Marine Battery and Electrical Systems Guide

Create a marine electrical systems guide:

Vessel Information:
- Boat Type: [TYPE]
- Length: [LENGTH]
- Power Systems: [INBOARD/OUTBOARD]
- Electrical Loads: [MAJOR_EQUIPMENT]
- Current Battery Setup: [CURRENT_SETUP]
- Usage Pattern: [PATTERN]
- Shore Power: [YES/NO]

Please develop:
1. Marine electrical basics
2. Battery types comparison:
   - Lead-acid (flooded)
   - AGM
   - Gel
   - Lithium
3. Battery bank sizing calculations
4. Dual battery system design
5. Charging systems:
   - Alternator charging
   - Shore power charging
   - Solar charging
   - Wind generation
6. Wiring best practices
7. Circuit protection (fuses/breakers)
8. Grounding and bonding
9. Corrosion prevention
10. Battery maintenance schedule
11. Troubleshooting common issues
12. Safety considerations
13. Upgrade recommendations
14. Tool and equipment list
15. When to call a professional

Ensure reliable marine electrical systems.