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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
14 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
16 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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EcoFlow expands Home Energy Management System to European market EcoFlow's Home Energy Management System and app is rolling out to the EU, with AI-functions for managing dynamic tarrifs and weather for a home solar+storage setup.
Tristan Rayner
May 08, 2025
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CATL at Smarter E: We are entering the era of 9 MWh systems The world's biggest battery maker unveiled its latest utility-scale battery energy storage product- the Tener Stack – at the Smarter E show. The 9 MWh system supports both centralized and string power conversion system architectures, offering flexibility for a range of deployment scenarios.
Marija Maisch
May 07, 2025
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BYD launches new Blade-based home battery: Battery-Box HVB BYD has launched its new Gen4 home battery known as HVB, and is expected to be a popular addition to the residential storage space.
Tristan Rayner
May 07, 2025
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Dutch-manufactured gel lead-acid battery doubles lifespan, expands to C&I sizing The Qurmit battery gel lead-acid battery has expanded to the commercial and industrial sector with a larger capacity battery, and new technolgoy has improved the lifespan.
Tristan Rayner
May 07, 2025
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Canadian Solar’s storage unit launches 5 MWh battery E-storage said its new large-scale battery has a life of more than 12,000 cycles. The system has a nominal capacity of 5 MWh and roundtrip efficiency of up to 95%.
Emiliano Bellini
May 07, 2025
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Jackery launches next-generation balcony power storage unit at ees Europe 2025 Jackery’s updated balcony solar battery storage system features a more compact form factor and advanced fire suppression technology for enhanced safety.
Tristan Rayner
May 07, 2025
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Dutch manufacturer Atmoce launches retrofit-ready home battery The company is targeting older home PV arrays with its M-ELV product, which does not require replacement of solar inverters.
Marian Willuhn
May 07, 2025
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Poweroad launches 233 kWh battery for C&I solar The Chinese manufacturer said that up to 10 battery cabinets can be connected in parallel to reach a total storage capacity of 2.33 MWh.
Lior Kahana
May 07, 2025
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Elywhere, Evyon merge to combine second-life batteries with EV charging The Norwegian companies will exist under the Elywhere brand, supplying an all-in-one skid that provides fast-charging for electric vehicles (EVs)
Tristan Rayner
May 05, 2025

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