3.7V Lithium Battery Packs
Custom 3.7V lithium battery packs with compact size, stable output, PCM protection, and flexible connector options for portable electronics, wearables, medical devices, POS terminals, and smart products.
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3.7V 1250mAh Li-polymer Headlamp Battery with USB-C Charging Port
Rated Voltage: 3.7V
Rated Capacity: 1250mAh
Maximum Charging Voltage: 4.2V
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3.7V 1800mAh Li-polymer Headlamp Battery with Charging Port and PSE Certification
Rated Voltage: 3.7V
Rated Capacity: 1800mAh
Maximum Charging Voltage: 4.2V
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Round Rechargeable Flexible Lithium Battery 502533 3.7V 500mAh for Sports Watches
Model: 502533
Operating Voltage: 3.7 V
Capacity: 500 mAh
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Custom 3.7V 225mAh 363027 Round Li-Polymer Battery for Smart Wearables
Model: 363027
Operating Voltage: 3.7 V
Capacity: 225 mAh
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Custom 3.7V Curved Li-Polymer Battery for Smart Ring Wearable Devices
Model: 150732
Operating Voltage: 3.7 V
Capacity: 26mAh
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Custom Flexible Bendable Li-polymer Battery 150630 130630 160630, 3.7V 22mAh 20mAh 19mAh 18mAh, and More
Model:150630
Operating Voltage: 3.7 V
Capacity: 20 mAh
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Curved Flexible Battery 4030112 1800mAh 3.7V 6.66Wh for Smart Glasses and Smart Helmets
Model: 4030112
Operating Voltage: 3.7 V
Capacity: 1800 mAh
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150732 20mAh 3.7V Ultra-Thin Flexible Curved Battery for Smart Wearable Rings, Customizable on Request
Model: 150732
Operating Voltage: 3.7 V
Capacity: 20 mAh
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3.7V Lithium Battery Packs for Compact Electronic Devices
GLOFLUX 3.7V lithium battery packs are designed for compact devices that require lightweight structure, stable single-cell voltage, and reliable rechargeable power. With customizable capacity, thickness, size, PCM protection, wires, connectors, and discharge performance, these 1S battery packs can support smart wearables, medical devices, POS terminals, Bluetooth audio products, beauty equipment, lighting devices, and other OEM/ODM electronic products.
3.7V Lithium Battery Packs Selection
Selecting the right 3.7V lithium battery pack depends on your device size, working current, runtime requirement, charging method, connector type, and safety protection needs. GLOFLUX provides flexible OEM/ODM battery pack solutions with customized capacity, thickness, dimensions, PCM protection, wires, connectors, and discharge performance for compact electronic applications.
| Selection Factor | Available Options | Recommended Applications |
|---|---|---|
| Voltage Structure | 1S lithium battery pack, 3.7V nominal voltage, 4.2V full charge | Wearables, medical devices, POS terminals |
| Capacity Range | Custom capacity from small to high-capacity designs | Compact devices or long-runtime products |
| Cell Type | Li-polymer pouch cells, cylindrical lithium cells | Slim devices, smart products, portable electronics |
| Battery Thickness | Ultra-thin, standard thickness, custom pack layout | Wearables, beauty devices, handheld equipment |
| Discharge Current | Standard discharge or high-rate discharge options | Audio devices, lights, toys, smart tools |
| PCM Protection | Overcharge, over-discharge, overcurrent, short-circuit protection | Safer charging and device operation |
| Connector & Wires | JST, Molex, custom plug, wire length customization | OEM assembly and compact device integration |
| Charging Method | Standard CC/CV charging, custom charging interface support | Rechargeable consumer and industrial devices |
| Certification Support | UN38.3, CE, RoHS, IEC62133 available by project | Export and global market requirements |
