About Us
Powering Innovation with Reliable Battery Solutions
KRL Battery provides professional lithium battery cells, custom battery packs and OEM/ODM battery solutions for customers across a wide range of industries.
From battery selection and pack design to BMS integration, prototyping, testing and mass production, we work closely with customers to develop safe, reliable and application-specific power solutions.
Who We Are
A Reliable Partner for Lithium Battery Solutions
KRL Battery is a lithium battery manufacturer and custom battery solution partner. We help product teams connect the right cell technology with the electrical, mechanical and production requirements of their devices.
Extensive Battery Solutions
From lithium polymer and cylindrical cells to LiFePO4 and application-specific battery packs.
Professional Customization
Configure voltage, capacity, size, shape, discharge rate, BMS, wiring, connectors and housing. Discuss communication requirements during project evaluation.
Engineering Support
Cell selection, pack design, mechanical integration, prototypes and testing through to production.
Quality & Reliability
Production and inspection processes focused on safety, consistency and long-term performance.
From Concept
to Production
Complete Battery Development Capabilities
Your product defines the requirements. Our development process brings cell selection, battery pack design and manufacturing together around them.
Cell Selection
Match cell format, capacity, discharge rate and operating temperature to the available space and target cost.
Battery Pack Design
Develop the electrical architecture and mechanical arrangement around the device, connections and enclosure.
BMS Engineering
Match battery management and protection to the pack voltage, load profile and application requirements.
Prototype Development
Build prototype packs for fit checks, integration and product development.
Testing & Validation
Evaluate performance, safety, consistency and reliability against the agreed project requirements.
Mass Production
Move from approved samples to controlled assembly, inspection, packaging and delivery.
Why Choose
KRL Battery
Built for Long-Term
OEM & ODM Partnerships
Successful battery projects depend on more than a specification. They require clear engineering decisions, consistent production and a team that stays involved.
See how we work together →Professional Battery Solutions
A practical starting point for your application, from individual cells to integrated battery packs.
Comprehensive Product Range
Lithium polymer, cylindrical lithium-ion, LiFePO4 and custom packs across different formats and voltage platforms.
Flexible OEM / ODM Customization
Configure dimensions, capacity, protection, wiring, connectors, housing, labeling and packaging.
Engineering Support
Work through electrical, mechanical and integration decisions with technical support throughout development.
Quality Control
Connect incoming inspection, cell matching, assembly checks and final testing in one production workflow.
Reliable Delivery
Align component availability and production planning with sample approval and batch requirements.
Responsive Service
Keep specifications, project progress and technical questions connected from inquiry through after-sales support.
Custom Battery
Solution Process
From the first requirements discussion to an approved specification and repeat production, each stage moves your custom lithium battery pack closer to integration.
Requirement Analysis
Application, voltage, capacity, size, current and working environment.
Solution Design
Cell selection, BMS, structure, connectors and protection.
Prototype
Prototype battery pack development for your device.
Testing & Validation
Performance, safety, compatibility and reliability.
Customer Approval
Confirm the final specification and approved sample.
Mass Production
Production, quality control, packaging and delivery.
Have a custom battery project?
Quality Is Built
into Every Step
From component inspection to final release, the manufacturing workflow connects process control with electrical testing. Test scope and acceptance criteria are agreed for each project.
Incoming Inspection
Check cells and key components before they enter production.
Cell Matching
Evaluate cell consistency for the planned battery pack configuration.
Production Control
Control welding, connections and assembly throughout the production process.
Electrical Testing
Check the agreed voltage, capacity and charge / discharge characteristics.
Aging Test
Assess battery pack stability before final release.
Final Inspection
Review appearance, function, electrical checks and packaging before shipment.
Battery Solutions for
Diverse Applications
Different products place different demands on a battery. Explore the application areas supported by KRL and discuss the right starting point for your device.
Smart Wearables
Compact power for smart rings and wearable electronics.
Consumer Electronics
Battery solutions for handheld and connected products.
Medical Devices
Application-specific packs for portable medical instruments.
Beauty Devices
Rechargeable power for personal care equipment.
Smart Home & IoT
Compact batteries for sensors and connected devices.
Robotics & Automation
Custom packs for intelligent equipment and automation.
Portable Power
Battery systems for mobile energy and outdoor equipment.
Industrial Equipment
Power solutions for instrumentation and field equipment.
Inside KRL Battery
See how our battery solutions are made, from workshop assembly to laboratory evaluation.
A closer look at production
Explore KRL’s battery pack workshop and discuss your manufacturing requirements with our team.
Meet Our Team
Engineering, Manufacturing and Service Working Together
Successful battery projects require close cooperation between engineering, manufacturing, quality control and customer service. Our team works together throughout the entire development process to help customers move efficiently from concept to production.
Responsible Energy.
Sustainable Future.
Environmental Responsibility
We aim to improve energy efficiency, product life and reliability to reduce avoidable resource waste.
Responsible Manufacturing
We work to improve production processes, quality control and supply chain coordination.
Long-Term Partnerships
Reliable products, transparent communication and continued service support lasting customer relationships.
Looking for a Reliable
Battery Solution Partner?
Tell us about your application, voltage, capacity, dimensions or performance requirements. Our team will help you evaluate the right battery solution for your project.
Tell Us What Your Product Needs
Share your voltage, capacity, dimensions, application and expected quantity. Our engineering team will review the requirements and prepare the next technical steps.
