Custom Lithium Battery Manufacturer

Focus On Providing One-Stop Custom Battery Packs Solutions Over 13 Years

Why Choose Delong Energy?

13 Years of Experience

Customizing lithium-ion battery packs for global users since 2012

Strong R&D Team

11 national patents, customized battery solutions for over 100,000 companies.

Tailor-Made Solutions

Created for household, commercial, medical, security, photovoltaics, etc.

High-Quality Batteries

Grade A cells, sophisticated testing equipment, professional quality inspectors, higher efficiency and safety.

Complete Certifications

With UN38.3/MSDS/UL/CE/ROHS and other certifications, you can confidently use it.

After-Sales Worry Free

10-year utral long warranty, technicians provide after-sales service and support.

Supply Custom Battery Solution From Indoor To Outdoor

Household Energy Storage System

Custom Voltage, Capacity, Current, Energy, BMS, Inverter, Used For 
• Home
• Solar Storage
• Central office
• Electronic cash registers
• Telecommunication systems
• Communication equipments
• Switching applications and more
• Microprocessor based office machine

Custom Voltage, Capacity, Current, Energy, BMS, Inverter Compatible, Used For 
• Home
• Solar Storage
• Central office
• Electronic cash registers
• Telecommunication systems
• Communication equipments
• Switching applications and more
• Microprocessor based office machine

Custom Voltage, Capacity, Current, Energy, BMS, Inverter Compatible, Used For 
• Home
• Solar Storage
• Central office
• Electronic cash registers
• Telecommunication systems
• Communication equipments
• Switching applications and more
• Microprocessor based office machine

Custom Voltage, Capacity, Current, Energy, BMS, Inverter Compatible, Used For 
• Home
• Solar Storage
• Central office
• Electronic cash registers
• Telecommunication systems
• Communication equipments
• Switching applications and more
• Microprocessor based office machine

Wall Mounted Energy Storage

Industrial And Commercial Energy Storage System

Custom Voltage, Capacity, Current, Energy, BMS, Inverter, Used For:
• UPS System
• Solar storage
• Central office
• Base transceiver station
• Electronic cash registers
• Telecommunication systems
• Communication equipments
• Switching applications and more
• Microprocessor based office machine

Power Battery

Scooter, RV, Leisure, Caravan, Tricycle, Robotic,  Electric Vehicle, Motorcycle Battery, Etc.

Custom Lithium Ion Battery Pack

Custom Voltage, Capacity, Current, Energy, BMS, Heated Battery, Bluetooth Battery, LCD, Case, Waterproof, Size, Logo, Etc.

Custom Ternary Lithium Battery

LED lights, smartphones, laptops, electric toy cars, handheld electric devices, etc.

Our Services For Customized Lithium Battery Packs 

The following are some of the battery customization services we provide customers. If you have personalized customization needs, welcome to discuss them with us. We have a professional R&D team to provide practical custom battery pack solutions.

Appearance

  • Battery Size

  • Battery Color

  • Battery Logo
  • Battery Package
  • Terminals/Connectors

BMS

  •  LCD Indicator

  • RS485/CAN /WIFI
  • Heated battery

  • Bluetooth Battery

  • Power On-off Switch

Specification

  • Battery Voltage

  • Discharge Current

  • Battery Capacity
  • Power Energy
  • Charge Current

How Do We Produce And Guarantee Your Battery?

3D Design

Design

Engineers will determine the battery configuration, BMS, and other functional modules based on your needs and applications, ensuring the design meets specific power consumption, capacity, and reliability.

A+ Battery Cells

Purchase

We have been collaborating with well-known suppliers in the industry for the long term, ensuring that the voltage, capacity, charge-discharge cycle numbers, and other parameters of each battery cell batch meet the project’s requirements.

Sample

After the battery sample production is completed, we will send the sample to the customer for testing. Once the test passes, we will proceed to the next step of mass production.

Production

The Delong factory has three advanced production lines, each with state-of-the-art equipment and testing instruments. Workers strictly follow the production process to assemble and test battery packs, ensuring the timely delivery of the battery packs.

Inspection

Lithium batteries will undergo appearance inspections, voltage tests, charge and discharge performance tests, temperature tests, safety performance tests, environmental adaptability tests, cycle life tests, and tests for specific scenarios and requirements before leaving the factory.

Package

We deeply understand the requirements for transporting lithium batteries, including packaging methods and materials, protective measures, labelling and international regulations. Our products meet international certifications and can be delivered smoothly.

Boom Your Business, Start From Delong Battery OEM/ODM Service.

Part of Successful Cases

Applications We Support

As a professional customized battery manufacturer, the lithium batteries we design span many industries and have strong support from many large enterprises.

These industries include Household, commercial, industrial, UPS, base transceiver station, communications system, medical devices, security, outdoor power supply, consumer electronics, solar storage, Internet of Things, microgrid, etc.

Household

Lithium RV Battery

RV

Lithium Marine Batteries

Marine

Lithium Tolling Motor Battery

Trolling Motor

Lithium Golf Cart Batteries

Golf Cart

Lithium lon Battery For Bike

E-Bike

After-Sale Without Worry

We offer a 10-year genuine warranty to provide after-sale service and technology support.

  • Resending new battery within 1st year if something is wrong with the quality of the product.

  • We provide purchase accessories free within the 2nd~5th year warranty.

  • We provide technology support free within the 6th~10th year warranty.

Get A Custom Battery Pack Solutions Today

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