200+Certified Battery
Our batteries must undergo rigorous testing and have obtained global application safety certification.
Custom Lithium-ion Battery Manufacturer
OEM&ODM Customizable Li-Ion Battery Solutions
World-leading lithium battery manufacturer. Made to Your Specifications — Provide Customized Li-Ion Battery Pack Services: 1S-20S/(capacity unlimited) — UL, KC, CB, CE & UN38.3 Certified.
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Custom Design
We tailor battery packs exactly to your power, size, and shape requirements.
Quality Assurance
We provide a 12-month warranty, UL, CE, UN38.3 certifications ensure safety and reliability for your applications.
Long Cycle Life
High energy density and stable performance for extended battery life.
Factory Direct Price
Lithium Ion Battery Factory Wholesale, Competitive pricing by cutting out middlemen — best value guaranteed.
A&S Power Best-selling Lithium Ion Battery
AS18650 7.4v 2000mAh - 3S1P
UL2054、CB、UN38.3、KC、CE、WERCS Certificate Li-Ion Battery Pack.
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AS18650 14.8V 2600mAh - 4S1P
UL2054、CB、UN38.3、BSMI、CE、PSE Certificate Li-Ion Battery Pack.
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Typical Battery Applications
Through rigorous research and development, our high-quality batteries offer dependable energy solutions for a wide range of sectors, including electronics, 3C digital, energy storage, transportation, medical, and aerospace.
Medical Devices
Monitoring Rehabilitation
Such As Pulse Oximeter, portable ECG machines, blood pressure monitors, etc.
Power Tools
Construction Maintenance
Such As Power Screwdriver, Tire Pressure Monitor, etc Power Tool Battery.
Lighting Applications
Portable Emergency
Such As LED Lights, Emergency Lights, Cabinet Lights etc Lighting Devices Battery.
Consumer Electronics
Communication Personal Health
Wearables and IoT devices for seamless digital experiences.
Why Choose A&S Power？
15+ Years of Experience
Deep expertise in lithium battery production, serving various industries with proven quality.
Custom Battery Solutions
Every cell, pack, and BMS is tailored to your voltage, size, and application needs.
Global Certifications
UL, CE, UN38.3, MSDS, and IEC62133 compliant, ensuring global shipping and compliance.
In-House R&D Team
Our engineers support you from concept to final product — fast prototyping included.
Worldwide Support
We provide customized lithium battery services to customers around the world.
Reliable Delivery
7–20 day lead times, strong logistics partners, and steady material supply chains.
Rigorous Testing
Each battery is tested for cycles, safety, aging, and voltage before delivery.
Long-Term Partnerships
We build strategic supply relationships — not just one-time deals.
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Trusted by Our Clients
Over 1000 awesome brands using A&S Power Battery
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Your Professional And Reliable Battery Partner – A&S Power
Steps to Custom Li-Ion Battery Pack
01
Enquiry and Design
Contact us with requirements. The technical team creates tailored designs.
02
Sampling and Sample Testing
We respond quickly, provide evaluation and solution according to your needs, and provide test samples of customized batteries.
03
Confirmation and Production
Finalize specifications, sign the production contract, and pay deposit.
04
Delivery and Shipping
Make final payment, and arrange safe and efficient delivery.
All lithium battery products must go through short circuit, needle puncture, drop, aging, and compression tests.
Typical Custom Battery Specifications
These lithium-ion battery models are some of the cases that A&S Power customizes for its customers.to provide battery solutions for various applications such as medical devices, power tools, lighting applications and wearable electronic devices. We support customization of voltage, capacity, shape, size and operating current.If you have any questions, feel free to contact us anytime.
| Model | Voltage (V) | Capacity (mAh) | Dimensions (mm) | Cycle Life | Certifications |
|---|---|---|---|---|---|
| AS18650 | 3.7 | 2600 | 19 * 69 | 500+ | UL2054、CB、UN38.3、KC、PSE、CCC、CE、WERCS |
| AS18650 | 7.2 | 7000 | 39 * 39 * 72 | 500+ | CB、CE、FCC、UN38.3 |
| AS18650 | 7.4 | 2000 | 20 * 38 * 68 | 500+ | UL2054、CB、UN38.3、KC、CE、WERCS |
| AS18650 | 10.8 | 6700 | 20 * 115 * 72 | 500+ | CB、UN38.3 |
| AS18650 | 11.1 | 4000 | 38 * 57 * 71 | 500+ | UL2054、UN38.3、CE |
| AS18650 | 14.8 | 2600 | 20 * 75 *72 | 500+ | UL2054、CB、UN38.3、BSMI、CE、PSE |
| AS18650 | 18.5 | 5000 | 42 * 95 *70 | 500+ | CB、UN38.3 |
| AS18650 | 22.2 | 4000 | 38 * 122 *72 | 500+ | CB、UN38.3 |
| AS18650 | 25.9 | 15000 | 70 * 181 *167 | 500+ | CE |
| AS21700 | 3.7 | 4500 | 22 * 75 | 500+ | UN38.3、WERCS |
| AS21700 | 3.7 | 9600 | 22 * 43 * 75 | 500+ | UN38.3 |
| AS21700 | 3.7 | 20000 | 22 * 43 * 145 | 500+ | UN38.3 |
| AS21700 | 7.4 | 10000 | 39 * 56 * 74 | 500+ | CB、UN38.3 |
| AS21700 | 25.9 | 15000 | 77 * 181 * 167 | 500+ | CE |
Frequently Asked Questions
Do you offer custom lithium battery packs?
Yes, we provide full customization services: size, voltage, capacity, connectors, PCM/BMS, and labels tailored to your product design.
What is your minimum order quantity (MOQ)?
As a professional manufacturer, MOQ of 5-10 pieces.MOQ varies by battery type. Contact us for details.
Are your batteries internationally certified?
Yes. UL, CE, UN38.3, MSDS, and RoHS certifications available for compliant global delivery.
How fast can you deliver orders?
Standard batteries: 7–15 days. Custom packs: 20–30 days. Air & sea shipping supported.
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