Do you install lithium batteries at the boat?

Yes. We do lithium conversions at your slip, dock or storage yard from Marina del Rey to Newport Beach, or at our San Pedro shop. Each visit to the boat has a one-way trip fee by distance, from $30 in San Pedro to $110 in Newport Beach, and there is none at the shop.

Is there a warranty on a lithium conversion?

Yes. Our workmanship is warranted for 90 days from the invoice date, and the batteries, chargers and other parts we install carry their manufacturer's warranty. We use marine-grade components.

How much does a lithium conversion cost?

It depends on the size of the bank and on what the charging system needs. Labor is $150 an hour, plus the trip fee for work at your boat. We start with a load audit, then you get a written estimate for the batteries, parts and labor, and nothing is done without your OK.

Will lithium batteries hurt my alternator?

They can if nothing limits the charge. A lithium bank can pull more current than a standard alternator is built to deliver for long periods, so the alternator overheats. We fit a DC-to-DC charger or an external regulator with a lithium profile to protect it.

Can you add solar or an inverter with the lithium bank?

Yes. When solar or AC loads are part of the plan, we design the inverter/charger, solar controller, DC-to-DC charging, fusing and cabling together with the new bank, and set every charging source to a LiFePO4 profile.

What are the steps of a lithium conversion?

We start with a load audit of what you run and for how long, then size the bank and plan a layout that fits your battery space. After you approve the written estimate, we install the batteries, DC-to-DC charging or an external regulator, Class-T fusing and cabling following ABYC practice. Then we program the chargers with LiFePO4 profiles and test the whole system before we leave.

A Breeze Marine Boat Service technician inside a clean boat engine room

Lithium LiFePO4 Battery Conversion & Power Upgrades

Lithium (LiFePO4) battery installation in Long Beach and nearby harbors: more usable power, faster charging and less weight, with the bank sized to your boat's loads and the charging system set up for lithium.

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$150 /hr

Labor estimate Quoted after inspection

Book sends us a ticket; nothing is charged online. Before any work you get a written estimate for labor, parts and the trip fee, and nothing is done without your OK.

Trip fee By distance, one way: $30 in San Pedro, $50 in Long Beach

San Pedro$30
Wilmington, Terminal Island$40
Long Beach: Shoreline, Rainbow Harbor$50
Long Beach Marina, Alamitos Bay$60
Redondo Beach$60
Seal Beach, Huntington Harbour$75
Marina del Rey$85
Newport Beach$110

Farther away: $25 plus $2.50 a mile, one way from our San Pedro shop. No trip fee when the boat comes to our shop, or for plan members. The work of a visit is at least $150; the trip fee is on top.

Registered in California: Breeze Marine Boat Service LLC, San Pedro
Where we work: At your slip from Marina del Rey to Newport Beach, or in our San Pedro shop
Questions first: (213) 693-0224 or submit a ticket

About this service

LiFePO4 Conversions

Silent Power.
More Time at Anchor.

Lead-acid batteries are heavy, slow to charge and wear out sooner. Our marine lithium battery conversions (LiFePO4) give you more usable power for less weight, so you can run electronics quietly at anchor and, with a bank and inverter sized for them, AC appliances too.

More Usable Capacity

Lead-acid batteries wear out quickly if regularly drained below 50%. Lithium lets you use most of its rated capacity, with a much flatter voltage curve than lead-acid. In an AGM to lithium conversion, a 200Ah lithium bank gives close to the usable energy of a 400Ah AGM bank at a fraction of the weight.

Faster Charging

Lithium accepts high charge currents, up to the limit its maker sets, so generator and solar time goes further. The generator runs for less time, and more of what your solar panels produce is stored.

Total Visibility

No more guessing. We integrate Victron Cerbo GX or Mastervolt displays that show your state of charge and the estimated "Time to Go" at current usage, also on your phone or chartplotter.

The Conversion.

More than just swapping batteries.

Audit & Design

We calculate your daily amp-hour load (fridge, lights, inverter) to size the house battery bank correctly. We design the physical layout to fit your existing battery footprint.

Alternator Protection

Crucial Step: lithium can draw so much current that a standard alternator overheats and burns out. We install DC-to-DC chargers or external regulators to protect your alternator.

Installation

We install the LiFePO4 boat battery bank, high-amp bus bars, Class-T fusing, and heavy gauge marine cabling. All connections are torque-checked and heat-shrunk.

Programming

We configure your Inverter/Charger and Solar Controllers with specific LiFePO4 charging profiles to ensure battery longevity and safety.

Energy Independence.

A professional, clean installation.

Custom Victron Energy marine power system installation featuring MultiPlus-II inverter/charger, LiFePO4 lithium batteries, and Lynx Distributor.

Victron Orion-Tr Smart isolated DC-DC charger installed in a boat engine room to safely charge lithium house batteries from the alternator.

Victron GX Touch 50 display mounted at the helm showing real-time battery status, solar yield, and power consumption via Cerbo GX.

Brands We Install.

Equipment from established manufacturers.

Victron Energy Inverters & Monitoring

Battle Born / Lithionics LiFePO4 Battery Banks

Mastervolt Integrated Power Systems

Common Questions

Is Lithium safe on a boat?

Yes, when it is installed correctly. We use only LiFePO4 (lithium iron phosphate), which is much less prone to thermal runaway than the lithium-ion cells in phones or scooters. It still needs a battery management system, Class-T fusing and charging set for lithium, and we install it that way.

Can I just drop them in?

No. A "drop-in" without updating your charging sources (alternator, shore charger) can damage the batteries or overheat the alternator. The system must be engineered as a whole.

Cut the Cord.

Get a quote for your power upgrade.

Go Lithium

Is a lithium battery conversion kit enough on its own?

Many owners start by looking at a lithium battery conversion kit and expect a simple boat battery replacement. A kit supplies parts, but it cannot size the bank to your daily amp-hour load, and without updated charging sources it can damage the batteries or overheat the alternator.

We treat the boat as one system: a load audit, a layout that fits your existing battery footprint, DC-to-DC chargers or external regulators, Class-T fusing and heavy gauge marine cabling, then LiFePO4 charging profiles on your inverter/charger and solar controllers.

Planning a Lithium Marine Battery Installation

Every lithium marine battery installation is planned around how the boat is used: nights at anchor, electronics running all day or AC appliances fed through an inverter. When AC loads are part of the plan, a marine inverter installation is designed together with the new bank, so the inverter/charger, charging sources, fusing and cabling work as one system.