How to Size your Campervan Leisure Battery

Work out exactly what lithium leisure battery size your campervan needs.

This workbook helps you calculate your real daily power usage, convert it into amp-hours, and choose the right LiFePO4 battery size for your setup - without guesswork.

What this workbook helps you do:

• Calculate your daily power usage step by step
• Understand watts, amps and amp-hours clearly
• Choose the right LiFePO4 battery size for your van
• Avoid overspending or running out of power

What’s inside:

• Step-by-step battery sizing method
• Common device power reference table
• Worked example for a realistic weekend van
• Blank worksheet to fill in your own loads
• Final battery size recommendation page
• LiFePO4 battery comparison and key notes

Best for:

• DIY campervan builders planning a lithium system
• Anyone unsure what size leisure battery they need
• Van builds using 12V LiFePO4 battery systems

Delivered instantly after purchase