32 checks · six stages

Marine Lithium Battery Conversion Checklist

Use this before requesting a quote, during installation and at handover. It does not certify the boat and it cannot decide which rules apply to your vessel; it gives you a structured list to work through with a suitably qualified marine electrician.

Start with
Loads and charging—not a battery catalogue.
Finish with
A tested system and a complete evidence pack.

What a complete quote covers

Battery conversion scope and installation planning

A useful quotation connects capacity, charging, fault-current protection, cable, restraint, monitoring and documentation. If one of those categories is absent, ask whether it is deliberately retained from the existing system or simply missing.

Start the checklistOpen the safety centre
Illustrative marine lithium conversion components arranged on a workshop bench: battery, charger, fuse, switch, shunt, busbars, cable and lugs
Illustrative planning image. The correct devices, ratings and arrangement depend on the vessel and manufacturer instructions.

Your planning progress

0 of 32 checks

01

Define the job

Size from the boat and its real loads before selecting a battery case.

02

Check the battery evidence

A warranty headline is not a system specification.

03

Specify charging

Lithium is a charging-system project, not a drop-in battery swap.

04

Protect and install

Fault-current protection, restraint and service access are designed together.

05

Commission and document

A safe installation should be understandable to the next electrician and the insurer.

06

Maintain the system

Recheck the things vibration, heat, corrosion and software can change.

Turn the estimate intoan installation plan.

Take the load estimate, charging sources and cable runs to a qualified marine electrician. Our installation guide helps you ask about isolation, over-current protection, ventilation and compliance before work begins.

Read the installation guideCheck the bank size