🔋 Explore Our 30 Series Lithium Batteries

Compact Size, Reliable Performance, Perfect for Ultra-Small Devices

The 30 Series is specifically designed for ultra-compact devices requiring lightweight batteries with stable performance. With capacities ranging from 23mAh to 55mAh, these batteries are perfect for TWS earbuds, medical sensors, and small electronics.

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Explore over 300 models and find the perfect battery solution for your project.

Why Choose Our 30 Series?

Download Our Full Catalog

Explore over 300 models and find the perfect battery solution for your project.

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Steps to Custom Lithium Polymer Battery

Step 1: Enquiry and Design

Contact us with requirements. The technical team creates tailored designs.

Step 2: Sampling and Sample Testing

Receive customized battery samples for evaluation within two days.

Step 3: Confirmation and Production

Finalize specifications, sign the production contract, and pay a 30% deposit.

Step 4: Delivery and Shipping

Make final payment, and arrange safe and efficient delivery.

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FAQs

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Yes! We offer fully customizable sizes, shapes, and capacities to meet your specific product requirements.
Absolutely. Our batteries are certified with UL, CE, UN38.3, RoHS, and more. Certificates and reports are available upon request.
Standard production lead time is 2-4 weeks depending on the order size. We also accommodate urgent orders with faster turnaround.
Yes, we provide samples for quality and compatibility testing. Contact us to arrange sample delivery.
Our production follows strict ISO 9001 processes with multi-stage inspections, including IQC, IPQC, FQC, and OQC. Every battery undergoes 100% testing before shipment.
Yes, certain models within the 30 Series support fast charging depending on the design and application needs.
We provide comprehensive after-sales support, including technical guidance, warranty services, and prompt resolution for any quality issues.
Simply reach out via email (wangmi668899@gmali.com) or visit our website. Our team will respond within 24 hours with a tailored quote and solution.