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Energy Storage Inspection 2026: Fox ESS, SMA, SAX Power, Kostal and BYD impress with high efficiency Twelve photovoltaic storage systems with capacities of 5 kW or 10 kW were included in the comparison, among them several new products, all of which achieved efficiency class A. A new study – also examining efficiency losses when storing electricity from the grid – highlights the importance of highly efficient battery storage. The researchers also took a closer look at the warranty conditions of the devices.
Sandra Enkhardt
10 hours ago
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Solis launches new residential storage system portfolio The Chinese manufacturer said its new three residential battery lines support a depth of discharge of 90% and deliver over 6,000 cycles.
Lior Kahana
12 hours ago
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Sigenergy unveils 2.68 kWh battery for balcony PV Sigenergy has launched a 2.68 kWh balcony storage system with four MPPTs and up to 4 kW of PV input. The scalable LFP solution offers 800 W grid output, 1.2 kW backup power, and expansion up to 18 kWh per tower.
Emiliano Bellini
Mar 05, 2026
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Photoncycle raises investment, aims to bring long-duration hydrogen energy storage systems to homes in 2027 The Norwegian company wants to create long-duration storage options using excess solar to create hydrogen to store as ammonia for use in cold, dark winters.
Tristan Rayner
Mar 04, 2026
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Ecoflow debuts 5 kWh residential inverter battery with 100% depth of discharge EcoFlow has unveiled the single-phase Ocean 2 all-in-one battery inverter at Key Energy in Rimini. The system features a more compact 5 kWh LFP battery stackable up to 30 kWh and offering 100% depth of discharge, 3.4 kW discharge power, and IP66 protection.
Emiliano Bellini
Mar 04, 2026
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Australian regulator ramps up battery inspections Solar battery installers have been warned to “do it once and do it well” as the number of batteries installed across Australia under the federal government’s Cheaper Home Batteries Program surges past the 250,000 milestone, delivering a combined 6.3 GWh of capacity.
David Carroll
Mar 02, 2026
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Bluetti launching Elite 300, world’s smallest 3 kWh portable power station [UPDATED] The Bluetti Elite 300, packing more power than ever into a small form, will be available with early-bird discounts from March 8.
Tristan Rayner
Feb 27, 2026

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