Thank You & Best Wishes for 2026 As we say goodbye to a remarkable year and welcome the fresh start of 2026, the entire team at SEAFOREST extends our deepest gratitude. Thank you to our valued clients, partners, and friends for your trust and collaboration throughout 2025. Your support is the foundation of our commitment to "Honesty, Altruism, Innovation, and Enterprising." For over 15 years, our mission has been to turn sunlight into reliable, clean energy. In the coming year, we remain dedicated to empowering more homes and businesses with high-quality solar solutions. May the new year bring you and your loved ones: ☀️ Abundant sunshine and enduring warmth ✨ A flourishing business and boundless success Happy New Year! - Your Partner in Solar, SEAFOREST Headquarters: Xiamen Seashine Forest Industry And Trade Co., Ltd. U.S. Branch: SEA FOREST ENERGY STORAGE SOLUTION CORP Contact Person: Guo Xiaozhou Tel: 0086-592-5657925 Mobile/WhatsApp/WeChat: 0086-1360-6089-112 URL: www.seaforestpv.com / www.seashineforest.com

Subject: Season's Greetings and Best Wishes for the New Year Dear All, As we approach the festive season of Christmas and the New Year, I would like to extend my warmest greetings and best wishes to you. Thank you very much for your tremendous support and cooperation throughout this year. I sincerely hope to continue receiving your valued collaboration and support in the coming New Year. Wishing you and all your team a wonderful Christmas and a brilliant, prosperous New Year. Looking forward to working with you again in the year ahead. Warm regards,

Ford Terminates $80 Billion Partnership, Pivots with Massive Investment into the Energy Storage Arena 1. Event Overview: A Strategic Shift in Focus Ford has ended its battery joint venture with SK On and announced a $20 billion investment to retool production lines for energy storage. This strategic shift highlights the growing importance of the storage sector and reflects deeper industry transformation. 2. Industry Trend: Energy Storage Becomes a Key Battleground for Cross-Sector Giants The global lithium battery energy storage market continues to grow rapidly, with installations up approximately 68% year-over-year in the first three quarters of 2025. Driven by policy support and market demand, energy storage has attracted at least 22 listed companies from diverse sectors, including automotive and solar. 3. Core Drivers: Technology Synergy and New Demand Scenarios Automakers leverage their battery expertise and mass-production capabilities, providing a natural advantage in energy storage. Meanwhile, emerging applications like AI data centers are fueling explosive demand—a single 100MW data center can require 450–800 MWh of storage. U.S. energy storage additions from 2026–2027 are projected to exceed 120 GWh. 4. Challenges and Risks: Price Competition and Market Consolidation Despite strong prospects, the industry faces intense pricing pressure. The global average price for energy storage systems fell about 31% year-over-year in 2025. Nearly one-third of system integrators operate at a loss, with over 40% of smaller players exiting the market. 5. Industry Impact: From Product Competition to Ecosystem Rivalry Chinese companies lead in battery cell production, but the entry of global giants is shifting competition from hardware sales to integrated “manufacturing + software + service” ecosystems. Technology and comprehensive solutions are becoming key differentiators. 6. Partner Spotlight: Sea Forest – Your Professional Energy Storage Solutions Provider In a fast-evolving market, a reliable partner is essential. Sea Forest delivers high-performance, safe, and certified energy storage solutions for the U.S. market, covering residential, commercial & industrial, and data center applications. We welcome inquiries from U.S. clients and partners to explore energy storage opportunities together. Contact Information US Company: SEA FOREST ENERGY STORAGE SOLUTION CORP 18780 AMAR RD STE 106 #357 WALNUT, CA 91789 Head Company: XIAMEN SEASHINE FOREST INDUSTRY AND TRADE CO.,LTD ADD: Room 2206, No. 6 Hubin East Road, Xiamen, Fujian, China. ZIP: 361010 Contact: Kaku Tel: 0086-592-5657925 Mobile/WhatsApp/WeChat: 0086-1360-6089-112 Website: www.seaforestpv.com Email: seaforest@seashineforest.cn

ES PCS Tech Routes: The "Big 4" Explained Energy Storage Power Conversion Systems are the core "brain" of any battery storage setup. While their core task (DC-AC conversion) is the same, their architectural philosophies differ vastly, forming four dominant schools of thought. 1. Centralized: The "Orthodox" Workhorse · Core Concept: One Big Inverter. Multiple battery clusters are paralleled on a large DC bus connected to a single, high-power PCS unit. Think of it as a "grand formation." · Key Traits: Mature, cost-effective, simple control. Ideal for utility-scale projects (100MW+). · Pros:   · Lowest Capex: Minimal equipment count, standardized, best $/kWh.   · Grid-Friendly: Excellent for bulk energy shifting and grid services.   · Proven Track Record: Well-understood deployment and O&M. · Cons:   · "Barrel Effect": System performance and lifespan are limited by the weakest battery cluster.   · DC Circulating Currents: Parallel clusters can develop harmful currents if their states differ.   · Safety & Consistency: Requires highly uniform cells; thermal runaway in one cluster risks others. · Verdict: The incumbent king of grid-scale storage, but pressure for safety/efficiency upgrades is rising. 2. String: The "Agile & Resilient" Contender · Core Concept: One Inverter Per String. Each battery string (or small cluster) has its own, smaller PCS. It's modular and distributed. · Key Traits: Flexible, precise, fault-tolerant. Designed for C&I, distributed, and smaller grid applications. · Pros:   · Independent Operation: No "barrel effect"; strings don't drag each other down.   · High Availability: Fault in one string can be isolated without shutting down the whole system.   · Easy O&M: Granular monitoring, easier fault location, and hot-swappable modules.   · No Cluster Circulating Currents: Eliminated by design. · Cons:   · Higher Capex: More power electronics units increase initial cost.   · Complex Integration: Requires more sophisticated system-level control and communication. · Verdict: The dominant force in C&I and distributed storage, where flexibility and safety are paramount. 3. Distributed (DC-Coupled): The "Middle Path" · Core Concept: DC/DC + Centralized PCS. Adds a DC optimizer (DC/DC converter) in front of each battery cluster before they feed into a centralized PCS. · Key Traits: A hybrid. Aims to combine the simplicity of Centralized with the safety/precision of String. · Pros:   · Eliminates Circulating Currents: DC/DCs decouple and manage each cluster's voltage.   · Optimized Performance: Enables per-cluster fine-tuning for longer battery life.   · Safety Boost: Reduces risks associated with direct DC paralleling. · Cons:   · Lower Efficiency: Two-stage conversion (DC/DC -> PCS) adds losses.   · Higher Cost & Complexity: More components than Centralized; system tuning is harder. · Verdict: The "safety-enhanced" upgrade ...

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