18500 3.2V 1000mAh Cylindrical Li-Polymer Battery Rechargeable OEM ODM Custom Lipo Cell

18500 3.2V 1000mAh Cylindrical Li-Polymer Battery – a rechargeable cylindrical lithium-polymer cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices.

The 18500 is a 3.2V 1000mAh cylindrical lithium-polymer cell manufactured by VATS Battery, an ISO9001-certified lithium battery maker based in Guangdong, China. Built on a compact 18.0*50.0mm footprint, it combines stable 3.2V nominal voltage with true 1000mAh capacity, enabling portable devices to run longer on a single charge without adding bulk.

Each cell is produced on automated lines and individually screened for capacity, voltage and internal resistance before shipment, ensuring high batch-to-batch consistency and making the 18500 a dependable drop-in power source for OEM and ODM programmes. The chemistry, dimensions and protection circuit can all be customized, allowing engineers to either select this standard model or request bespoke cells tailored to specific power, footprint and cost requirements.

• True Rated Capacity: Delivers genuine 1000mAh at 3.2V, verified by comprehensive testing on every production lot
• Stable Output: Flat discharge curve maintains close to 3.2V, protecting sensitive circuits and extending usable runtime
• Long Cycle Life: Rated for more than 500 charge-discharge cycles with excellent capacity retention
• Certified Safety: Compliant with multiple international standards with built-in protection against over-charge, over-discharge, over-current and short circuit
• Flexible Customization: Size, capacity, voltage, connector, wire length and PCM can be tailored to your design requirements
• Ready to Integrate: Supplied with optional JST/Molex connectors for seamless assembly line integration

Thanks to its slim, lightweight build and stable 3.2V output, the 18500 fits a wide range of applications including:

• Digital products and Bluetooth devices
• GPS trackers and IoT sensors
• Power banks and portable electronics
• Bluetooth speakers and headsets
• Fitness wearables and smart watches
• Medical and healthcare instruments
• Beauty and personal-care devices
• LED lighting and toys

The customizable connector and protection circuit simplify integration, reducing assembly time and supporting both prototyping and high-volume mass production.

Every 18500 cell is packed in industrial cartons with anti-static trays and shock-absorbing materials that meet international air and sea shipping standards, ensuring protection throughout transport.

VATS Battery produces over 300,000 cells daily and exports to more than 100 countries worldwide, offering 7-20 day lead times, free evaluation samples, and a comprehensive 12-month warranty. Contact our sales team for datasheets, samples, or custom specifications - we'll match the right cell to your project and support you from prototype through mass production.