Lithium Battery Safety Awareness for Yacht Crew

Course Content

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Module 1: Introduction & Risk Context

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5 Topics

1 Quiz

Expand Module 1: Introduction & Risk Context

1.1 Why Lithium Batteries Matter on Yachts

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1.2 Where Lithium Batteries Are Found Onboard

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1.3 Why Yachts Are a High-Risk Environment

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1.4 Consequences of Lithium Battery Failure Onboard

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1.5 Individual Crew Responsibility

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Assessment

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Module 2: Lithium Battery Fundamentals

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9 Topics

1 Quiz

Expand Module 2: Lithium Battery Fundamentals

2.1 Why Crew Need to Understand the Basics

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2.2 What a Lithium Battery Actually Is

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2.3 Inside a Lithium Battery Cell

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2.4 How Energy Is Stored and Released

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2.5 Common Lithium Battery Chemistries Found Onboard Yachts

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2.6 Energy Density Explained (Why Size Is Misleading)

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2.7 Battery Management Systems (BMS): What They Do — and Don’t Do

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2.8 Lithium vs Lead-Acid Batteries (Why Old Assumptions Fail)

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2.9 Why Damage Is Often Delayed

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Assessment

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Module 3: Lithium Battery Fundamentals

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10 Topics

1 Quiz

Expand Module 3: Lithium Battery Fundamentals

3.1 Why Most Lithium Battery Fires Are Crew-Created

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3.2 The Concept of Failure Pathways

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3.3 Mechanical Damage (The Silent Trigger)

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3.4 Electrical Stress: Overcharging and Mismatched Chargers

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3.5 Thermal Stress: Heat Is the Enemy

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3.6 Water and Salt Contamination

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3.7 What Thermal Runaway Actually Is

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3.8 Early Warning Signs (Often Missed)

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3.9 Why Multiple Batteries Increase Risk Exponentially

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3.10 Real Yacht Incident (Instructional)

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Assessment

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Module 4: Safe Storage, Charging & Onboard Management of Lithium Batteries

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10 Topics

1 Quiz

Expand Module 4: Safe Storage, Charging & Onboard Management of Lithium Batteries

4.1 Why Storage and Charging Are the Highest-Risk Activities

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4.2 The Myth of “Out of the Way” Storage

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4.3 Principles of Safe Lithium Battery Storage

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4.4 Charging: Where Risk Peaks

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4.5 Approved Chargers Only (No Exceptions)

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4.6 Charging Location Selection

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4.7 Battery Quantity Management

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4.8 Storage State of Charge

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4.9 Handling Damaged or Suspect Batteries

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4.10 Real Yacht Incident (Instructional)

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Assessment

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Module 5: Inspection, Lifecycle Management & Disposal of Lithium Batteries

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10 Topics

1 Quiz

Expand Module 5: Inspection, Lifecycle Management & Disposal of Lithium Batteries

5.1 Why “Old but Working” Is a Dangerous Category

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5.2 Lithium Battery Aging: What Actually Degrades

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5.3 Cycle Life and Real-World Yacht Use

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5.4 Inspection: What Crew Should Actually Look For

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5.5 Inspection Frequency and Responsibility

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5.6 Battery Identification and Tracking

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5.7 End-of-Life: Knowing When to Retire a Battery

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5.8 Safe Temporary Storage of Retired Batteries

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5.9 Disposal: Why Lithium Batteries Are Not “Trash”

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5.10 Real Yacht Incident (Instructional)

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Assessment

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Module 6: Recognising Escalation & Making Early Intervention Decisions

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16 Topics

1 Quiz

Expand Module 6: Recognising Escalation & Making Early Intervention Decisions

6.1 Why Early Intervention Matters More Than Firefighting

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6.2 Escalation Is a Process, Not a Moment

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6.3 Behavioural Changes That Signal Escalation

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6.4 Sensory Warning Signs

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6.5 Decision Thresholds: When Monitoring Becomes Action

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6.6 Isolation: The Most Powerful Early Response

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6.7 Common Hesitation Errors

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6.8 Risk to the Vessel vs Risk to Equipment

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6.9 Real Yacht Incident (Instructional)

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6.10 Standard Operating Procedures (SOPs) as a Primary Risk Control

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6.11 Why SOPs Matter for Lithium Battery Risk

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6.12 What a Lithium Battery SOP Should Cover

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6.13 SOPs as Escalation Triggers

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6.14 SOPs and Authority to Act

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6.15 SOPs as Training Reinforcement

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6.16 SOPs as Incident Protection

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Assessment

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Module 7: Emergency Response to Lithium Battery Escalation, Thermal Runaway & Fire

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10 Topics

1 Quiz

Expand Module 7: Emergency Response to Lithium Battery Escalation, Thermal Runaway & Fire

7.1 Why Lithium Battery Emergencies Are Different

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7.2 The Crew Response Timeline

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7.3 Integration With SOP (No Improvisation)

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7.4 STAGE 1 — Abnormal Battery Identified (Pre-Escalation)

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7.5 STAGE 2 — Escalation Confirmed (Pre-Ignition)

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7.6 STAGE 3 — Thermal Runaway / Fire

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7.7 Firefighting Strategy (Reality-Based)

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7.8 Post-Fire & Re-Ignition Risk

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7.9 Crew Psychology Under Lithium Battery Events

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7.10 Real Yacht Incident (Instructional)

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Assessment

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Annex

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