
🔋 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.
Table Of Contents For This Page
Explore over 300 models and find the perfect battery solution for your project.

Why Choose Our 30 Series?
- Ultra-compact and lightweight: Ideal for space-restricted devices.
- Certified safety: Meets international certifications including UL, CE, and UN38.3.
- Customizable sizes & shapes: Tailored to your product needs.
- Fast response & global delivery: Quick lead times with worldwide shipping support.
Download Our Full Catalog
Explore over 300 models and find the perfect battery solution for your project.
Steps to Custom Lithium Polymer Battery
Step 1: Enquiry and Design
Step 2: Sampling and Sample Testing
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.
A PEO-based Gel Polymer Electrolyte for Lithium-ion Batteries
As the demand for high-performance1, safe, and efficient batteries grows, innovations in electrolyte materials2 are critical. One such advancement is the development of PEO-based gel polymer electrolytes3 for Lithium-ion (Li-ion) batteries4. But what exactly is
Are Lithium Polymer Batteries Safer Than Lithium-ion?
Safety is a critical concern when it comes to batteries1, especially in high-demand applications like electric vehicles2 and smartphones3. One question that often arises is whether Lithium Polymer (LiPo)4 batteries are safer than Lithium-ion (Li-ion)5
Are Lithium Polymer Batteries Better Than Lithium-ion?
When choosing the right battery for your device1, the debate between Lithium Polymer (LiPo)2 and Lithium-ion (Li-ion)3 batteries often arises. Both types have unique advantages, but which one is truly better? In this article, we
Are Lithium Polymer Batteries the Same as Lithium-ion Batteries?
When it comes to batteries for portable electronics1, electric vehicles2, and renewable energy storage3, Lithium Polymer (LiPo) and Lithium-ion (Li-ion) batteries are often mentioned as the go-to options. But are they the same? While both
Can I Take a UL Lithium-ion Polymer Battery in Carry-on Luggage?
When it comes to batteries for portable electronics, electric vehicles, and renewable energy storage, Lithium Polymer (LiPo) and Lithium-ion (Li-ion)1 batteries are often mentioned as the go-to options. But are they the same? While both
Do Lithium-ion or Lithium Polymer Batteries Weigh More?
When it comes to batteries for portable electronics, electric vehicles, and renewable energy storage, Lithium Polymer (LiPo) and Lithium-ion (Li-ion)1 batteries are often mentioned as the go-to options. But are they the same? While both