15118-1 mainly outlines the general requirements, covers the charging and billing process based on ISO 15118, and describes in detail the devices and their information interactions in various application scenarios.
[pdf] To calculate how much power a solar system will generate, multiply the solar panel wattage by the number of daylight hours, and then multiply that by the number of solar panels you have.
[pdf] In today’s market, the installed cost of a commercial lithium battery energy storage system — including the battery pack, Battery Management System (BMS), Power Conversion System (PCS), and installation — typically ranges from: $280 to $580 per kWh for small to medium-sized commercial projects.
[pdf]