Read More

Introducing the WECO LOW VOLTAGE 4k4 LT

Are you ready to take your energy storage to the next level? Meet our latest offering, the WECO LOW VOLTAGE 4k4 LT – a revolutionary addition to our cutting-edge energy storage solutions lineup.

Key Features:

  1. New BMS with Self-ID Capability: The WECO LOW VOLTAGE 4k4 LT comes equipped with an advanced Battery Management System (BMS) featuring self-ID capability. This means seamless integration and hassle-free operation.
  2. Versatile Mounting Options: Whether you prefer wall mounting, floor mounting, or stacking for parallel applications, this system accommodates your needs with ease.
  3. High Capacity with Expandability: Boasting a substantial capacity of 4.4 kWh, this system is designed to meet your energy needs. Moreover, it’s highly expandable, allowing you to stack up to 5 units for a total capacity ranging from 67.5 kWh to 472.5 kWh.
  4. Real-time Wireless Monitoring: Stay in control with wireless monitoring that provides real-time data, enabling proactive intervention and maintenance. Keep tabs on your energy storage system from anywhere.

Technical Specifications:

  • Battery System Capacity (kWh): 4.4
  • Nominal Voltage (V): 51.2
  • Modules Expandability: Up to 8 direct parallel (Stack max 5 units)
  • Ingress Protection: IP30
  • Voltage Range: 45.5V – 58.4V
  • Usable Capacity (Ah): 86Ah
  • Dimensions (mm): 492x580x155
  • Weight (Kg): 46
  • Max Charge / Discharge Current: Up to 1C max
  • Standard Charge/Discharge Current: 0.5C
  • Depth of Discharge: Up to 95%
  • Communication Port: RS485, CAN, 232, Wi-Fi & Bluetooth (with External device)
  • Operating Temperature (°C): -20 to +55 (Discharge), -7 to +55 (Charge)
  • Shelf Temperature (°C): -10 to +50
  • Humidity: 5% to 95%
  • Altitude (m): < 3000
  • Expected Cycle Life @ STC: > 6000 (25°C)
  • Standards: IEC62619/CE /UN38.3

Advanced Protections and Monitoring:

The WECO LOW VOLTAGE 4k4 LT comes with various advanced protections, including pre-charge and MOSFET protection. Real-time balancing, adaptive charge/discharge logic, and mobile app monitoring make it a comprehensive energy solution.

Note: The values provided represent extreme values allowed by the BMS. For standard usage thresholds, please refer to the warranty terms.

Explore Greater Possibilities with WECO LOW VOLTAGE 4k4 LT

Unlock the potential of your energy storage system with the WECO LOW VOLTAGE 4k4 LT. Whether you’re a homeowner looking for sustainable power or a business seeking reliable backup solutions, this versatile unit is designed to meet your unique requirements.

Experience the future of energy storage. Contact us today to learn more and discover how the WECO LOW VOLTAGE 4k4 LT can transform your energy needs.

Click Here to Order this product today

Read More

Photons Energy has emerged victorious in the SolarX Startup Challenge

In a world where the demand for renewable energy solutions is ever-growing, Photons Energy stands as a beacon of innovation and commitment. As an Engineering, Procurement, and Construction (EPC) company, we are dedicated to assembling the most effective and efficient renewable energy systems, particularly in the field of high-efficiency DC pumps and smart controllers. In this article, we proudly share our journey from participating in and winning the SolarX Startup Challenge to our ongoing commitment to advancing renewable energy.

The SolarX Startup Challenge: Fostering Innovation

The SolarX Startup Challenge, orchestrated by the International Solar Alliance (ISA), provided us with a platform to contribute our expertise to the renewable energy sector. This competition wasn’t just about winning; it was about demonstrating how collaboration and innovation can drive the transition to cleaner, greener energy sources.

Our Commitment to Renewable Energy

Photons Energy’s dedication to renewable energy extends beyond words—it’s the core of our identity. In the SolarX Startup Challenge, we didn’t create pumps from scratch; we integrated the most efficient components to assemble high-performance DC pumps and smart controllers. Our commitment to sustainable energy solutions guided our approach.

Problem Statement: Assembling High-Efficiency Solutions

Our problem statement, focused on developing high-efficiency DC pumps with smart controllers, struck a chord with us. Access to clean and efficient water pumping solutions is a fundamental need in numerous regions facing water scarcity and agricultural challenges. Our approach was to assemble systems that not only maximized efficiency but also ensured affordability and scalability.

The Path to Victory

Our journey in the SolarX Startup Challenge was marked by dedication and innovation. We meticulously sourced and integrated components that were not only technologically advanced but also economically viable. Our focus was on creating solutions that addressed real-world challenges, particularly in underserved communities.

Victory in the SolarX Startup Challenge

When our approach and solutions were recognized with victory in the SolarX Startup Challenge, it was a validation of our commitment to making renewable energy accessible and practical. It demonstrated that by combining the right components and expertise, we could lead the way in sustainable energy solutions.

A Vision for Tomorrow

Winning the SolarX Startup Challenge wasn’t the end of our journey; it was just the beginning. Our vision extends far beyond the competition—to a world where renewable energy, particularly solar power, transforms how we meet our energy needs. We are determined to advance this vision through our dedication, innovation, and partnerships with like-minded organizations.

Our Ongoing Commitment

Photons Energy’s victory in the SolarX Startup Challenge has fortified our commitment to renewable energy and sustainability. While our expertise lies in assembling the most effective and efficient renewable energy systems, we are committed to refining and scaling these systems to benefit communities in need. Collaborating with organizations, investors, and stakeholders who share our vision is a crucial part of our ongoing commitment.


Photons Energy’s participation and victory in the SolarX Startup Challenge symbolize our dedication to renewable energy and our role as pioneers in assembling efficient and effective systems. Our approach of integrating the best components to create high-performance DC pumps and smart controllers is a testament to our commitment to real-world problem-solving. As we move forward, our mission remains clear: to illuminate the path to a sustainable future through renewable energy solutions that benefit us all. Together, we can harness the power of the sun to create a brighter, greener world.

Read More

Karibu KiliFair 2023: Join Photons Energy Ltd at Kilifair

Last year, we had the pleasure of meeting incredible individuals at KiliFair, sharing our passion for solar energy and showcasing the exceptional solutions provided by Photons Energy Ltd. The overwhelming response and enthusiasm from the visitors motivated us to return this year with even more to offer.

We are thrilled to announce our participation at KiliFair 2023, where we will be showcasing our latest solar designs, installation services, genuine tools and equipment supply, energy efficiency solutions, and much more. Join us from June 2 to June 4 at Booth U60, located at Magereza Ground, and discover the boundless potential of solar energy.

At Photons Energy Ltd, we believe in harnessing the power of the sun to provide sustainable and clean energy solutions. Our presence at Kilifair 2023 is an opportunity to engage with like-minded individuals who share our vision for a greener future.

We are committed to delivering innovative solar designs that cater to a diverse range of needs, from residential to commercial projects. Whether you are considering a rooftop installation or a large-scale solar farm, our team of experts will guide you through every step of the process, ensuring a seamless transition to solar power.

We invite all attendees of KiliFair 2023 to visit us at Booth U60, located at Magereza Ground. Our team of solar energy enthusiasts will be on hand to showcase our latest offerings, answer your queries, and provide personalized solutions tailored to your specific requirements.

Photons Energy Ltd is excited to participate in KiliFair 2023, an event that brings together individuals passionate about sustainable energy solutions. We are eager to share our expertise in solar designs, installation services, genuine tools and equipment supply, and energy efficiency practices.

Don’t miss the opportunity to visit us at Booth U60 at Magereza Ground from June 2 to June 4. Together, let’s unlock the potential of solar energy and pave the way for a cleaner and brighter future.

Contact Us