Custom rechargeable Li-Polymer battery packs for smartwatches, GPS sports watches, fitness trackers, running watches and outdoor sports wearables. Designed for compact wearable devices, these batteries support customized voltage, capacity, dimensions, shape, connector, wire, label and packaging. Standard voltage options include 3.7V and 3.85V, with 50–2000mAh capacity options and Flat Pouch or custom shapes. Application references include Garmin Fenix, Forerunner, Instinct and Venu series, as well as Suunto, COROS, Polar, Fitbit and Amazfit platforms. OEM/ODM development, sample customization and bulk production are available for different smartwatch designs.
Brand Name :
OEMBattery Type :
Li-Polymer / A-Grade Polymer / Lithium RechargeableNominal Voltage :
3.7V / 3.85VNominal Capacity :
50–2000mAh / CustomizableCell Options :
CustomizableApplication :
Smart Watch, GPS Sports Watch, Fitness Tracker, Running Watch, Outdoor Sports WatchCompatible Brands :
Garmin / Suunto / COROS / Polar / Fitbit / Amazfit / Other Smart Watch BrandsCompatible Models :
Customized ModelsCertification :
CE / RoHS / UN38.3 / MSDS / Regulation (EU) 2023/1542 CompliantCUSTOM SMARTWATCH BATTERY SOLUTIONS
Compact Power for GPS Smartwatches & Wearable Devices
Designed for smartwatches, GPS sports watches, fitness trackers, running watches and outdoor sports wearables.
Voltage: 3.7V / 3.85V / Custom
Capacity: 50–2000mAh / Custom
Battery Shape:
Flat Pouch / Custom Shape
Customization:
Voltage · Capacity · Dimensions · Connector · Wire · Label · Packaging
Protection:
Overcharge · Over-discharge · Over-current · Short-circuit Protection
Application Reference:
Garmin Fenix · Forerunner · Instinct · Venu
Suunto · COROS · Polar · Fitbit · Amazfit
OEM / ODM · Sample Customization · Bulk Production
From your initial requirements to sample evaluation and production planning.
Project timing and production arrangements depend on the confirmed specifications, sample approval and order requirements.
Meet our team at industry exhibitions to discuss custom battery packs, application requirements and OEM/ODM cooperation.
Explore our manufacturing capabilities, available compliance documentation and battery development experience across different applications.
Documentation may be available according to the battery model, destination market and project requirements. Please confirm the applicable documents for your specific product.
Note: Displayed documents are examples of available compliance or test documentation. Applicability and validity depend on the specific battery, configuration, market and project. Please request the relevant documents for your order.
Examples of battery solutions developed for different equipment and application requirements.
Our battery development experience covers a wide range of equipment categories and specialized applications.
Our team supports custom battery projects with technical communication, product evaluation and after-sales coordination.
Warranty coverage, duration and remedies are subject to the applicable quotation, order terms and product specifications. If an issue occurs, please provide the order details and relevant photos or test information so our team can assess the case and advise on the next steps.
Our team can help coordinate technical questions related to battery specifications, connectors, wiring, charging requirements and product application. Response times depend on the inquiry, project details and support arrangements.
For suspected quality issues or products that do not meet the agreed specifications, contact us with the order number and supporting details. Return, repair or replacement arrangements will be reviewed according to the confirmed order terms and the assessment results.
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