Wholesale 120Ah LiFePO4 Battery Manufacturers & Supplier

High-Performance Lithium Iron Phosphate Energy Solutions Built for Industrial, Commercial, and Marine Applications Globally.

The Dynamic Evolution of 120Ah LiFePO4 Technology

The global shift toward green energy transit systems has placed the 120Ah Lithium Iron Phosphate (LiFePO4) battery format in high demand. Providing a distinct sweet spot between high capacity and transportable density, 120Ah cells and packs serve as the fundamental block for off-grid power storage, heavy RV systems, marine propulsion, and backup utility power supplies.

Compared to legacy lead-acid technologies, 120Ah LiFePO4 represents a massive performance jump: offering up to 10 times the cycle life and less than half the total volume weight. Industrial operators and telecom managers are rapidly replacing outdated SLA systems with LFP counterparts to achieve a dramatically lower total cost of ownership (TCO) over multi-decade installation terms.

Energy Solution Technology Overview

About Hangzhou LIAO Technology Co., Ltd.

A trusted global leader in Lithium Iron Phosphate (LiFePO4) cell development and custom packaging assembly.

Founded in 2009, Hangzhou LIAO Technology Co., Ltd. is a professional and leading manufacturer specialized in LiFePO4 batteries. Our products have been exported to more than 20 countries all over the world.

We already established a strict and efficient QC system. All of our products are produced strictly under quality management system of ISO 9001. Meanwhile, we have passed and always keep compliance to the environmental management system ISO 14001 as well as occupational healthy and safety management system ISO 18001.

LIAO R & D and production of lithium iron phosphate batteries, with safety, environmental protection, long life, large capacity, small size, light weight, superior performance, and according to the actual needs of applications, tailored to a variety of models of environmentally friendly batteries, sincere caring services to domestic and international customers.

15+ Years in Business
500+ Custom Designs
20+ Export Countries
2800+ Cycles (1C/100% DOD)

Engineering Strengths & Performance Advantages

Why LIAO batteries represent the pinnacle of reliability, customizability, and safe operation.

Best Safety

LIAO cells incorporate high-purity raw chemistry. They will not burn or explode under direct steel needle acupuncture testing, mitigating fire risk even under extreme mechanical trauma.

Excellent Performance

Engineered for harsh operating environments, LIAO batteries safely discharge within a broad temperature envelope ranging from -40 ℃ up to 85 ℃.

Long Cycle Life

Delivers exceptional long-term stability. Expect 2800+ cycles at 1C charge/discharge rates under 100% Depth of Discharge before capacity metrics slide down to 80% SOH.

Awarded in Europe

LIAO's LAXpower-1230 pack earned honors as a Testing Champion in European independent battery comparisons, proving our premium engineering credentials.

Battery R&D and Custom Layout Design

Your Primary Custom Battery Pack Manufacturer in China

LIAO is a professional custom LiFePO4 battery manufacturer that has been in business for over 15 years. We help 500+ customers create custom battery designs for various industries.

We have a world-class design team with electrical and mechanical engineers. With over 10 years of experience, our engineers can provide design battery pack solutions of your products. Our sales and engineer teams combine excellently to offer you battery expertise.

Our professional custom battery pack solutions help you save a lot of time and money, as well as get established on the market quickly. If you are looking for a custom battery pack manufacturer in China, please contact us for more details.

Highly Specialized Battery Solutions

Providing specialized power solutions tailored to specific commercial operational environments and requirements.

Golf Carts Solution

GOLF CARTS SOLUTION

The new generation of LiFePO4 golf cart batteries help your carts running easily in different golf terrains or courses, optimizing torque curves and eliminating standard battery maintenance duties.

Caravan Mover Solution

CARAVAN MOVER

Our LiFePO4 batteries help your caravan mover running quietly with no air pollution. At the same time, your labor costs are saved and working efficiency will be improved.

Industrial Vehicles Solution

INDUSTRIAL VEHICLES

Designed for short-distance cargo operations. Our batteries help industrial utility vehicles raise and transport heavy goods efficiently with minimal output drops, saving substantial operational costs.

E-Boat Battery Solution

E-BOAT BATTERY SOLUTION

E-boat/ship is a very environment friendly transportation tool for human beings or the nature. Our LiFePO4 batteries will cause no environment and sound pollution, providing long runtimes on open waters.

Why Source LiFePO4 Packs from Chinese Factories?

Chinese battery manufacturing represents the absolute benchmark of efficiency, boasting unmatched supply chain integration. From basic lithium raw material refining to high-grade cell assembly, every step is optimized within proximate technology clusters. This geographic optimization lowers raw component costs and accelerates R&D prototyping speeds.

At Hangzhou LIAO, we combine this industrial cluster efficiency with rigorous international certification workflows. Global buyers benefit from high production capacities, automated quality controls (including precision laser welding and capacity grading), and extensive logistical networks that ensure secure sea, rail, or air transit under strict UN38.3 transport standards.

Production Assembly Automation

Industrial Production Capacity & Factory Tour

A transparent look inside our high-tech fabrication facilities in Hangzhou, China, showing our precision assembly steps.

Global Service Network

Excellent service and reliable quality help us win a worldwide reputation, providing support and delivery to key international markets.

Western & Northern Europe

Strong operational footprints across Germany, France, Netherlands, Spain, and the United Kingdom, delivering customized industrial solution batteries matching CE standards.

The Americas

Supplying massive energy storage demands and RV conversion markets across the USA, Canada, Mexico, and Brazil with high-safety packs.

Asia-Pacific & Africa

Trusted solutions for Australia, Philippines, Thailand, Singapore, Korea, Japan, India, South Africa, Nigeria, and other regions requiring high-stability backup power.

Patents, Certification, & Compliance Reports

Independent verification of LIAO cell stability, safety, and patent credentials.

Global B2B Partners

Industry leaders trust LIAO to design and manufacture OEM/ODM battery packs.

Expert Q&A: Key Tech Factors in Sourcing 120Ah LiFePO4 Batteries

Explore detailed technical advice compiled by LIAO's chief engineering team to assist in your next custom B2B bulk purchase decision.

Q1: What is the true lifecycle advantage of choosing a 120Ah LiFePO4 battery over a 120Ah AGM lead-acid battery?
A1: A premium LIAO 120Ah LiFePO4 cell delivers 2800+ complete charge/discharge cycles at 100% Depth of Discharge (DOD) before its SOH reaches 80%. Conversely, a high-quality AGM lead-acid battery will experience rapid degradation after 300 to 500 cycles when discharged beyond 50%. Over a 5-to-10-year lifespan, LiFePO4 represents significant savings in capital expenditure.
Q2: Can LIAO customize the BMS (Battery Management System) on wholesale orders of 120Ah packs?
A2: Yes. Our R&D department designs custom BMS configurations. This includes custom over-current thresholds, customized temperature cutoff ranges (-40℃ to 85℃), CANbus/RS485/Modbus communication support, active balancing circuits, and integrated Bluetooth telemetry modules.
Q3: How does the acupuncture safety test prove safety against thermal runaway?
A3: Acupuncture testing simulates a severe internal short-circuit. While standard lithium chemistries (like NMC) can experience instant fire or explosions during this test, LIAO's stable olivine structure and cell chemistry ensure that the cell will not catch fire or explode when punctured by a steel needle.
Q4: Are your cells graded Grade-A and what certifications do they carry?
A4: Yes, LIAO utilizes Grade-A lithium iron phosphate cells with matched internal resistance and capacity values. We maintain strict manufacturing operations complying with ISO 9001 (Quality Management), ISO 14001 (Environmental Standards), and ISO 18001 (Occupational Safety) protocols. Many of our cells and packs carry CE, UN38.3, and MSDS clearance documents.
Q5: Can these 120Ah LiFePO4 batteries run at sub-zero temperatures?
A5: Yes. LIAO batteries can safely discharge in environments down to -40℃. However, standard LiFePO4 cells should not be charged at temperatures below 0℃ without an integrated heating system, as it can cause lithium plating on the anode. We can integrate auto-heating elements directly into your custom pack configuration upon request.
Q6: What is the optimal charge profile recommended for a 12V 120Ah pack?
A6: We recommend using a CC/CV (Constant Current/Constant Voltage) charge algorithm. For a 12V system, set the charge voltage to 14.6V (3.65V per cell) and terminate charging when the current tapers down to 0.05C. The ideal charging rate is 0.5C (60A) for long cell life, though they can handle up to 1C (120A) charging currents if required.
Q7: How do you configure a 120Ah pack for high-voltage industrial applications?
A7: For high-voltage systems (such as 48V, 72V, or high-capacity ESS arrays), we connect cells in series (S) and parallel (P) configurations. For example, a 48V 120Ah pack is built using 16S prismatic cells. The custom BMS regulates each cell line to prevent individual cell overcharging and overdischarging.
Q8: What packaging protection levels do you offer for harsh marine or robotic environments?
A8: For robotic applications, we offer space-saving, lightweight PVC wrap casings. For marine or harsh outdoor installations, we offer customized IP65 or IP67 rated ABS plastic or aluminum housings that resist water entry, saltwater corrosion, and high vibration levels.

Strategic B2B Sourcing of 120Ah LiFePO4 Batteries

A whitepaper excerpt detailing the long-term economic advantages, quality control parameters, and compliance standards for corporate procurement departments.

1. Total Cost of Ownership (TCO)

A detailed cost analysis comparing AGM lead-acid to LiFePO4 cells demonstrates that while the initial capital expenditure of LiFePO4 is higher, the cost per cycle is significantly lower. Sourcing Grade-A LFP cells from a certified factory yields a return on investment (ROI) within 24 to 36 months of deployment in heavy-duty commercial cycles.

2. Strict Testing Protocols

Enterprise buyers should demand extensive QA records. LIAO's standard quality workflow incorporates 100% capacity sorting, internal resistance matching, high-precision automated welding, and dynamic cycle aging tests. This ensures that every shipped module is safe and balanced, preventing early pack degradation.

3. Global Compliance Certification

Importation of lithium-based batteries requires strict compliance with international safety protocols. Ensure your supplier holds valid UN38.3 test summaries, safety data sheets (SDS), and CE markings. These certifications facilitate customs clearance and verify the structural integrity of the cells.