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Linuo Ritter launches 24-32 kW propane heat pumps for commercial, large residential buildings
The Chinese manufacturer has introduced three air-to-water propane heat pumps for commercial and large residential applications. The new units have nominal heating capacities of 24 kW, 28 kW and 32 kW, with a maximum leaving water temperature of 75 C.
Sep 21, 2026
Trane releases vertical-stack heat pumps for multi-story buildings
Trane has updated its 0.75-ton to 3-ton Axiom vertical-stack water-source heat pumps with an optional factory-installed energy-recovery ventilator and a new 1.65-meter cabinet. The R-454B units deliver efficiencies of up to 16 EER and feature a backward-compatible, removable chassis for easier replacement and servicing.
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Hithium launches 4 MWh sodium-ion BESS with new 785Ah cell
Hithium unveiled the ∞Power N4.0MWh, a 4 MWh sodium-ion storage system featuring a 785 Ah cell, 20,000-cycle life, and 30-year design life. Full-scale production is planned for 2027, initially targeting utilities before expanding to commercial, industrial, and residential markets.
Biwatt releases sodium-ion storage system for C&I applications
Biwatt launched the modular PowerLake I3 sodium-ion storage system for C&I applications, offering 43.6 kWh–2.09 MWh configurations using NFPP cells. Available as indoor racks or IP55 outdoor cabinets, it delivers up to 65.5 kW per 130.8 kWh unit and is rated for 8,000 cycles.
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Why German energy provider Rabot Energy is selling a 2 kWh AC-only battery, no solar required
Rabot Energy launched Rabot Flow, a 2.12 kWh plug-and-play home battery for German apartment renters that uses dynamic tariffs to charge when grid electricity is cheap and discharge during price spikes.
Sold at cost and requiring no electrician or smart meter, the Marstek-based battery promises around €120–€130 in annual savings while helping Rabot boost customer retention and grid flexibility.
GoSun unveils solar-chargeable electric tractor
GoSun and Moonrider have launched a 27 hp electric tractor powered by a 24 kWh LFP battery, with optional 1.1 kW solar charging. The four-wheel-drive tractor offers about five hours of runtime and features a 750 kg hitch lift capacity, rear PTO and connected functions.
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