48 Volt Lithium Battery -Wall-mounted

Explore the RM48L series – a 48 volt lithium battery tailored for residential solar. High energy density, long lifespan, rapid charging and efficient. Ideal for eco-conscious homes. Learn more about this innovative solar solution.


4.8 kWh each
9.6 kWh each

48 Volt Lithium Battery -Wall-mounted

The WM48L series represents the pinnacle of battery technology, harnessing the power of 48 volt lithium battery systems to revolutionize residential solar applications. This cutting-edge battery, designed with superior lithium-ion technology, delivers unparalleled performance in energy storage. It is distinguished by its high energy density, enabling it to store significant power in a compact form. This characteristic is crucial in residential settings where space efficiency is vital.

Notably, the WM48L stands out for its remarkable longevity. It boasts a long lifespan, significantly outperforming traditional lead-acid batteries. This durability translates to fewer replacements and lower long-term costs, making it a sustainable choice for consumers. Another standout feature is its fast charging capability, a critical factor in today’s fast-paced world. It ensures that solar-powered homes can quickly store and utilize solar energy, enhancing the overall efficiency of renewable energy systems.


Rated Capacity


Charging Cycles

15 PCS

Max. Parallels

10 Years

Product Warranty

Built-in BMS

Ensures optimal performance and safety with integrated Battery Management System.

Safe & Stable

Engineered for safety; prevents overcharging, overheating.

Compact & Cost-Saving

Long lifespan, energy-efficient, reduces environmental impact

Wide Compatibility

Seamlessly integrates with various systems, enhancing versatility and applicability.

48 volt lithium battery

Technical Specification

Nominal Voltage:48V
Nominal Capacity:100/200AH
Cell Type:LFP
Recommended Charge Current:50A
Maximum Charge Current:100A
Recommended Discharge Current:50A
Maximum Discharge Current:100A
Maximum Parallels15
Communications: CAN/RS232/RS485
Life Cycles:6000+
Design Life:20 Years
Warranty:10 Years
Certifications: CE, IEC, UN38.3

Frequently Asked Questions

What is Depth of Discharge (DOD) and why is it important?

DOD refers to how much a battery can be used relative to its total capacity. Higher DOD means more usable energy. This lithium battery's DOD is as high as 90%, compared to 50% of traditional lead acid batteries. 

What are the pros and cons of low-voltage batteries?

Pros of low-voltage batteries include lower cost, easy maintenance, and better compatibility. They are more affordable, require less effort to maintain, and work well with various systems.

However, there is a drawback. When the accumulative current in the system becomes too large, it can potentially lead to safety and efficiency issues.

But for residential storage systems below 20kWh, low-voltage batteries are a more balanced and economical choice.

What is the lifespan of the 48V lithium Ion Battery?

The lithium battery is designed for longevity, offering over 20 years of reliable service with good maintenance and favorable ambient conditions.

What is kWh and how long can a 4.8kWh battery last?

kWh stands for kilowatt-hour, a unit of energy representing the power of one kilowatt running for one hour. The duration a 4.8kWh battery can last depends on the load it's powering. For example, if you're using appliances that total up to 480 watts, the 4.8kWh battery would last for approximately 10 hours. However, for a 960-watt load, it would last about 5 hours. The actual duration can vary based on efficiency and other factors.

How should a lithium battery be maintained and used for maximum lifespan?
  • Regular Charging: Avoid complete discharges. Charge the battery regularly without letting it drop to 0%.
  • Optimal Charge Levels: Maintain charge levels between 20% and 80% to reduce stress and extend battery life.
  • Ambient Temperature: Store and use the battery in moderate temperatures, avoiding extremes of heat or cold.
  • Proper Storage: If not in use for extended periods, store the battery at a 50-60% charge in a cool, dry place.
  • Avoid Fast Charging: Unless necessary, avoid fast charging as it can increase the battery's temperature and wear it out faster.
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