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April Battery Index: Steady at home, tighter at scale

Pricing in the residential battery segment was relatively stable in April, with only limited month-on-month changes across most categories.

·         High-voltage premium brands: €273.3/kWh (0% vs March)

·         High-voltage performance brands: €165.3/kWh (+9% vs March)

·         Low-voltage brands: €114.7/kWh (+1% vs March)

The most visible movement came in the high-voltage performance category, where average pricing rose significantly compared with March. The increase was driven primarily by stronger positioning from Deye and Growatt products within the marketplace.

April PV Index – prices push on as demand loses its edge

Premium high-voltage systems, meanwhile, were broadly unchanged, suggesting continued pricing stability in the upper residential segment. Low-voltage batteries likewise recorded only marginal upward movement.

Changes in residential brand rankings

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Changes in residential brand rankings

Top 5 battery brands: April 2026

Dyness returns to the leading position in the residential battery ranking for April, supported by continued strong marketplace visibility and broad product representation.

Deye ranks second, holding stable momentum in the residential segment, while Huawei slips to third place after leading the ranking in previous months.

Pylontech takes fourth, with Sungrow rounding out the Top 5 for April.

Overall, the ranking structure was relatively stable compared with March, with no major shifts among the leading residential battery brands.

The price curve for smaller commercial systems ticked up

sun.store

The price curve for smaller commercial systems ticked up

Commercial segment (20–120 kWh): stable pricing across a more selective market

Pricing in the commercial and industrial storage segment held relatively stable in April, although product availability continued to decline across both monitored capacity ranges.

·         20–30 kWh systems: €231.1/kWh (+6% m/m)

·         60–120 kWh systems: €225.8/kWh (0% m/m)

The smaller commercial segment recorded a noticeable rise in average pricing compared with March, while the larger 60–120 kWh category was effectively unchanged.

Most offered products – April 2026

Dyness topped the brand ranking for 20-30 kWh systems

sun.store

Dyness topped the brand ranking for 20-30 kWh systems

20–30 kWh segment

The smaller commercial segment continues to be dominated by modular tower-based systems designed for scalable commercial applications.

Dyness Tower Pro TP23 was again the most represented product on the marketplace in April, followed by several BYD HVB configurations covering different capacity ranges.

The concentration around a limited number of modular platforms continues to reflect installer preference for flexible systems that can be expanded easily depending on project requirements.

Deye was the most popular brand for larger C&I batteries at sun.store in April

sun.store

Deye was the most popular brand for larger C&I batteries at sun.store in April

60–120 kWh segment

The larger commercial storage segment remained concentrated around a relatively narrow group of integrated commercial battery platforms. In April, Deye GE-F60 was the most represented product in the marketplace, followed by Solax AELIO systems and KSTAR commercial solutions. (hcn)