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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

8 hours ago

Products

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.

10 hours ago

Products

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

Distributed

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.

Mar 04, 2026

Products

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

Fire risk and safety

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.

Mar 02, 2026

Products

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.

Feb 27, 2026

pv magazine Global March Edition 2026

New March issue – Now available

The March issue of pv magazine Global is out now! Available in print and digital – get your copy today!

pv magazine Focus 2026 announcement box

pv magazine Focus 2026

1-Day Conference

High-level discussions on solar and energy storage across Europe. Experts explore how to plan and execute bankable BESS projects, what quality and warranty factors matter, and how energy management systems optimize residential and C&I applications, including heat pumps, EV charging, and new market opportunities.

1:00 – 5:00 pm, CEST | June 24, 2026

The smarter E Europe, ICM Conference Center | Munich, Germany

Register For Free

Battery Business & Development Forum 2026

Connect with Europe’s energy storage leaders at the Battery Business & Development Forum 2026 Frankfurt and gain insights into evolving business models, financing strategies, and market trends.

March 31 – April 1, 2026 | In Person Event

Hotel Meliá Frankfurt City | Frankfurt am Main, Germany

SunRise Arabia Conference 2026

SunRise Arabia Clean Energy Conference 2026

Saudi Arabia is accelerating its clean energy transition. Join the third SunRise Arabia Clean Energy Conference in 2026 to explore how solar PV and energy storage are powering the Kingdom’s growing digital economy, including data centers. Policymakers, investors, and innovators will share insights on technology, deployment strategies, and long-term value creation in Saudi Arabia’s evolving energy landscape.

9:00 am – 6:00 pm, AST | April 22, 2026

Riyadh, Saudi Arabia

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All Products news

Products

Sunwoda launches the world’s first 10-metre, 2 MWh mobile energy storage system Sunwoda’s MESS 2000 mobile energy storage vehicle packs a battery into a truck.

Apr 24, 2025

Products

Spain’s Cegasa unveils its first utility-scale battery The Spanish manufacturer will exhibit the E/Xpand HV battery at the upcoming Smarter E show in Munich next month. It will showcase racks for commercial and industrial (C&I) and large-scale systems of up to 5 MWh.

Pilar Sanchez Molina

Apr 24, 2025

1KOMMA5's Power Harvester product

Products

1Komma5° launches battery system for households without solar The new product aims to arbitrage electricity prices, but based on current projections, households may need a high level of consumption to see a rapid pay-back period

Sandra Enkhardt

Apr 22, 2025

Finance

Battery storage prices fall as demand grows in Italy, says industry Italian industry players saw energy storage systems fall in price in 2024, but 2025 may be a different story.

Lara Morandotti

Apr 22, 2025

Products

TBEA unveils 400 kW+ string PCS, 6.25 MWh BESS The Chinese manufacturer has designed a new high-density 400 kW+ power conversion system (PCS) and 6.25 MWh battery energy storage system (BESS) to cut costs and boost deployment speed.

Apr 22, 2025

Products & Services

CATL unveils 587 Ah battery energy storage cell The competition in the development of large-capacity cells is heating up, with the industry's top player stepping up to shape the new standard in the battery energy storage space.

Apr 16, 2025

Products & Services

Hithium unveils 587 Ah cell and 6.25MWh storage system The Chinese manufacturer said that several battery energy storage system integrators have already started incorporating the 587 Ah cell into their platforms and believes this new specification is well-positioned to become an industry benchmark for lithium iron phosphate (LFP)-based energy storage systems.

Apr 16, 2025

Products

TrinaStorage launches Elementa 3 utility-scale battery storage system The new utility-scale battery energy storage features 565 Ah cells and delivers a rated capacity of 6.017 MWh with a typical discharge duration of four hours.

Apr 15, 2025

EcoFlow Stream Ultra

Products

EcoFlow launches balcony power plant with new modular battery approach EcoFlow's new Stream series, its second-gen balcony solar plant, enables battery coordination and plug-and-play solar for distributed batteries, plus a standalone battery for existing sytems.

Apr 15, 2025

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