Articles written by Tristan Rayner

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Markets & Policy
Türkiye allows higher-powered batteries behind existing grid connections New rules boost possibilities for businesses beyond grid-connection allowance for imports, provided controls prevent grid exports and excessive imports.
Tristan Rayner
Oct 21, 2026
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Technology & Products
EcoFlow launches 5-30 kWh residential storage system The three-model range combines battery backup, solar charging and a new home panel, Three models offer 5–30 kWh of storage, and with immediate availability. It’s a smaller starting option versus EcoFlow’s Delta Pro Ultra systems.
Tristan Rayner
Oct 14, 2026
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Markets & Policy
Inside BESS manufacturing: Maxxen’s utility-scale storage factory in Europe A detailed look at Maxxen’s advanced BESS factory from an on-the-ground tour.
Tristan Rayner
Oct 13, 2026
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Technology & Products
Anker Solix announces wheeled power station with 4.5 kW output The wheeled unit weighs 44 kg, with dual-voltage output and claimed idle consumption below 9 W in 120 V mode.
Tristan Rayner
Oct 12, 2026
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Technology & Products
Jackery steps into RVs with built-in 2 kW solar and 45 kWh storage All-electric trailers already embrace solar and storage, but the work is getting more custom.
Tristan Rayner
Oct 09, 2026
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Technology & Products
Inside BESS manufacturing: Maxxen’s utility-scale storage factory in Europe A detailed look at Maxxen’s advanced BESS factory from an on-the-ground tour.
Tristan Rayner
Oct 08, 2026
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Markets & Policy
Hithium’s sodium-ion storage push, where it could win, where it won’t, and path to bankability After Chinese manufacturer Hithium launched its new 4 MWh sodium-ion BESS alongside its new 785Ah cell for energy storage, in response to questions, Leb Lan, senior product manager, Hithium, spoke with ESS News to discuss not only the technology developments but also where and when a sodium-ion BESS cabinet will better suit the market than LFP-based battery cell technology.
Tristan Rayner
Oct 07, 2026
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Markets & Policy
South Korea marks major shift to sodium-ion batteries to regain market The Korean government has set a 2030 commercialization target for sodium-ion batteries, with energy storage among the intended markets.
Tristan Rayner
Sep 30, 2026
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Technology & Products
JA expands C&I battery range with hybrid and updated AC-coupled systems JA has expanded its European C&I battery storage portfolio with JAPlanet Fusion, a 125 kW/261 kWh DC-coupled solar-storage system with integrated rapid backup, and the upgraded AC-coupled JAPlanet 2.0. Both systems add enhanced safety, liquid cooling and backup capabilities, with European pre-orders opening in the second half of September 2026.
Tristan Rayner
Sep 29, 2026