Huawei has launched a new storage solution for rooftop photovoltaic systems.

"The Huawei LUNA S1 continues Huawei's unique Module+ architecture, with a built-in energy optimizer and an industry-first use of the leading large cell (280Ah), far exceeding the industry level," Huawei said in a statement. The statement. "Optimized at the battery pack level, it has increased its energy throughput over its lifetime by more than 40 percent and achieved an industry-leading 15-year limited warranty thanks to its high quality and reliability, providing users with a longer service life and superior return on investment."

The Luna2000-7/14/21-S1 storage system is available in three versions with 1, 2 or 3 battery modules with available energy ranging from 6.9 kWh to 20.7 kWh.

The maximum charge and discharge power range is 3.5kW to 1.05kW, and the operating voltage range is 350V to 560V for single-phase systems and 600V to 980V for three-phase systems.

The single-module version measures 590 mm x 255 mm x 510 mm and weighs 80 kW, while the three-module system measures 590 mm x 255 mm x 1,230 mm and weighs 216 kg.

The operating temperature range of the new storage system is -20°C to 55°C and the protection level is IP66.以上翻译结果来自有道神经网络翻译（YNMT）· 通用场景