BLJ all in one solar battery system 4.8 KWh

The RESS-04-A5000W-F all in one ess can be installed with a home energy storage integrated machine no matter it is in a photovoltaic off-grid application scenario, or even in a home without a photovoltaic system.

The lithium battery pack has a service life of more than 10 years. With a modular design, multiple energy storage units can be connected in parallel more flexibly, which is simple and fast, and greatly improves energy storage and utilization.


Energy(KWH) 4.8
Battery Type LiFePO4
Rated Power(W) 5000
Input Voltage and Frequency 230VAC, 50 Hz/60 Hz(Auto sensing)
Cycle Life ≥6000 (25℃, @80% DOD)
Max continue charge current(A) 60
Max continue discharge current(A) 100
IP protection IP21
Operation Temperature charge: 0~55℃ discharge:-20~60℃
Net Weight(KG) 77
Size(mm) 380*380*750


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Why Choose BLJ solar

Excellent Expertise

With rich expertise and experience in battery cell selection, BLJ Solar can always offer suitable energy solutions at the most competitive prices while maintaining product performance.

Technical Support

Backed by our talented R&D team, we boast advanced BMS technology and outstanding strength in pack design, and performance tests.

Smart Manufacturing

Armed with automatic production lines, we can not only control your budget but also ensure the reliablity, safety and uniformity of all batteries.

All-around Services

No matter whether you have needs in products, technology, or customization services you will be accompanied by a professional team on a 24/7 service.

Explore More about Our Capabilities

As an esteemed manufacturer of solar products, BLJ Solar has an abundance of insights and expertise to offer.

Technology has been the driving force behind our remarkable growth over the past decade, positioning us as a key player in the energy storage industry.

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Technical Strength >

From battery pack to energy storage system, our factory is able to fulfill the whole manufacturing with our own production lines, laboratories, workers, and technology.

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In-house Manufacturing >

Placing quality at the top, we leave no stone unturned when it comes to attention. With a focus on performance, our products serve as a testament to our unwavering commitment to quality management.

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Frequently Asked Questions

  • Charge controller testing

    To test charging efficiency, stability, overcharge/over-discharge protection, and other functions of the controller to ensure that it operates correctly.

  • Battery testing

    It involves tests of capacity, output voltage, cycle life, and other parameters of batteries to ensure that their quality meets the required standards.

  • Inverter testing

    This contains tests of conversion efficiency, output waveform purity, and other parameters to ensure that its performance meets the required specifications.

  • Overall performance testing

    It includes the output power, voltage, current, efficiency, and other parameters of the entire portable solar power generator to ensure that its overall performance meets the design requirements.

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