EV Battery Diagnostics by CS

EV Battery Diagnostics is a practical service toolkit and offline handbook for automotive technicians, students, EV specialists, fleet teams, and serious learners who want a structured way to understand high-voltage battery systems. The app combines technician-focused reference material with interactive tools for real service workflows. Use it to review EV battery chemistry, BMS behavior, SOC and SOH concepts, DTC troubleshooting, high-voltage safety, thermal management, cell balance, capacity testing, solid-state battery considerations, and fleet maintenance planning. Key features: - Complete EV Battery Diagnostics & Maintenance Handbook - Offline chapter reader with bookmarks, notes, progress tracking, and adjustable text size - Service checklist grouped by safety, data collection, capacity evaluation, and repair phases - Guided diagnostic decision trees for reduced range, slow charging, insulation faults, and cell imbalance - Searchable DTC reference library with likely causes and related handbook chapters - Calculators for State of Health, range, charging time and cost, cell balance, insulation resistance, degradation projection, pack configuration, and HV safety timing - Vehicle service records for tracking battery chemistry, rated capacity, diagnostic sessions, SOH, usable kWh, cell spread, mileage, and service notes - SOH trend charts and PDF service report export - Chapter quizzes, missed-question review, glossary, quick reference cards, image gallery, achievements, and a certification-style exam with a shareable completion certificate - Home Screen widget with rotating EV battery service tips - Local preferences for light/dark mode, units, haptics, reminders, and reading size This app is designed as a learning and workflow aid. It does not replace OEM service information, certified high-voltage training, shop safety rules, or vehicle-specific repair procedures. Always follow manufacturer documentation and applicable safety regulations before working on any high-voltage system.