Shenzhen First Tech Co., Ltd.

.gtr-container-q2w3e4 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; padding: 15px; max-width: 100%; box-sizing: border-box; border: none; } .gtr-container-q2w3e4 p { margin-top: 0; margin-bottom: 1em; line-height: 1.6; font-size: 14px; text-align: left; word-break: normal; overflow-wrap: normal; } .gtr-container-q2w3e4-title { font-size: 18px; font-weight: bold; margin-bottom: 1em; color: #0056b3; line-height: 1.4; } .gtr-container-q2w3e4-dateline { font-size: 14px; color: #666; margin-bottom: 1.5em; font-weight: normal; } .gtr-container-q2w3e4-dateline strong { font-weight: bold; color: #333; } .gtr-container-q2w3e4-section-heading { font-weight: bold; color: #000; margin-right: 0.5em; } .gtr-container-q2w3e4 em { font-style: italic; color: #0056b3; } .gtr-container-q2w3e4-image-wrapper { margin-top: 20px; margin-bottom: 20px; text-align: center; } .gtr-container-q2w3e4-image-wrapper img { max-width: 100%; height: auto; display: block; margin: 0 auto; border: none; } @media (min-width: 768px) { .gtr-container-q2w3e4 { padding: 25px 40px; max-width: 960px; margin: 0 auto; } .gtr-container-q2w3e4-title { font-size: 18px; margin-bottom: 1.2em; } .gtr-container-q2w3e4-dateline { font-size: 14px; } .gtr-container-q2w3e4 p { margin-bottom: 1.2em; } } Innovative High-Capacity Solar Inverters Launched in Germany, Boosting Renewable Energy Adoption Dateline: Munich, Germany – October 26, 2023 Article: In a significant stride toward sustainable energy solutions, cutting-edge 8.5kW and 11kW solar inverters debuted today at the Munich Renewable Energy Expo. These advanced units, tailored for Germany’s 230V residential and commercial grids, promise to revolutionize solar efficiency with their industry-leading features. Key Innovations Highlighted The inverters boast dual AC outputs and dual MPPT trackers, enabling simultaneous management of two PV arrays. With a maximum PV input of 500V and a robust 160A solar charge current, they ensure optimal energy harvest even in low-light conditions. Notably, they support parallel operation of up to six units, allowing scalable power up to 66kW—ideal for large installations like apartment complexes or small factories. A standout feature is the lithium battery activation via PV or grid power, ensuring uninterrupted energy during outages. Compatibility with LiFePO4 batteries via RS485 communication further enhances their appeal for modern energy storage systems. The inverters also operate without batteries, offering flexibility for grid-tied setups. Designed for German Resilience Engineered for Germany’s climate, the units feature detachable dust covers for harsh environments and operate flawlessly in temperatures from -10°C to 55°C. Their pure sine wave output (PF 1.0) guarantees stable power for sensitive electronics, with a rapid 10ms transfer time—critical for German households reliant on precision equipment. Dr. Klaus Fischer, a renewable energy expert at the expo, praised the technology: "These inverters address two critical needs: scalability for growing energy demands and resilience for Germany’s variable weather. The 96% PV-to-inverter efficiency sets a new benchmark." Real-World Impact At the expo, attendees observed live demonstrations where the inverters powered a simulated 40kW commercial setup using six parallel units. "This scalability is transformative," noted Anna Weber, a solar installer from Hamburg. "Expanding systems post-installation is now seamless—no costly overhauls needed." Future Outlook With Germany accelerating its Energiewende (energy transition), these inverters’ compatibility with smart monitoring (via optional Wi-Fi) and multiple output priorities (SUB/SBU/SUF) positions them as pivotal tools for achieving energy independence. The products are available across Europe this month, aligning with the EU’s push for carbon neutrality by 2050.

.gtr-container-x7y2z9 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 960px; margin: 0 auto; } .gtr-container-x7y2z9 p { font-size: 14px; margin-bottom: 1em; text-align: left; line-height: 1.6; word-break: normal; overflow-wrap: normal; } .gtr-container-x7y2z9 strong { font-weight: bold; } .gtr-container-x7y2z9 .gtr-main-title { font-size: 18px; font-weight: bold; margin-bottom: 1em; text-align: left; line-height: 1.4; color: #0056b3; } .gtr-container-x7y2z9 .gtr-date-location { font-size: 14px; font-weight: bold; margin-bottom: 1.5em; text-align: left; color: #555; } .gtr-container-x7y2z9 .gtr-section-title { font-size: 16px; font-weight: bold; margin-top: 2em; margin-bottom: 1em; text-align: left; color: #0056b3; border-bottom: 1px solid #eee; padding-bottom: 5px; } .gtr-container-x7y2z9 ul { list-style: none !important; margin: 1em 0 !important; padding: 0 !important; } .gtr-container-x7y2z9 ul li { position: relative; padding-left: 25px; margin-bottom: 0.8em; font-size: 14px; text-align: left; } .gtr-container-x7y2z9 ul li::before { content: "•"; position: absolute; left: 0; color: #0056b3; font-size: 1.2em; line-height: 1; top: 0; } .gtr-container-x7y2z9 img { max-width: 100%; height: auto; display: block; margin: 2em auto; border: 1px solid #eee; box-shadow: 0 2px 5px rgba(0,0,0,0.1); } @media (min-width: 768px) { .gtr-container-x7y2z9 { padding: 25px; } .gtr-container-x7y2z9 .gtr-main-title { font-size: 20px; } .gtr-container-x7y2z9 .gtr-section-title { font-size: 18px; } } California's Sunset Valley Community Deploys Advanced 48V/314Ah LiFePO4 Energy Storage System to Enhance Solar Resilience SAN DIEGO, Calif. — September 1, 2025 — The Sunset Valley Residential Community, a 200-home neighborhood in San Diego’s North County, today announced the completion of a cutting-edge 150kWh lithium iron phosphate (LiFePO4) energy storage system, designed to maximize the value of its existing 500kW rooftop solar array and protect residents from grid outages during wildfire season. A Community-Driven Solution to Energy Challenges Built in 2018, Sunset Valley was an early adopter of solar energy, installing panels on every home to reduce electricity costs and carbon emissions. However, residents faced two persistent issues: excess solar energy generated during the day was fed back to the grid at below-market rates, while evening peak demand (when solar production drops) still relied on expensive grid power. Worse, during California’s increasingly severe wildfire seasons—when utility companies implement Public Safety Power Shutoffs (PSPS)—the community lost power for 4–6 hours on three separate occasions in 2024, leaving families without refrigeration, medical device power, and cell phone charging. “Our solar panels were a great first step, but we needed storage to make our energy system work for us—not the other way around,” said Sarah Miller, Sunset Valley’s community manager, during a press tour of the new system at the community’s central energy station. “This project is about taking control: using our own solar power when we need it most and being prepared for whatever the grid throws at us.” The System: Compact, Safe, and Tailored for California The new storage system, provided by a top U.S. energy storage innovator, consists of 10 modular 48V/314Ah LiFePO4 battery units—each roughly the size of a small refrigerator—installed in the community’s existing energy station. The total 150kWh capacity falls perfectly within the 10kWh to 160kWh range the system supports without an external controller, giving Sunset Valley flexibility to expand later (up to 16 units, or 240kWh) as needed. Key features of the 48V/314Ah units include: High Safety: LiFePO4 chemistry, compliant with IEC62619, UN38.3, CE, and CEC standards, minimizing fire risk—critical for a community in a wildfire-prone region. Extreme Temperature Tolerance: Operates from -20°C to 65°C, withstanding San Diego’s scorching summers and rare cold snaps. Smart Management: A built-in battery management system (BMS) handles self-precharging, cell balancing, and remote monitoring, allowing the community to track performance via a web portal and receive firmware updates over the air. Seamless Integration: Compatible with the community’s existing hybrid inverters, enabling both solar self-consumption (storing day-time power for evening use) and backup power during outages. John Carter, senior technical director at the manufacturer, explained the design’s relevance to California: “We engineered this system to address the unique challenges of Golden State communities—wildfires, grid instability, and the need for scalable, safe storage. The compact, floor-mount design fits easily in existing spaces, and the 6000+ cycle life (at 90% depth of discharge) means it will serve Sunset Valley for 15+ years—aligning with their long-term sustainability goals.” Resident Feedback: “Peace of Mind During Outages” For Lisa Gonzalez, a 5-year resident and member of the community’s energy committee, the system’s most impactful feature is its backup power capability. “Last year, during the Cedar Fire outage, we lost power for 5 hours,” she recalled. “My husband uses a CPAP machine, and we had to rely on a small generator that barely kept it running. With this new system, we can power essential devices—refrigerators, medical equipment, phones—for hours, maybe even a full day. It’s a weight off our shoulders.” Gonzalez also noted the financial benefits: “Before, we were sending 30% of our solar energy back to the grid at 5 cents per kWh, then paying 35 cents per kWh for evening grid power. Now, we’ll use almost all our solar energy ourselves. The savings will add up quickly—maybe 200–300 per home per year.” A Model for California’s Energy Future The project is funded in part by a $75,000 grant from the California Energy Commission (CEC), which supports residential solar-plus-storage installations to reduce grid stress and enhance disaster resilience. Sunset Valley plans to launch a pilot program in October to measure energy savings, outage duration reductions, and resident satisfaction—data it hopes to share with other California communities considering similar upgrades. “California’s grid is struggling to keep up with climate change,” said Miller. “But communities don’t have to wait for the state to fix it. With systems like this, we can take charge of our energy, save money, and stay safe during outages. We’re proud to be a model for other neighborhoods looking to build resilience.” Looking Ahead: Scaling for a Sustainable Future Sunset Valley’s goal is to cut grid reliance by 50% within two years and achieve 100% solar self-sufficiency by 2030. The new storage system is a critical step toward that vision. As the state continues to grapple with wildfires, heatwaves, and grid outages, communities like Sunset Valley are leading the way in decentralized energy solutions. The successful deployment of this 48V/314Ah LiFePO4 system proves that scalable, safe storage can turn solar investments into true energy independence—one neighborhood at a time.

New Hybrid Inverter Boosts Off-Grid Resilience with Smart Power Management Munich, Germany – October 26, 2023 – A significant advancement in off-grid and hybrid solar power technology was showcased this week at a major European renewable energy conference. Industry analysts highlighted a new 6.2kW single-phase hybrid inverter, designed to enhance energy independence and battery management for homes and small businesses facing unreliable grids or seeking greater self-sufficiency.   The unit, demonstrated in prototype form, tackles key challenges in off-grid systems. Its standout feature is sophisticated dual AC output capability, enabling intelligent load management. This allows critical circuits, like medical equipment or communication devices, to be prioritized during power shortages, while non-essential loads can be automatically shed. Sources familiar with the demonstration confirmed this function significantly improves system resilience.     "Managing loads effectively is crucial, especially when relying on battery storage," commented a renewable energy analyst attending the event. "Dual outputs with configurable priorities offer a practical solution for users needing guaranteed uptime for specific applications." Another critical innovation centers on lithium battery support. The inverter uniquely offers a battery activation function, capable of reviving deeply depleted lithium batteries using either solar power or grid electricity – a vital feature preventing expensive battery replacements in case of over-discharge. Furthermore, it integrates seamlessly with LiFePO4 batteries via RS485 communication, allowing for optimized charging profiles that extend battery life. The built-in Equalization (EQ) function was also noted by technicians for its role in maintaining long-term battery health and performance. Technically robust, the inverter boasts powerful charging capabilities. Its built-in MPPT solar charger handles up to 6.5kW of solar input with a remarkably wide voltage range (60-500VDC) and a high 120A maximum charge current. It can also accept 80A from an AC source. Impressively, the unit is capable of operating without a battery, functioning as a sophisticated solar inverter feeding power directly to loads when the sun shines. Performance specifications point towards high reliability. The inverter delivers a pure sine wave output (220/230VAC ±5%, 50/60Hz) with a peak efficiency of 94%. It offers robust surge handling (12400VA) and fast transfer switching – critical for sensitive electronics, switching in 10ms for personal computers and 20ms for home appliances. Its operational resilience is underscored by a wide input voltage range (90-280VAC for appliances) and the ability to function in demanding environments (-10°C to 50°C), aided by a detachable dust cover. "The combination of high PV input voltage, substantial MPPT current, flexible battery management, and dual outputs addresses several pain points we see in current off-grid installations," noted a field engineer specializing in remote power systems. "The ability to revive a dead lithium battery via PV is particularly valuable in scenarios lacking consistent grid access." The compact physical design (approx. 438x312x122mm) and weight (11kg) were also seen as advantages for installations where space is limited. Optional WiFi remote monitoring capability adds convenience for system management.   This new hybrid inverter represents a tangible step forward in making sophisticated off-grid and backup power solutions more accessible, resilient, and user-friendly, particularly for applications requiring dependable power management and advanced lithium battery support. Its launch is anticipated to impact markets where grid stability is a concern or energy independence is a priority.

Revolutionary Portable Energy Storage Unit Debuts for Residential Use   SHENZHEN, China — October 26, 2024 — A cutting-edge portable battery system designed to revolutionize home energy management was unveiled today at the Global Green Tech Summit in Shenzhen. The innovative product, featuring built-in wheels for effortless mobility, boasts a robust 51.2V/300Ah capacity (15.36kWh), positioning it as a game-changer for households seeking reliable, long-term power solutions.   Pioneering Mobility and Power The unit’s standout feature is its integrated wheel design, allowing users to effortlessly relocate it within homes or outdoor settings. This addresses a critical gap in residential energy storage, where traditional systems often require complex, fixed installations. Industry experts highlight its potential for emergency backup during outages or seamless integration with solar panels. "Imagine moving backup power from your garage to a medical device in minutes during a storm—this flexibility is transformative," remarked Dr. Lena Chen, an energy analyst attending the summit.   Unmatched Safety and Efficiency Engineered with advanced safeguards, the battery prevents overcharging and over-discharging, ensuring safety for round-the-clock use. Its efficiency exceeds 98%, minimizing energy loss during operation. Capable of enduring over 6,000 charge cycles at 80% depth of discharge, the system promises a lifespan exceeding 10 years. Operating temperatures span from -20°C to 60°C, making it suitable for diverse climates. Smart Management and Accessibility Users can monitor and control the system remotely via a touch-screen interface, enabling real-time adjustments to energy consumption. "The ability to track usage patterns optimizes savings and reduces grid dependence," noted tech journalist Michael Reynolds during a live demo. The unit supports charging currents up to 150A and discharges seamlessly at matching rates, ideal for high-demand appliances. Eco-Friendly Applications With global interest in renewable energy surging, the product’s compatibility with residential solar setups positions it as a cornerstone for sustainable living. Homeowners can store excess solar power during the day and deploy it overnight, cutting electricity costs by up to 40% according to preliminary field tests. Its compact dimensions (825×413×233 mm) and 110 kg weight—offset by its wheels—ensure it fits comfortably in basements, garages, or small utility rooms. Market Impact As energy instability rises worldwide, analysts project products like this will dominate the $30B residential storage market by 2027. "Its blend of portability, capacity, and durability sets a new benchmark," said Chen. "For families prioritizing both convenience and resilience, this is a breakthrough." https://www.1stess.com/videos-53584550-300ah-residential-ess-battery-51-2v-15-36kwh-with-built-in-wheels.html