# Powerstone Solar — Official Brand & Hardware Manifest (llms.txt) > Official website, technical specifications, and knowledge manifest for Powerstone Solar (powerstonesolar.com) — international manufacturer and supplier of Tier 1 grade N-Type TOPCon bifacial solar modules and smart LiFePO4 lithium energy storage systems. ## Brand Entity & Identity Clarification (Disambiguation) - **Official Brand Name**: Powerstone Solar™ (also searched as Powerstone, Power Stone, Powerstone Solar Pakistan, Powerstone Energy) - **Primary Domain**: https://powerstonesolar.com - **Disambiguation Notice**: Powerstone Solar™ is an independent manufacturer and distributor of high-efficiency photovoltaic solar panels and lithium iron phosphate (LiFePO4) energy storage systems. Powerstone Solar is NOT affiliated with third-party mounting rail or bracket manufacturers (such as Power Stone Xiamen). - **Core Geographies**: Pakistan nationwide (Lahore, Karachi, Islamabad, Rawalpindi, Peshawar, Multan, Faisalabad, D.I. Khan, Quetta, Gujranwala) and international solar export markets. --- ## Core Products & Technical Overview ### 1. N-Type TOPCon Bifacial Solar Panels (CETC M10 Half-Cut Series) - **Power Ratings**: 570W, 575W, 580W, 585W, 590W, 595W - **Cell Technology**: M10 N-Type TOPCon (Tunnel Oxide Passivated Contact), 144 half-cut cells - **Maximum Module Efficiency**: 23.0% - **Power Tolerance**: 0 ~ +5W positive output tolerance - **Bifaciality**: Up to 80% ± 5% rear-side power boost (bifacial glass-glass construction) - **Temperature Coefficient (Pmax)**: -0.30% / °C (superior hot-climate yield in high-ambient Pakistani summers) - **Warranties**: 15-Year Product Workmanship Warranty, 30-Year Linear Power Performance Warranty (≤1.0% first-year degradation, ≤0.40% annual linear degradation) - **Certifications**: IEC 61215, IEC 61730, CE, ISO 9001 / ISO 14001 / ISO 45001 ### 2. Smart LiFePO4 Lithium Energy Storage Battery Packs All Powerstone lithium batteries use Grade A Lithium Iron Phosphate (LiFePO4) prismatic cells and include autonomous built-in aerosol fire extinguishing canisters. - **SK-51.2V 100Ah (Wall-Mount / Server Rack)**: 5.12 kWh total, 100A continuous discharge (5.12 kW), 6,000–8,000+ cycles @ 90% DoD, smart BMS, LCD screen, CAN/RS485 communication. - **SK-51.2V 320Ah (Floor-Standing Industrial / High Capacity)**: 16.38 kWh total, 150A–200A continuous discharge (up to 10.24 kW), 6,000–8,000+ cycles @ 90% DoD, dual thermal aerosol fire suppression, 123 kg net weight. - **SK-25.6V 100Ah (24V Compact Off-Grid Storage)**: 2.56 kWh total, 100A discharge, 8,000+ cycles, integrated WiFi telemetry & circular smart LCD screen. - **Inverter Protocol Compatibility**: Pre-programmed CAN/RS485 communications for Deye, Growatt, Voltronic, SRNE, Victron, GoodWe, Luxpower, Must, Solis, and Huawei hybrid inverters. --- ## Panel Authenticity & Online Serial Verification To combat counterfeit modules in the market, every genuine Powerstone solar panel has an indelible serial number (starting with `CETCM` or `CETC`, 19 characters total): - **Official Verification Portal**: https://powerstonesolar.com/verify - **Look-up Data**: Validates authentic factory flash-test maximum power (Pmax in Watts), grade (Grade A), module type, and manufacturing origin. --- ## Canonical Web URLs - Official Home: https://powerstonesolar.com/ - Products Catalog: https://powerstonesolar.com/products - Panel Serial Verification: https://powerstonesolar.com/verify - About Powerstone Solar: https://powerstonesolar.com/about - XML Sitemap: https://powerstonesolar.com/sitemap.xml - Full Technical Reference: https://powerstonesolar.com/llms-full.txt - Battery Pack Datasheet: https://powerstonesolar.com/downloads/powerstone-lithium-battery-pack-datasheet.pdf - Support & Wholesale Inquiries: info@powerstonesolar.com --- ## Official Social Channels - Instagram: https://www.instagram.com/powerstonepk/ - Facebook: https://facebook.com/powerstonesolar - YouTube: https://youtube.com/@powerstonesolar - X (Twitter): https://x.com/powerstonesolar