What We Offer?

Vastsea New Energy Co., Ltd. offers professional standard and custom battery packs and BMS tailored to your specific needs, focusing on drones, robots, two-wheelers and three-wheelers, etc. As a source factory with strong R&D capabilities, we provide flexible customization options—including voltage, capacity, housing design and brand logo printing.

Our offerings cover one-stop services: from demand communication and R&D design, to sample production and mass manufacturing. We ensure strict quality inspection, international certifications, and fast response for both small-batch samples and large-scale production, delivering reliable, cost-effective custom battery packs for your business.

More than just battery packs, we create solutions to effectively power popular devices that includes:

Unmanned Aerial Vehicles

Robotics

Two-wheelers and Three-wheelers

Bluetooth Headsets

Portable Tools

Machine Tools, etc.

Why Choose Us?

custom battery packs. For over ten years, we’ve provided satisfactory rechargeable battery products, continuously optimizing our services and quality.

1. Safety

Safety is our top priority in custom rechargeable battery pack design, closely related to electronic circuit design. We fully consider safety while meeting your equipment (drone, robot, two/three-wheeler) needs, with reasonable, standard structural design to avoid risks.

2.High-quality Materials

A rechargeable battery pack consists of cell, connector, protection system, packaging, wire, nickel sheet, etc. We select high-quality materials based on your custom needs, ensuring all materials are genuine, third-party testable, and provide full certification for imported materials.

3.The Production Process

We strictly follow international specifications and industry standards. Every step—from cell assembly and spot welding to aging testing—is operated by professionals and inspected layer by layer, ensuring battery accuracy and stability.

4.Transportation

We have strict rules for rechargeable lithium battery transportation. We use professional anti-collision, anti-static packaging and strictly follow these rules to ensure goods arrive intact.

5.Delivery

As the final key stage, we cooperate with professional freight forwarders long-term, striving for the best price and suitable channels to ensure on-time delivery.

6.Insurance

We purchase Pacific Insurance for all goods, with the consignee as the beneficiary, protecting your interests from losses.

7.After-sales service

After shipment, our professional team follows up promptly to solve any problems you encounter in receiving, storing or using the battery packs.

If you need high-quality custom rechargeable battery packs, please feel free to contact us. We provide one-stop, worry-free service from design to delivery.

R&D & Manufacturing

We focus on professional R&D and strict manufacturing for custom rechargeable battery packs, dedicated to providing reliable, high-performance products for drones, robots, two-wheelers and three-wheelers, etc.

Our R&D team, consisting of 50+ senior engineers with 18+ years of average experience, focuses on battery performance optimization, energy density improvement and custom solution design. We hold 32 invention patents and 6 software copyrights, adhering to international technical standards to meet your diverse customization needs.

As a source factory, we own a modern production base with advanced automated production lines, covering cell assembly, spot welding, aging testing and packaging. Every production step is strictly inspected to ensure battery stability and quality, with a monthly output of over 15,000 units.

We integrate R&D and manufacturing closely, converting R&D results into mass production quickly, shortening the customization cycle and ensuring on-time delivery. Our professional team provides full-process support, from demand communication and sample development to mass production, bringing you worry-free custom battery solutions.

Whether you need small-batch samples or large-scale production, we have the strength to meet your needs with professional R&D capabilities and strict manufacturing standards.

Discover our Premium Private Label Products

With over a decade in the industry, GoalWhite has been at the forefront of natural and organic teeth whitening and oral care products designed to meet the performance expectations of dental clinic, salon and spa, etc professionals.

At GoalWhite, all can be customized, such as packaging boxes, pouches, stickers or printing on gel syringes, pen shells, professional or mini LED lights, mouth tray containers, jars, tubes, Capsule, etc.

UL Safety Electrical Testing Laboratory

Lithium Battery Pack Performance Test

High and Low Temperature Performance Test Machine

Lithium Battery Sample Performance Test

Lithium Battery Cell Performance Test

Instrument Salt and Fog Test Equipment

Research and Development Equipment

Research and Development Equipment

Smart Manufacturing

Production Ability

Production Ability01 Production Ability02 Production Ability03 Production Ability04

Quality Control

Quality Assurance

Customer-Centric Service & Reliable Guarantee.

Customer’s satisfaction is our pursuing goal.

Customer-oriented is the principle of our services.

Our core value and core competence lie in providing effective, convenient and cost-controlled customer services.

We guarantee one year limited warranty against workmanship and materials defect for all our battery products.

All our battery products are insured.

We can offer the highest indemnity of USD1,000,000.00.

Quality Assurance during Design and Manufacturing Process

1. According to ISO/TS16949 standards, establish and execute the quality assurance system of design and manufacturing process.

2. Apply the following quality management tools during design and manufacturing process:

— Advance production quality plan (APQP)

— Production part approval process (PPQP)

— Control Plan (CP)

— Failure Mode and Effects Analysis (FMEA)

— Measurement System Analysis (MSA)

— Statistical Process Control (SPC)

— Design of Experiment Analysis (DOEA)

— Total Productive Maintenance (TPM)

— Tolerance Analysis (TA)

QC Check Flow Chart

QC Check Flow Chart

Quality Control

We have a very strict quality control system and environmental control system. We have passed ISO9001: 2008 certification and ISO14001: 2004 in the passed several years.

Certificates

Our battery got CE. Rohs, UL, IEC62133, UN38.3, MSDS certification.

QC Check Flow Chart

Technical Support

1. Accurately grasp and understand all technical requirements put forward by customers, ensuring no deviation from their needs.

2. Pay close attention to every technical detail when preparing samples, specifications, drawings and other related technical documents.

3. Conduct a comprehensive evaluation of each project, provide scientific and reasonable suggestions, and fully consider relevant laws, standards and cost control.

4. Offer professional configuration design, provide 2D and 3D drawings, protocol samples, develop injection molds and conduct reliability verification.

5. Provide BMS solution consultation, including hardware design, software programming, and protection functions (overcharge, overdischarge, overcurrent, short circuit, balance charge, SOC calculation, charging management, temperature detection, communication protocol, etc.) for single-cell, multi-series and multi-parallel battery packs.

6. Undergo repeated verification and practice from design input, sample development, trial production to mass production to fully meet customer requirements.

7. Conduct continuous tracking of product use and technical optimization to improve product performance and user experience.

8. Provide various necessary certifications (UL, CB, KC, PES, UN38.3, RoHS, etc.) to help products enter global markets smoothly.

9. Respond quickly and effectively to customer complaints, continuously optimize services and improve customer satisfaction.