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Home > CASES > Stackable Home Battery ESS - TKPH15000

Stackable Home Battery ESS - TKPH15000

2024-09-10

Project Overview:

In India, where energy access remains a challenge in many rural and semi-urban areas, we successfully completed a major solar energy storage project using the EASTAR STACKABLE TKPH15000. This project focused on providing reliable and sustainable power to both residential and commercial establishments, especially in regions with intermittent grid supply or where grid infrastructure is lacking. The TKPH15000 storage system, with its 5120Wh energy capacity and 100Ah lithium-ion battery pack, plays a key role in solar energy storage, ensuring continuous power and reducing dependency on the national grid.


Our solution was implemented in multiple off-grid and grid-tied locations across India, supporting renewable energy initiatives and helping communities transition towards sustainable energy. By leveraging solar power and advanced energy storage technology, this project not only addresses energy shortages but also contributes to India’s broader efforts to enhance clean energy adoption.

Key Features and Benefits:

  1. High-Efficiency Solar Energy Storage:

    • Nominal Energy: 5120Wh
    • Nominal Capacity: 100Ah
    • Nominal Voltage: 51.2V The TKPH15000 is designed to store and manage energy efficiently, ensuring reliable power even during nighttime or peak demand hours when solar generation is not available. With its powerful capacity and scalability, this solution supports both residential solar power systems and small businesses.

  2. AC & DC Compatibility:

    • The TKPH15000 system supports AC and DC inputs, enabling seamless integration with existing solar PV systems in both grid-connected and off-grid environments. This flexibility allows the system to cater to a variety of installation requirements in India’s diverse energy landscape.

  3. Extended Cycle Life & Reliability:

    • Cycle Life: Over 3000 cycles
    • Internal Resistance: ≤35mΩ With a long-lasting cycle life, the TKPH15000 ensures that communities will benefit from reliable energy storage for many years, helping them overcome frequent grid disruptions and contributing to a more stable power supply.

  4. Efficient Charging & Discharging:

    • DC Normal Charge Voltage: 58.4±1Vdc
    • Continuous Discharge Current: 100A
    • Max Charge Current: 300A (30s) The advanced charge/discharge features of the TKPH15000 ensure fast and efficient energy storage, with the system supporting both high charge currents and optimal discharge rates. This allows for faster integration into local energy grids, reducing the time spent on maintenance and ensuring consistent power during outages or periods of high demand.

  5. Temperature Resilience:

    • Charge Temperature: 0℃ to 45℃ (32°F to 113°F)
    • Discharge Temperature: -20℃ to 60℃ (-4°F to 140°F) The TKPH15000 is built to operate efficiently in a range of temperatures, making it ideal for India's diverse climate. Whether it's the heat of the summer or cooler winter months, the TKPH15000 continues to perform reliably in various environmental conditions.

  6. Low Self-Discharge:

    • Self-Discharge Rate: <3% per month The low self-discharge rate ensures that the system retains energy for longer periods, making it an efficient and low-maintenance energy storage solution for remote locations in India where access to power may be intermittent.

  7. Compact Design:

    • Dimensions: 550mm x 500mm x 200mm The compact design of the TKPH15000 allows for easy installation in a variety of settings, from small homes to commercial setups. Its wall-mounted feature saves space and fits perfectly in urban, rural, or industrial environments.

Key Impacts and Outcomes:

  1. Enhancing Energy Access in Rural India: In remote areas of India, where the national grid is either unreliable or non-existent, the TKPH15000 provides a dependable solar energy storage solution. Communities now have the ability to store energy generated during the day and use it at night, ensuring uninterrupted power for lighting, cooking, and business operations.

  2. Cost Savings for Local Businesses: Many small businesses in rural and semi-urban India experience frequent power outages and high electricity costs. With the TKPH15000, these businesses can store solar energy, reducing their reliance on the grid and lowering energy costs. Additionally, using solar energy helps mitigate the financial impact of rising electricity prices from traditional sources.

  3. Support for India’s Renewable Energy Goals: By adopting the EASTAR TKPH15000, this project directly supports India's ambitious renewable energy targets. As the country works to expand its use of solar energy and reduce its carbon footprint, projects like these demonstrate how solar storage solutions can enhance the effectiveness of renewable energy deployment, especially in off-grid areas.

  4. Sustainability and Environmental Impact: With solar power as the primary energy source, the TKPH15000 reduces the need for fossil-fuel-based electricity, helping to decrease CO2 emissions. This system plays a key role in promoting green energy and contributing to India’s commitment to clean energy.

  5. Energy Security: The TKPH15000 ensures energy security for off-grid communities by providing a reliable power supply even during power cuts or periods of high demand. This is especially important in areas prone to frequent outages, where maintaining a constant power supply is critical for daily activities and business operations.

Applications in India:

  • Residential Solar Storage: Homes in remote villages or urban areas with unstable grid power benefit from the TKPH15000 for efficient solar energy storage, providing electricity for lighting, appliances, and other basic needs.
  • Commercial Use: Small businesses such as shops, restaurants, and local offices use the TKPH15000 to store solar energy, cutting down on electricity costs and ensuring operations continue smoothly even during power interruptions.
  • Off-Grid Locations: The TKPH15000 is an ideal solution for off-grid locations in India, providing clean and reliable energy to rural communities that are disconnected from the national grid.
  • Emergency Backup: The system serves as an emergency backup during natural disasters, power shortages, or grid failures, ensuring critical infrastructure continues to operate.