring structure.
LithoTop reviewed the customer’s ring layout, NFC module position, battery cavity radius, charging method, standby current, activation cycle, and assembly process. After evaluation, LithoTop recommended the 160625 3.8V 17mAh Curved Lithium Battery. The curved battery structure helped make better use of the internal arc space, while the 3.8V high-voltage platform provided improved usable energy within a very limited battery volume.
During sample development, LithoTop adjusted the curvature direction, tab position, cable outlet angle, outer insulation, and battery packaging method to reduce pressure during ring assembly. Sample batteries were tested through NFC activation simulation, standby power testing, wireless charging compatibility checking, voltage stability testing, curved installation fit validation, and temperature observation during repeated charging cycles.
Before mass production preparation, both teams confirmed samples, curvature tolerance, battery thickness, charging requirements, packaging method, and incoming inspection standards. The final battery solution helped the customer keep the payment ring slim and elegant while improving internal assembly reliability. For the customer, this reduced mechanical redesign time and supported a more premium wearable payment product.
A New Zealand agricultural technology company was developing a smart livestock ear tag for animal health monitoring. The device needed to record movement behavior, body activity trends, and periodic temperature-related data while sending short wireless updates to a nearby gateway. The product had to be lightweight and slightly curved so it could fit more naturally against the animal’s ear without creating discomfort.
The customer’s previous prototype used a small flat lithium battery, but the battery created a rigid area inside the tag housing. During field testing, this affected the product’s wearing comfort and increased the risk of mechanical stress around the battery area. The customer needed a curved rechargeable battery that could improve the internal structure while still supporting stable low-power operation.
LithoTop analyzed the ear tag’s sensor current, wireless transmission interval, sleep-mode current, charging method, enclosure curvature, sealing structure, and outdoor usage environment. Based on the project requirements, LithoTop recommended the 160625 3.8V 17mAh curved lithium battery as a compact power solution for the curved tag structure.
During prototype development, LithoTop optimized the battery curvature to match the customer’s sealed housing design. Sample batteries were tested through standby simulation, sensor sampling cycles, wireless pulse discharge testing, charge-discharge cycling, curved housing fit verification, storage testing, and vibration handling checks.
After several rounds of assembly review, the customer confirmed that the curved battery reduced internal pressure and helped the tag maintain a smoother outer profile. Before pilot production, both teams confirmed approved samples, battery dimensions, curvature range, packaging method, and inspection requirements.
The final battery solution helped the livestock monitoring tag become more comfortable, compact, and reliable for field use. For the customer, this improved animal wearing comfort, reduced mechanical failure risk, and supported a stronger product trial with agricultural users.
Curved lithium batteries require more than simply bending a standard pouch cell. To achieve reliable performance, the battery must control curvature design, sealing reliability, thickness tolerance, voltage consistency, internal resistance, tab position, and mechanical stress during assembly.
LithoTop supports customers from early sample evaluation to mass production with professional engineering support and strict quality inspection. Our team can help evaluate battery curvature, product structure, runtime target, charging method, working current, and real application conditions before confirming the final battery solution.
Powering leading batteries across wearables, medical devices, IoT, and consumer electronics in 30+ countries..



Find answers to the most common questions about ordering, shipping, certifications, and working with lithotop as your battery partner.
Engineer’s will make inner BOM according to your confirmed samples. And our quality control teams continuously monitor the entire manufacturing process to ensure the each mass production is the same as samples.
LithoTop specializes in custom lithium battery solutions, including LiPo batteries, Li-ion battery packs, LiFePO4 batteries, high-rate drone batteries, curved batteries, ultra-thin batteries, and custom rechargeable battery packs for industrial and consumer applications.
LithoTop focuses on:Custom battery solutions for special applications, own developed PCB/PCM to help you with Competitive factory-direct pricing, Experience with difficult battery projects such as curved, ultra-thin, and high-discharge batteries. Long-term cooperation support for startups and established brands.
Yes. LithoTop provides fully customized battery solutions based on your device requirements, including voltage, capacity, discharge rate, dimensions, connector type, PCM/BMS protection, and special shapes such as curved or ultra-thin batteries.
Standard samples are usually available quickly about 3-7 days, while custom battery projects typically require evaluation, engineering confirmation, prototyping, and testing. The timeline depends on battery specifications, and certification requirements. Mass order is about 30 working days.
Depending on the product and project requirements, LithoTop batteries can support certifications including UN38.3, MSDS, CE, RoHS, IEC62133, UL , and other transportation or safety compliance documents.
MOQ depends on the battery model and customization level. Standard batteries may support lower quantities like 100pcs, while fully customized battery projects usually require a development MOQ. LithoTop supports both prototype projects and mass production orders.
LithoTop follows strict quality control procedures including:Incoming material inspection, Cell matching and grading Capacity, and voltage testing, Aging and performance tests, 100% Safety inspections before shipment.Quality consistency is critical for battery reliability and long-term cooperation.
Normally, we ship our batteries via DHL, UPS, FedEx, air freight, or sea , depending on order size, destination, and customer preference.
LithoTop is a professional lithium battery manufacturer with production experience in custom battery development and assembly. We provide direct factory support, engineering assistance, quality control, and customized battery solutions for global customers. We wecome you to visit our factory.
Explore more customized lithium battery solutions from LithoTop






LithoTop operates advanced lithium battery manufacturing facilities equipped with automated production lines, precision testing equipment, and strict quality control systems. From cell selection to battery assembly and final inspection, every process is carefully managed to ensure stable performance, reliable quality, and high production efficiency. With experienced engineers and strong OEM/ODM capability, we provide customized battery solutions for customers worldwide.
LithoTop provides comprehensive certification support for custom lithium batteries to help customers accelerate product development and global market entry. From prototype verification to mass production, our engineering team assists with battery compliance, transportation documentation, and international safety standards, reducing certification risks and shortening your project timeline.
Stay updated with the latest lithium battery industry news, product innovations, technology insights, and application trends from LithoTop. Explore expert articles, battery guides, and industry updates to learn more about custom lithium battery solutions, energy storage, UAV batteries, wearable device batteries, and advanced power technologies.
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