Currently, the market for residential energy storage systems is mainly concentrated in Europe, North America, Australia and South Africa.

In terms of battery cell selection, since the system providers of early residential energy storage systems are mostly local companies in Europe, North America, Japan and South Korea, their supporting battery cells are dominated by Japanese and South Korean ternary battery systems such as LG, Panasonic, and Samsung.

With the strong entry of Chinese battery manufacturers and the unanimous choice of the technical route of LFP cells, the battery cell matching pattern of residential energy storage systems is being reversed.

In 2021, lithium battery shipments for residential energy storage systems in China reach 5.5GWh, a year-on-year increase of 83%. The market development of residential energy storage systems in China has the following characteristics:

1) There is little domestic demand for residential energy storage systems in China, and more than 90% of the products are exported.

2) Compared with grid energy storage systems and telecom energy storage systems, there are fewer Chinese companies engaged in lithium batteries for residential energy storage systems. There are relatively few manufacturers involved in residential energy storage systems, but the requirements are high, especially involving many certifications, and the gross profit margin of their products is as high as 30%.

3) The residential energy storage system market is dominated by consumers, and the ability to develop brands and channels is the core competitiveness of enterprises.

The shipments of battery cell manufacturers for residential energy storage systems in China in 2021 are ranked in the following table.

PYLONTECH focuses on the South African, EU and Australian markets. In 2021, PYLONTECH 's energy storage products will sell 1.54GWh in total, an increase of 111.96% compared with 2020.

ATL is the world's largest manufacturer of 3C digital lithium batteries. In 2019, ATL established a subsidiary, Poweramp, and began to enter the field of residential energy storage. Relying on ATL's LFP battery technology, Poweramp can provide a complete set of products including cells, modules, battery systems, etc. for residential energy storage, telecom backup power, industrial and commercial energy storage and other customers.

BYD is deeply involved in the UK and EU markets. BYD's energy storage products are system-wide products, and its three core materials (cells, PCS and BMS) are developed and produced by itself, and sold through terminal channels.

According to the statistics of battery cell shipments, the shipments of lithium batteries for residential energy storage systems of the top three companies have all exceeded 1GWh.

In addition, ATL, EVE Energy, Ruipu Energy and Great Power are mainly selling battery cells.

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