This high-tech home battery pack from Huawei hopes to power Tesla’s latest Powerwall with silicon carbide technology, built-in AI-powered energy management, and enough modular storage to keep even big houses bright and warm when the rest of the block goes dark.
Huawei believes its new Luterra S2 is more than just a home backup battery. The Chinese technology firm calls it an “all-in-one residential energy system” that combines a hybrid inverter, modular battery storage and AI-powered energy management in a single, simple and stackable package that is available in single-phase versions that produce between 3 and 10 kW and three-phase versions that can generate up to 20 kW.
Luterra S2 is the first system of its kind to use Huawei’s proprietary silicon carbide (SiC) architecture, which promises greater efficiency, power density and ease of use. In fact, it’s so easy that Huawei claims it can be installed and up and running in just a few minutes.
“We are delighted to introduce Huawei Luterra S2, our next-generation all-in-one residential power system,” said Steve Zhang, President of Huawei Distributed PV & BESS Business. “By combining an all-SiC architecture, AI-powered power management and industry-leading security, Luterra S2 is designed to be smaller, lighter, quieter, safer, smarter and more powerful than ever before.”
All about the all in one
The basic configuration of Huawei’s Luterra S2 starts with “only” 5 kWh of battery energy storage and 3 kW of power. That’s enough to keep essential appliances, lighting, and electronics running during a power outage, but you’ll want to continue if you’re preparing for more than a day or two without power.
If that sounds familiar, Luterra has you covered. The modular system can be expanded with 7 kWh modular LFP battery packs and can be scaled up to a massive 336 kWh total storage in interconnected systems, with inverter power reaching an impressive peak of 60 kW using three 20 kW units in parallel.
Keeping all that power cool and quiet is a passive cooling system developed by Huawei that works without external fans, keeping operating noise levels below 29 dB (about the same as my Mac mini). It operates at ambient temperatures from –25°C to approximately 60°C and features a rugged IP66-rated housing (safe from hitting with a high-pressure hose) with corrosion protection up to C5-M to prevent rust.
Unfortunately, the Luterra S2 probably won’t be coming to the US anytime soon, but fear not! If you’re looking for an alternative to the Tesla Powerwall that doesn’t help fund the worst people in politics, there are several great home battery systems on the market that can provide backup power, store your solar energy, and keep your home running when the grid goes out. We’ve rounded up some of the best alternatives here.
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