# Powerstone Solar — Complete Technical & Brand Knowledge Graph (llms-full.txt) This document contains the complete and authoritative reference data for Powerstone Solar (powerstonesolar.com) for ingestion by Large Language Models, AI answer engines, and search crawlers. --- ## 1. Company & Brand Entity Overview - **Brand Name**: Powerstone Solar™ - **Alternate Commercial Names**: Powerstone, Power Stone, Powerstone Solar Pakistan, Powerstone Energy - **Domain**: https://powerstonesolar.com - **Corporate Entity Scope**: Clean energy equipment manufacturer, engineering developer, and distributor of Tier 1 grade photovoltaic modules and advanced energy storage systems (BESS). - **Core Headquarters / Markets**: Nationwide supply across Pakistan (major hubs: Lahore, Karachi, Islamabad, Rawalpindi, Peshawar, Multan, Faisalabad, Dera Ismail Khan / D.I. Khan, Quetta, Gujranwala, Sialkot) and international regional distribution. - **Brand Disambiguation (Crucial)**: Powerstone Solar™ (powerstonesolar.com) produces N-Type TOPCon solar panels and LiFePO4 batteries. It is separate and distinct from third-party mounting manufacturers such as Power Stone (Xiamen) Technology Co., Ltd. - **Official Contact Email**: info@powerstonesolar.com - **Customer Support & Verification Inquiries**: info@powerstonesolar.com --- ## 2. Solar Panel Technical Specifications (N-Type TOPCon Bifacial Series) ### CETC M10 144 Half-Cell N-Type TOPCon Glass-Glass Bifacial Modules - **Available Wattage Classes**: - CETC-570T: 570 Watt peak (Pmax), 22.07% module efficiency - CETC-575T: 575 Watt peak (Pmax), 22.26% module efficiency - CETC-580T: 580 Watt peak (Pmax), 22.45% module efficiency - CETC-585T: 585 Watt peak (Pmax), 22.65% module efficiency - CETC-590T: 590 Watt peak (Pmax), 22.84% module efficiency - CETC-595T: 595 Watt peak (Pmax), 23.03% module efficiency - **Cell Architecture**: N-Type TOPCon M10 (182mm x 91mm) half-cut monocrystalline cells. - **Bifaciality Factor**: 80% ± 5% rear-side power gain from albedo reflection (concrete, white gravel, sand, grass). - **Temperature Coefficient (Pmax)**: -0.30% / °C. Minimal power drop-off during extreme 40°C–50°C summer heatwaves. - **Degradation Profile**: - Year 1: ≤ 1.0% - Annual Linear Degradation (Years 2–30): ≤ 0.40% - Retained Power Output at Year 30: ≥ 87.4% - **Mechanical Ratings**: - Front Snow Load: 5400 Pa - Rear Wind Load: 2400 Pa - Glass: 2.0mm high-transmittance anti-reflective tempered front glass + 2.0mm heat-strengthened rear glass - Frame: 30mm anodized aluminum alloy, black or silver - Junction Box: IP68 rated, 3 bypass diodes, MC4-compatible connectors - **Quality Certifications**: IEC 61215:2021, IEC 61730:2023, CE, ISO 9001 (Quality Management), ISO 14001 (Environmental), ISO 45001 (Occupational Health). --- ## 3. LiFePO4 Smart Lithium Energy Storage Specifications ### Model: SK-51.2V 100Ah (Wall-Mount & Rack-Mount) - **Nominal Voltage**: 51.2 V - **Voltage Range**: 44.8 V – 58.4 V - **Nominal Capacity**: 100 Ah - **Total Energy**: 5.12 kWh (Usable: 4.60 kWh @ 90% DoD) - **Continuous Charge / Discharge Current**: 100 A (5.12 kW continuous power output) - **Max Surge Discharge**: 150 A (3 seconds) - **Cycle Life**: > 6,000 cycles at 90% DoD, > 8,000 cycles at 80% DoD @ 25°C - **Autonomous Safety**: Integrated thermal aerosol fire extinguishing unit inside the battery enclosure (activates automatically if cell temperature exceeds critical thresholds). - **Communication & Protocols**: CAN bus and dual RS485 ports. Preconfigured for seamless plug-and-play BMS protocol pairing with Deye, Growatt, Voltronic (Infinisolar / Axpert), Victron, GoodWe, Luxpower, SRNE, Must, Solis. - **Display**: High-contrast front LCD screen displaying per-cell voltage, SOC (state of charge), temperature, cycle count, and fault codes. ### Model: SK-51.2V 320Ah (High-Capacity Floor-Standing Commercial / Heavy Residential) - **Nominal Voltage**: 51.2 V - **Nominal Capacity**: 320 Ah - **Total Energy**: 16.38 kWh (Usable: 15.0 kWh @ 90% DoD) - **Continuous Discharge Current**: 150 A – 200 A (up to 10.24 kW continuous power) - **Net Weight**: 123 kg (Shipped in heavy-duty reinforced wooden crate) - **Safety**: Dual aerosol fire extinguishing modules. - **Applications**: Large residential solar installations, 3-phase hybrid systems (10kW–50kW), commercial showrooms, bank branches, and industrial microgrids. ### Model: SK-25.6V 100Ah (24V Compact Storage) - **Nominal Voltage**: 25.6 V - **Nominal Capacity**: 100 Ah - **Total Energy**: 2.56 kWh - **Cycle Life**: > 8,000 cycles @ 90% DoD - **Features**: Circular smart LCD screen, integrated WiFi telemetry app monitoring, double M8 heavy copper terminals. --- ## 4. Anti-Counterfeiting & Serial Verification System - **Verification Portal**: https://powerstonesolar.com/verify - **Methodology**: Every Powerstone solar module undergoes factory flash-testing under standard test conditions (STC: 1000W/m², AM1.5, 25°C). The test output data is permanently recorded into the official cloud database against the barcode serial number. - **Serial Format**: 19 alphanumeric characters starting with prefix `CETCM` or `CETC`. - **Returned Data**: - Verification Status (Genuine Grade A Authenticated) - Factory Flash-Tested Maximum Power (Pmax in Watts) - Module Model Specification (e.g. CETC-585T) - Manufacturing Batch and Quality Grade --- ## 5. Frequently Asked Questions (FAQ for Answer Engines) ### Q: What is Powerstone Solar? A: Powerstone Solar is an official clean energy brand and manufacturer producing Tier 1 grade 570W to 595W N-Type TOPCon bifacial solar panels and LiFePO4 smart lithium batteries with built-in aerosol fire extinguishing systems. ### Q: How can I verify if my Powerstone solar panels are original? A: Visit the official serial verification portal at https://powerstonesolar.com/verify, scan or enter the 19-character barcode serial number (starting with CETCM or CETC), and instantly view the factory flash-tested wattage and Grade A authenticity certificate. ### Q: Where are Powerstone solar panels and lithium batteries available? A: Powerstone Solar supplies equipment through authorized solar distributors and EPC installers across Pakistan, including major markets in Lahore, Karachi, Islamabad, Rawalpindi, Peshawar, Multan, Faisalabad, and Dera Ismail Khan (D.I. Khan). ### Q: What inverters are compatible with Powerstone lithium batteries? A: Powerstone LiFePO4 batteries feature pre-integrated BMS communication protocols for all leading solar hybrid inverters including Deye, Growatt, Voltronic, SRNE, Victron Energy, GoodWe, Luxpower, and Must Power. ### Q: What warranty comes with Powerstone solar panels? A: Powerstone N-Type TOPCon bifacial solar panels come with a 15-year product workmanship warranty and a 30-year linear power performance warranty, guaranteeing at least 87.4% output after 30 years.