1x 2x 3x 4x Lithium Battery Holder OEM 18650 Series Battery Holder

The 1x 2x 3x 4x 18650 Battery Holder Series Lithium Battery Cases are designed to securely accommodate one to four 18650 lithium-ion batteries connected in series, providing different voltage outputs to meet various electronic power requirements. Available in multiple configurations, these battery holders offer a practical solution for battery-powered devices, prototype development, and OEM manufacturing.

Manufactured from high-strength PP plastic, the battery cases provide excellent mechanical durability, electrical insulation, and heat resistance. Precision spring contacts and metal terminals ensure reliable battery retention and stable current transmission, helping maintain consistent electrical performance during operation.

These battery holders are suitable for cylindrical 18650 rechargeable lithium batteries and can be supplied with wire leads, PCB pins, DC plugs, switches, or customized connectors according to customer requirements. Their compact structure and modular design make them ideal for a wide range of portable electronic products and industrial applications.

These battery holders are widely used in:

• Portable electronic devices
• LED lighting equipment
• Industrial control systems
• IoT devices
• Security products
• Testing instruments
• Rechargeable battery packs
• DIY electronics
• Robotic projects
• Prototype development

• Available for 1, 2, 3, or 4-cell series configurations.
• Compatible with standard 18650 lithium-ion batteries.
• Durable PP housing provides excellent insulation.
• Reliable spring contacts ensure stable electrical connection.
• Compact structure for efficient space utilization.
• Easy battery installation and replacement.
• Supports custom connectors, wire lengths, and mounting options.
• Suitable for OEM and ODM production.

The battery holder securely connects multiple 18650 batteries in series to provide higher DC output voltage for electronic devices. It maintains stable battery positioning while delivering reliable power to connected equipment.

1. Insert the 18650 batteries according to the polarity markings.
2. Verify that all batteries are the same type and capacity.
3. Connect the output leads or connector to the target device.
4. Confirm the output voltage before powering the equipment.

1. Use matched 18650 batteries with the same capacity and charge level.
2. Do not mix new and used batteries.
3. Ensure correct polarity during installation.
4. Avoid short-circuiting the terminals.
5. Remove batteries during long-term storage.

Sample orders and bulk production are supported. All products are inspected before shipment to ensure consistent quality and reliable performance.

We accept T/T, PayPal, Western Union, and other internationally recognized payment methods.

Standard export packaging is provided. OEM packaging, customized labels, and private branding services are available according to customer requirements.

Customers are encouraged to inspect products immediately upon receipt. For verified quality issues or shipping discrepancies, we provide technical support, replacement products, and responsive after-sales service.