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Curved LiPo Batteries for Smart Rings - GMB150733R (3.7V 8mAh) & GMB200928R (25mAh) - China Suppliers & Factory
In the ever-evolving world of wearable technology, the GMB200928R and GMB150733R curved lithium polymer battery stands out as a groundbreaking solution designed specifically for smart rings. This innovative battery combines cutting-edge technology with a sleek, flexible design to ensure your smart ring not only performs at its best, but also maintains its beauty.
GMB200928 and GMB150733R has a unique curvature with a radius ranging from π/6 to 2π/3, allowing it to blend seamlessly into the contours of modern smart ring designs. With an adjustable width from 8mm to 50mm and a thickness from 0.5mm to 10.0mm (±0.5mm), the battery is designed for versatility and is suitable for a variety of smart ring applications.
Capacity is a key factor in wearable technology, and the GMB200928R and GMB150733R does not disappoint. With capacities ranging from 8mAh to an impressive 5000mAh, this curved lithium polymer battery ensures your smart ring supports a wide range of functions from health monitoring to communications without compromising performance or longevity.
The flexibility of this lithium-polymer battery not only enhances its compatibility with a variety of designs, but also helps improve the overall comfort and usability of the smart ring. As the demand for compact and efficient power sources continues to grow, the GMB200928 curved lithium polymer battery is a reliable choice for manufacturers and consumers.
π/6 to 2π/3 radius range, blending seamlessly into modern smart ring contours.
Width: 8mm to 50mm | Thickness: 0.5mm to 10.0mm (±0.5mm) for high versatility.
From 8mAh up to 5000mAh, supporting extensive smart features without compromise.
Drawings & Design Specifications


Other Sizes Of Curved Lipo Batteries
1. Models ended with "R" indicate curved type.
2. Contact our engineer if you need high density type (540WH/l) via info@gmbattery.com.
| Curved Model | Capacity (mAh) | Mold Available | Dimensions (mm) | Type | C-Rate | ||
|---|---|---|---|---|---|---|---|
| T (±0.2mm) | W (±0.5mm) | L (±0.5mm) | |||||
| 251341R25.8 | 90 | yes | 2.5 | 13.0 | 41.0 | Curved | 0.2C-1.0C |
| 201021R21.1 | 22 | yes | 2.0 | 10.0 | 21.0 | Curved | 0.2C-1.0C |
| 201030R27.1 | 43 | yes | 2.0 | 10.0 | 30.0 | Curved | 0.2C-1.0C |
| 351333R48.0 | 90 | yes | 3.5 | 13.0 | 33.0 | Curved | 0.2C-1.0C |
| 221230R30.0 | 55 | yes | 2.2 | 12.0 | 30.0 | Curved | 0.2C-1.0C |
| 200830R27.0 | 28 | no | 2.0 | 8.0 | 30.0 | Curved | 0.2C-1.0C |
| 233080R60.0 | 450 | no | 2.3 | 30.0 | 80.0 | Curved | 0.2C-1.0C |
| 251030R27.0 | 55 | yes | 2.5 | 10.0 | 30.0 | Curved | 0.2C-1.0C |
| 232630R100.0 | 110 | yes | 2.3 | 26.0 | 30.0 | Curved | 0.2C-1.0C |
| 302547R67.0 | 320 | no | 3.0 | 25.0 | 47.0 | Curved | 0.2C-1.0C |
| 283048R50.0 | 350 | yes | 2.8 | 30.0 | 48.0 | Curved | 0.2C-1.0C |
| 253648R48.0 | 400 | no | 2.5 | 36.0 | 48.0 | Curved | 0.2C-1.0C |
| 151036R24 | 21 | no | 1.5 | 10.0 | 36.0 | Curved | 0.2C-1.0C |
| 251040R36.6 | 65 | no | 2.5 | 10.0 | 40.0 | Curved | 0.2C-1.0C |
| 351754R49.0 | 300 | no | 3.5 | 17.0 | 54.0 | Curved | 0.2C-1.0C |
| 382030R40.0 | 150 | no | 3.8 | 20.0 | 30.0 | Curved | 0.2C-1.0C |
| 652547R67.0 | 640 | no | 6.5 | 25.0 | 47.0 | Curved | 0.2C-1.0C |

Frequently Asked Questions
What applications are GMB curved lithium polymer batteries designed for?
They are specifically designed for modern wearable technology, particularly smart rings, where a flexible, sleek, and high-performance power source is required to match curved contours.
What are the available dimensions for these curved batteries?
The width can be adjusted from 8mm to 50mm, and the thickness ranges from 0.5mm to 10.0mm (±0.5mm), offering versatile sizing options for various compact device designs.
What is the capacity range of the GMB200928R and GMB150733R batteries?
The capacity ranges from 8mAh up to an impressive 5000mAh, ensuring reliable power support for basic to complex wearable functions like health monitoring and communications.
What does the "R" suffix represent in the battery model name?
The suffix "R" indicates that the battery is a curved type, designed specifically to fit ergonomic and circular shapes of wearable devices.
Can I get a high energy density version of these curved batteries?
Yes. If you require a high-density type (540WH/l), you can contact our engineering team directly via info@gmbattery.com to discuss custom specifications.
How does the flexibility of these batteries benefit wearable designs?
The unique curved design (radius ranging from π/6 to 2π/3) allows the battery to fit naturally into round shapes, enhancing user comfort, aesthetic integration, and maximizing internal space utilization.



