Phoenix Solar Solution

6.65 kWh home energy storage system, Dr. Sham Kularathne – Thalawathugoda

Client’s name :

Dr. Sham Kularathne

Commissioned Date :

25th January 2023

Category :

LiFePo4 Energy Storage System

Mounting type :

Wall mounted (Power wall)

Location :

Mattegoda, Sri Lanka

Total Energy Rating :

6.65 kWh

Brand of the Cells :


System description

  • The power wall was manufactured using Teak wood which is finely fabricated by skilled carpenters. The design is a proud outcome of our talented engineers and creatively crafted by Sri Lankan brains.

  • The battery pack was assembled in Sri Lanka and comes with a 5-year warranty for the cells.

Design Considerations

  • The pack was developed using 3.2V, 130Ah cells and developed as per the international wiring regulations. 16S1P cell configuration was adopted during the fabrication and a JK BMS is used to manage the cells.

  • An in-built active balancer along with all standard protective measures for cells have been incorporated to the system. The total energy stored in the system is around 6.6 kWh and it is expected to last for around 4000 cycles at an 80% DOD.

Advantages of the system

  • LiFePO4 cells can last up to 10 times longer than lead-acid batteries, which reduces the overall cost of ownership. This is because they have a higher cycle life, meaning they can be charged and discharged more times before they start to degrade.

  • LiFePO4 cells do not require any maintenance, unlike lead-acid batteries which need to be regularly checked for water levels and cleaned to prevent sulfation.

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