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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

11 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.

13 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

Bulgarian manufacturer unveils 8.1 MWh battery energy storage system Designed entirely in-house, the X-BESS 8 features a liquid-cooled, three-level inverter topology that achieves 99.5% efficiency.

May 02, 2025

Products

Biwatt releases 4.5 kWh sodium-ion battery The Chinese manufacturer said its new IP65-rated product has a lifetime of 5,000 cycles. Up to four batteries can be stacked together, with total storage capacity reaching 72 kWh.

Apr 30, 2025

Products

PowerPlus presents residential hybrid inverter, battery solution Australian battery designer and manufacturer PowerPlus Energy has unveiled a new all-in-one energy storage solution featuring a single-phase 7 kW inverter and a 13.4 KWh stackable battery.

Apr 30, 2025

Products

ZTT debuts 7.58 MWh liquid-cooled battery storage system The ENERGRID NA7 incorporates ZTT’s self-developed 3S-integrated power conversion system (PCS) and supports 2000 V high-voltage DC input.

Apr 29, 2025

Finance

iwell secures €27M to scale battery storage solutions amid grid constraints iwell, a Dutch start-up and provider of energy storage solutions, has raised fresh capital to accelerate as grids across the EU face constraints.

Apr 29, 2025

Distributed

FlexHome Energy: Get a free home battery, let your utility use it, and save on energy costs A new product from German supplier FlexHome Energy would offer residents without a solar array, such as apartment dwellers, the chance to make electricity savings and strengthen the grid.

Sandra Enkhardt

Apr 29, 2025

Products

Narada Power launches 783 Ah cell, 8.3 MWh solid state battery The new 20-foot Center L Max system is configurable for storage durations ranging from two to eight hours and is compatible with 2000 V platforms. It utilizes the manufacturer’s proprietary 783 Ah cells, which feature an oxide solid electrolyte.

Apr 25, 2025

Products

HyperStrong unveils utility-scale battery storage system housed in 10-foot container The MagicBlock utility-scale storage platform supports two-hour to eight-hour discharge durations, targeting flexibility markets and long-duration energy storage needs. The 10-foot container supports a maximum capacity of 3.2 MWh and is available in both AC- and DC-coupled versions.

Apr 25, 2025

Exowatt P3

Manufacturing

Thermal storage startup Exowatt gets funding injection from Silicon Valley VCs The interest from Silicon Valley comes as data centers require rapid sources of new supply, with funding supporting a U.S. domestic manufacturer of thermal energy storage. However, the technology faces competition from solar PV and batteries.

Apr 25, 2025

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