48V Lithium Battery Pack | ONESUN Renowned Manufacturer Offers Best OEM & ODM Solutions Globally

Dec 22, 2025

48V Lithium Battery Packs: ONESUN, an internationally renowned battery manufacturer, provides the best OEM and ODM battery pack solutions for global customers.

 

In today's rapidly developing energy sector, lithium battery technology has become a core force driving sustainable development and efficient energy storage. Among these, 48V lithium battery packs are highly favored for their high energy density, long lifespan, and safety performance. As an internationally renowned battery manufacturer, ONESUN, with years of technological accumulation and innovation capabilities, provides global customers with the best OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) battery pack solutions. Founded in 2014 and headquartered in Shenzhen, China, ONESUN is an integrator specializing in solar energy storage applications. It owns two advanced production facilities and is dedicated to the research and development and production of lithium batteries, solar inverters, and integrated energy storage systems. Through strict quality control and a global service network, ONESUN has become the preferred partner for numerous industry clients, helping them meet their customized energy needs.

 

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48V lithium battery packs are one of ONESUN's core products, typically utilizing lithium iron phosphate (LiFePO4) technology, a battery type renowned for its excellent stability and safety. For example, ONESUN's 48V 100Ah server rack battery has a storage capacity of 5.12kWh, supports wall-mounted or rack-mounted installation, and is suitable for home energy storage, commercial solar systems, and industrial applications. These battery packs have a cycle life of 6000-8000 cycles, far exceeding traditional lead-acid batteries, ensuring long-term reliable operation.

Parameter Typical Value Common Range Unit
Nominal Voltage 48.0 46.8 - 51.2 V (Volts)
Charge Voltage (Max) 54.6 54.0 - 58.4 V (Volts)
Cut-off Voltage (Min) 40.0 38.4 - 42.0 V (Volts)
Typical Capacity 20.0 5.0 - 100.0 Ah (Ampere-hours)
Energy Content 960 240 - 4800 Wh (Watt-hours)
Standard Charge Current 10.0 5.0 - 20.0 A (Amperes)
Max Continuous Discharge Current 30.0 15.0 - 100.0 A (Amperes)
Peak Discharge Current (10s) 60.0 30.0 - 150.0 A (Amperes)
Cycle Life (80% DOD) 1500 800 - 3000 Cycles
Operating Temperature (Charge) 0 to 45 0 to 50 °C (Celsius)
Operating Temperature (Discharge) -20 to 60 -30 to 60 °C (Celsius)
Storage Temperature 15 to 25 -10 to 35 °C (Celsius)
Self-discharge Rate (Monthly) 3.0 2.0 - 5.0 % (Percent)
Cell Configuration (Series × Parallel) 13S4P 13S-16S × 1P-10P -
Chemistry LiFePO4 / NMC LiFePO4, NMC, NCA, LMO -
Weight (for 20Ah pack) 5.5 4.0 - 7.0 kg (Kilograms)
Dimensions (for 20Ah pack) 300×150×100 Varies by design mm (Millimeters)
Communication Protocol CAN / UART CAN, UART, I2C, RS485 -
Protection Features BMS with OV/UV/OC/OT BMS standard protections -

 

 

At the same time, ONESUN's products comply with international quality standards such as CE, UL, and RoHS certifications, and feature a built-in intelligent BMS (Battery Management System) that monitors voltage, current, and temperature in real time, preventing overcharging, over-discharging, and short circuits. Compared to other batteries on the market, ONESUN's 48V lithium battery packs offer more than 20% improvement in energy efficiency, are lighter and smaller, facilitating transportation and installation.

 

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As an internationally renowned brand, ONESUN emphasizes the flexibility of its OEM and ODM services, providing customized battery pack solutions for global customers. In the OEM model, customers can provide design specifications, and ONESUN utilizes its advanced engineering team and automated production lines for mass production, ensuring seamless integration of the product with the customer's brand. For example, a European solar company customized 48V lithium battery packs through ONESUN's OEM service for its portable solar power stations, achieving efficient energy conversion and storage. In the ODM model, ONESUN is involved from the design stage, providing complete solutions, including battery pack structural optimization, capacity matching, and integrated inverter functions. This allows customers to obtain high-performance products without investing significant R&D resources.

 

ONESUN's factory is equipped with advanced testing equipment and supply chain management systems, supporting rapid iteration from small-batch prototypes to large-scale production, with delivery cycles typically controlled within 4-6 weeks.

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ONESUN's global customers span residential, commercial, and industrial sectors. In residential applications, 48V lithium battery packs are often combined with solar photovoltaic systems to form integrated energy storage solutions, helping users reduce electricity bills and achieve energy independence. For example, ONESUN's wall-mounted battery series, such as the 51.2V 100Ah model, can store 5kWh to 15kWh of energy, supporting grid-connected or off-grid modes, suitable for remote areas or emergency backup power.

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In the commercial sector, these battery packs are widely used in data centers and telecommunication base stations, providing stable 48V DC power to ensure uninterrupted operation of equipment. ONESUN also customizes battery packs for industrial equipment such as electric vehicles and forklifts, improving the range and efficiency of the equipment. An American logistics company, through ONESUN's ODM service, developed customized 48V lithium battery packs for its electric forklift fleet, reducing battery weight by 30% and shortening charging time by half, significantly improving operational efficiency.

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Why is ONESUN the best solution provider for OEM and ODM battery packs? First, its technological advantage stems from over 15 years of industry experience, using A-grade battery cells to ensure product consistency and durability. Second, ONESUN focuses on environmental protection and sustainability; all battery packs use recyclable materials, supporting the green energy transition. In addition, the company provides comprehensive after-sales support, including remote diagnostics, software upgrades, and global logistics services, covering European, North American, and Asian markets. Customer feedback shows that ONESUN's product failure rate is below 0.5%, far below the industry average.

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In the future, with the growing demand for renewable energy, 48V lithium battery packs will play an even more important role. ONESUN will continue to innovate and drive advancements in lithium-ion battery technology, providing more efficient and reliable solutions for customers worldwide. Choosing ONESUN means choosing not just a battery, but a reliable energy partner. Whether you are looking for OEM mass production or ODM innovative design, ONESUN can meet your needs and propel your business forward.

 

 all in one solar system

 

Article Source: Lithium battery manufacturer - ONESUN China

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