Precision-Engineered Lithium Power for Every High-Demand Application
Beyond standard cells. We manufacture high-performance lithium batteries that deliver superior cranking amps for motorsports and ultra-stable deep cycles for off-grid energy storage.
Supplies Series of LiFePO4 & Lithium Batteries
Leadmax is a trustworthy lithium iron phosphate battery manufacturer known to produce expert, safe, and durable lithium batteries and LiFePO4 batteries.
High-Performance Lithium Car Batteries
Leadmax Lithium Car Batteries offer a modern, high-performance replacement for traditional lead-acid batteries. Engineered with safe and durable LiFePO4 technology, they deliver stronger cold cranking, faster charging, and longer cycle life for cars, SUVs, and trucks. With built-in smart BMS protection, lightweight design, and maintenance-free operation, these batteries ensure reliable daily starts and superior overall performance. Explore our full range to find the perfect lithium solution for your vehicle.
Leadmax Lithium Motorcycle Battery
Leadmax offers high-performance LiFePO4 motorcycle batteries directly from our factory. Designed to replace traditional lead-acid batteries, our batteries provide strong starting power, fast charging, long cycle life, and reliable daily performance. Built-in smart BMS ensures protection against overcharge, over-discharge, and short circuits.
Leadmax Slimline Lithium Batteries
Leadmax offers our Slimline LiFePO4 batteries directly from the factory. Designed for RVs, boats, 4WDs, and off-grid applications, these high-performance batteries deliver strong starting power, fast charging, and long cycle life. Built-in smart BMS protects against overcharge, over-discharge, and short circuits. Lightweight, maintenance-free, and durable, Leadmax Slimline Lithium Batteries provide reliable power and consistent performance. Ideal for international buyers, brand owners, and importers seeking factory-direct solutions with guaranteed quality and competitive pricing. Explore our full Slimline range to find the perfect lithium battery solution for your business.
Lithium Golf Cart Battery
As a lithium battery manufacturer, Leadmax supplies LiFePO4 golf cart batteries designed to replace traditional lead-acid systems. Our factory-built solutions focus on stable power output, long cycle life, and reliable safety protection. With multiple voltage and capacity options available, Leadmax lithium golf cart batteries support OEM, ODM, and bulk supply for global distributors and importers.
Deep Cycle Lithium Battery – Reliable Power for Every Application
Leadmax deep cycle lithium batteries are designed to replace traditional lead-acid batteries with superior performance and longer life. Built with advanced LiFePO4 technology, they provide stable power output, fast charging, and deep discharge capability for RVs, boats, solar energy systems, and off-grid applications. Lightweight, maintenance-free, and durable, our batteries support OEM, ODM, and bulk supply, ensuring reliable daily operation and reducing long-term costs for international distributors and importers.
Proven And Versatile
Application Of Lithium Batteries
LeadmaxBattery is one of the leading lithium-ion battery manufacturers in China known for delivering lithium batteries for a variety of applications. Our lithium batteries can be used in solar systems, electric boats, sailboats, RV trailers, and various applications. LeadmaxBattery manufactures lithium batteries considering their safety, durability, longevity, and broad temperature range.
Quality Is Not A Feature. It Is A Process
Quality, Compliance & Verification
At Leadmax, we know that every cell, every weld, and every test result directly impacts the reliability and reputation of your brand.
Factory-Level Quality Control
Engineering standards that protect your brand
At Leadmax, every cell, weld, and test result protects your brand.
Our OEM lithium batteries are built on automated pack lines with full process traceability, ensuring consistent quality from assembly to final inspection—without relying on sampling.
All finished batteries undergo 100% charge–discharge aging tests, along with batch-level vibration, compression, and structural safety testing. Before shipment, each unit is verified for BMS functionality and protection logic.
Quality is not inspected at the end—it is engineered into every battery to ensure consistent performance, safety, and reliability at scale.
Safety Testing Beyond Spec Sheets
Leadmax testing goes beyond marketing parameters—it simulates real-world application scenarios:
Long-term charge–discharge cycle stability
Vibration and handling risks during transportation and installation
Structural integrity and safety under abnormal conditions
Only products that pass the complete testing process are approved for delivery, ensuring reliability in the field—not just on paper.
Why OEMs Choose Leadmax Battery
OEMs rely on Leadmax because our quality system scales with production. Automated lines, traceable processes, and 100% validated batteries eliminate field failures, reduce warranty risk, and provide predictable performance across batches.
This gives OEM partners confidence to scale globally, launch products reliably, and protect brand reputation at every volume.
FAQ for Professional Buyers
We use Grade A cells, integrated Smart BMS, and flame-retardant enclosures to prevent thermal runaway and maintain consistent performance.
Overcharge, over-discharge, over-current, and temperature cut-offs are fully managed. Compatible with CAN/RS485 protocols for seamless system integration.
3500+ cycles at 0.5C discharge, 80% DoD, 25°C—critical for calculating Levelized Cost of Storage (LCOS).
Self-heating for cold environments and active cooling/ventilation for high-heat conditions ensure stable operation worldwide.
Yes—UN38.3, UL1973/UL9540A, IEC62619, CE/RoHS, and EU Battery Passport ready.
Clear timelines from PO to Port of Loading. Annual GWh-scale capacity ensures project scalability.
Custom form factors, voltages, and casing designs are supported, with fast R&D response for specialized applications.
Covers EOL capacity (≥70%) with clear terms for labor, shipping, and service support.
Have Compliance Or Testing Requirements?
Send us your target market and standards — our engineers will confirm feasibility.