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Top Benefits of Marine Lithium Batteries

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05 Apr, 2025

This post was originally published on Power Sonic

Upgraded Solutions for Better Performance

Keep your boating days worry-free with Power Sonic’s range of high-quality Hyper Sport Marine line! Marine lithium batteries are transforming how boats are powered, with benefits like higher efficiency, maintenance-free operation, and a longer-lasting alternative to traditional sealed lead-acid (SLA) batteries.

What Are Marine Lithium Batteries?

Power Sonic’s marine lithium batteries are designed to power marine applications like boats, yachts, and other watercrafts, using lithium iron phosphate (LiFePO4) chemistry to store energy.

Lithium batteries have been making waves in various industries due to their superior energy density, longer lifespan, and environmental benefits compared to SLA batteries.

Why Choose Power Sonic’s Marine Lithium Batteries

1. Enhanced Performance and Efficiency

One of the most significant benefits of marine lithium batteries is their high energy density. Power Sonic’s marine lithium batteries deliver twice the power of SLA batteries, even high discharge rate, while maintaining high energy capacity. This means you get longer cruising distances and less weight onboard — critical for boat performance!

Additionally, marine lithium offers consistent power output throughout their discharge cycle. Unlike SLAs, which experience a drop in voltage as they discharge, lithium batteries maintain a steady power supply, making them more reliable for powering both electric propulsion systems and onboard electronics.

Specifications of seven Power Sonic Lithium Bluetooth batteries and three AGM Dual Purpose batteries. Specifications include Nominal Voltage, CCA, Rated Capacity, Reserve Capacity, Measurements and Weight.

2. Longer Lifespan

When compared to SLAs, Power Sonic’s marine lithium batteries have an impressively long lifespan. While SLAs may last around 2-4 years with proper maintenance, our Hyper Sport Marine Lithium range of batteries can easily last 10 years or more (depending on usage), further reducing long-term costs of boat ownership. This longevity allows you to save both time and money, as you don’t need to replace batteries as frequently.

Cost breakdown of SLA and lithium batteries, highlighting the long-term benefits of marine lithium.

3. Fast Charging and Deep Cycling

Another attractive feature of marine lithium batteries is their rapid charging capabilities. Batteries like Power Sonic’s PSL-BT-24400-G24 charge significantly faster than lead-acid options, which means less downtime between excursions. In addition, our lithium batteries can handle deep cycling without the degradation seen in lead-acid counterparts, allowing them to be discharged and recharged thousands of times without losing capacity.

To learn more about LiFePO4 charging, check out our blog, “How to Charge Lithium Iron Phosphate Batteries.”

Two batteries installed inside a boat, showcasing their application for connectivity and marine power.

4. Weight Savings

Weight is always a consideration for boat owners, whether it’s for performance, fuel efficiency, or space management. Marine lithium batteries like the PSL-BT-36400-G31 (depicted below) could save you up to 200lbs or 40% of weight compared to a traditional SLA battery.

This reduction in weight improves overall boat performance, enhances fuel efficiency, and creates more room for other onboard equipment or personal storage.

Three black Power Sonic Sealed Lead Acid batteries weighing over two hundred pounds sit heavily on one side of a scale, while two bright blue Power Sonic Marine Lithium batteries sit high up and weighing under seventy pounds on the other end. In the background of the scale, there is a trolling boat resting on the water.

5. Environmentally Friendly

Sustainability is a driving force in the boating industry. As environmental regulations tighten and consumers seek more eco-friendly options, lithium batteries offer a greener alternative to traditional SLA batteries. Not only are lithium batteries more efficient but they are also recyclable and do not contain toxic materials like lead or acid. Power Sonic’s LiFePO4 chemistry is also ethically sourced, further contributing to lithium’s environmentally friendly appeal.

6. Bluetooth Capabilities through Power Sonic Lithium App

Our lithium batteries feature advanced Bluetooth technology, giving you complete control and peace of mind. With real-time monitoring from your smartphone, you can check your state of charge, battery health, and power status—no more guessing or relying on a trickle charger. Easily verify if your battery is off and ensure it’s ready to power your entire marine adventure. The benefits of this smart technology mean you can enjoy worry-free outings, knowing your marine lithium battery will deliver reliable, consistent performance throughout your trip. Stay focused on the water, not your battery.

The Future of Marine Lithium Batteries

The future of marine lithium batteries is promising. As battery technology continues to improve, we can expect even better performance, higher energy densities, and faster charging capabilities.

Moreover, as the global push for cleaner energy and sustainable practices grows, the marine industry will likely see an increasing shift toward electric and hybrid vessels powered by sustainable lithium batteries. In the coming years, we may see a wider adoption of lithium batteries in commercial and leisure boating, making it easier for everyone to enjoy the water while minimizing their environmental footprint.

Conclusion

Three bright blue Power Sonic Marine Lithium batteries sit proudly on the back of a fishing boat, with clear blue sky in the background.

Power Sonic’s range of marine lithium batteries revolutionizes the way boats are powered, offering significant advantages in performance, lifespan, weight, and environmental impact.

For boat owners looking to upgrade their energy systems, investing in our marine lithium batteries is a smart and forward-thinking choice that will pay off in the long run.

Explore PS Marine Lithium
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Boral Limited has announced that it has secured $24.5 million in federal government funding for a new cement kiln infrastructure project, which will enable it to significantly reduce its CO2 emissions arising from cement manufacturing by up to 100,000 tonnes per annum, based on predicted production rates.

The company says the kiln feed optimisation project at Berrima Cement Works plays a key role in Boral’s broader decarbonisation pathway by reducing process emissions — the largest and most-difficult-to-abate emissions source in cement manufacturing.

The funding announcement was made by Minister for Climate Change and Energy Chris Bowen at Berrima Cement Works in NSW’s Southern Highlands — a site responsible for supplying up to 40% of cement in NSW and the ACT. The grant is from the federal government’s Powering the Regions Fund, aimed at supporting projects that will enable the decarbonisation of existing industries and contribute to Australia’s emission reduction targets.

The funding will supplement Boral’s capital investment into a new specialised grinding circuit and supporting infrastructure at the Berrima Cement Works. Clinker, formed by heating limestone and other materials at extremely high temperatures in a kiln, is the key ingredient in cement and is highly energy-intensive to produce. It is globally recognised as a difficult to abate manufacturing process, while also being key to all modern construction methods.

The integration of the specialised grinding circuit will enable Boral to substantially increase the proportion of alternative raw materials (ARMs) in kiln feed to up to 23% — up from its current 9% capability — and subsequently lower the amount of limestone used. The key benefit of utilising ARMs over limestone, is that limestone when heated during the clinker manufacturing process will natively release CO2 as the limestone is converted into clinker through calcination. Approximately 55% of the CO2 emissions of the Australia cement and concrete sector originate from this calcination of limestone and are commonly referred to as ‘process emissions’.

As an additional benefit, ARMs also require lower heating temperatures compared with limestone and, therefore, lower energy intensity.

Boral plans to use ARMs derived from a range of by-products from the steel manufacturing process and industrial waste rejections, including granulated blast furnace slag, steel slag, cement fibre board, fly ash and fine aggregates from recycled concrete.

The funding will enable the company to progress to the next phase of detailed process designs for front-end engineering, followed by procurement, construction, installation and commissioning. It is expected to be fully operational in 2028.

“At Boral, we have clearly set out the range of measures we intend to implement to meet the challenge set for us on reducing carbon emissions,” Boral CEO Vik Bansal said. “This is just one investment we have made at Berrima, building on our previous innovations around use of alternative fuels.

“As a result, Boral is on track to remain below the baseline safeguard mechanism requirements. We are also very pleased to be investing in a crucial and historic part of Australia’s manufacturing and construction sector.”

Image caption: Boral-Bowen federal government announcement. Image supplied by Boral.

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