Lithium Batteries

Upgrade your boat's power system with our range of lithium batteries, designed to deliver reliable performance, longer service life and reduced weight compared to traditional lead acid batteries. Whether you're powering a trolling motor, marine electronics or auxiliary equipment, lithium batteries provide consistent power output and faster charging to keep you on the water for longer.

Our range includes 12V, 24V and 36V lithium batteries from trusted brands like Mastevolt, CTEK, BLA and Enerdrive.

Lithium Battery FAQs

What are the advantages of lithium batteries for boats?

Lithium batteries are lighter, charge faster and typically last longer than traditional lead acid batteries. They also provide more consistent voltage, making them ideal for powering trolling motors, marine electronics and onboard accessories.

What size lithium battery do I need?

The right battery depends on your application. A 12V battery is commonly used for electronics and accessories, while 24V and 36V batteries are typically used to power electric trolling motors. Always check your equipment's voltage and capacity requirements before purchasing.

Can I replace a lead acid battery with a lithium battery?

In many cases, yes. However, you should ensure your charger and electrical system are compatible with lithium batteries. Some applications may require a lithium-compatible charger or minor system upgrades.

How long do marine lithium batteries last?

With proper care, quality lithium batteries can last for thousands of charge cycles, significantly longer than conventional lead acid batteries. Actual lifespan will vary depending on usage, charging habits and operating conditions.

Are lithium batteries safe for marine use?

Quality marine lithium batteries include an integrated Battery Management System (BMS) that helps protect against overcharging, over-discharging, overheating and short circuits. At Blue Bottle Marine we only sell trusted brands with products specifically designed for use on the water.

Can lithium batteries be used with trolling motors?

Yes. Lithium batteries are a popular choice for trolling motors because they provide consistent power throughout the discharge cycle, recharge quickly and weigh considerably less than comparable lead acid batteries.

How do I charge a lithium battery?

For the best performance and battery life, use a charger that is designed for or compatible with lithium batteries. Following the manufacturer's charging recommendations will help maximise battery performance and longevity.