
Marine House Battery with 60kWh Hybrid ESS, 48V 410Ah Rack Battery – Best Energy Storage for Ships, Tour Boats
Bonnen Battery’s marine house battery is a high-capacity lithium energy storage system (ESS) designed to provide silent, reliable power for onboard electronics, appliances, and luxury amenities without the need for a noisy generator. By using 3 sets of advanced 48V 410Ah LiFePO4 rack modules, our 60kWh hybrid system offers a 3x longer lifespan and 60% less weight than traditional lead-acid setups. Equipped with Bluetooth and WiFi modules, the system allows easy monitoring of battery status in real time. Seamless communication with the DEYE 12KW three-phase inverter enhances performance.
It’s the ultimate “power bank” for ships, tour boats, and yachts, ensuring your crew and guests enjoy a seamless, eco-friendly experience on the water.
Free Custom Design
24/7 Engineer Support Services
Certification: Compliance with MSDS, UN38.3, CE, CB, IEC 62619, UL
Product Features
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| Battery System | |
| Specification | Details |
| Single Rack Rated Voltage | 48V |
| Rated Capacity | 410Ah |
| Energy | 61.4kWh |
| Battery Cell Type | LIFEPO4 |
| Configuration | 1P15S |
| Continuous Discharge Current | 150A |
| Max Continuous Charge Current | 150A |
| Pluse Discharge Current | 200A |
| IP Grade | IP67 |
| Operating Temperature | Charging: 0~55℃ |
| Discharge: -20~55℃ | |
| Self-discharge % | <3% per month |
| BMS | Included |
| Single Rack Battery Dimension | 770*630*230 |
| Single Rack Battery Weight | 140KGS |
| Battery System Voltage | 48V |
| Battery System Capacity | 1230Ah |
| Battery Rack Dimension (for 3 batteries) | W710*H930*D770mm |
| INVERTER Model | SUN-12K-SG04LP3-EU |
| PV String Input Data | |
| Max. DC Input Power (W) | 15600 |
| Rated PV Input Voltage (V) | 550 (160~800) |
| Start-up Voltage (V) | 160 |
| MPPT Voltage Range (V) | 200-650 |
| Full Load DC Voltage Range (V) | 350-650 |
| PV Input Current (A) | 26+13 |
| Max. PV ISC (A) | 34+17 |
| Number of MPPT / Strings per MPPT | 2/2+1 |
| AC Output Data | |
| Rated AC Output and UPS Power (W) | 12000 |
| Max. AC Output Power (W) | 13200 |
| AC Output Rated Current (A) | 18.2 |
| Max. AC Current (A) | 27.3 |
| Max. Continuous AC Passthrough (A) | 45 |
| Peak Power (off grid) | 2 time of rated power, 10 S |
| Power Factor | 0.8 leading to 0.8 lagging |
| Output Frequency and Voltage | 50/60Hz; 3L/N/PE 220/380, 230/400Vac |
| Grid Type | Three Phase |
| DC injection current (mA) | THD<3% (Linear load<1.5%) |
| Efficiency | |
| Max. Efficiency | 97.60% |
| Euro Efficiency | 97.00% |
| MPPT Efficiency | 99.90% |
| Protection | |
| Integrated | PV Input Lightning Protection, Anti-islanding Protection, PV String Input Reverse Polarity Protection, |
| Insulation Resistor Detection, Residual Current Monitoring Unit, Output Over Current Protection, | |
| Output Shorted Protection, Surge protection | |
| Output Over Voltage Protection | DC Type II/AC Type III |
| Certifications and Standards | |
| Grid Regulation | CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, |
| VDE 0126-1-1, RD 1699, C10-11 | |
| Safety EMC / Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 |
| General Data | |
| Operating Temperature Range (℃) | -45~60℃, >45℃ derating |
| Cooling | Smart cooling |
| Noise (dB) | <45 dB |
| Communication with BMS | RS485; CAN |
| Weight (kg) | 33.6 |
| Size (mm) | 422W x 699.3H x279D |
| Protection Degree | IP65 |
| Installation Style | Wall-mounted |
⚡ Ships
A marine house battery can power onboard hotel loads, control systems, lighting, and support equipment when the main engine is not running.
⚡ Tour Boats
Tour boats need quiet power, stable lighting, and smooth energy supply for passenger comfort. A boat house battery is a smart fit for that use case.
⚡ Passenger Ferries
For passenger traffic, stable backup power matters. A marine battery system helps keep essential systems active and reliable.
⚡ Work Boats
Work boats often need dependable energy for tools, monitoring devices, pumps, and onboard electronics. A 48V rack battery system supports that need well.
⚡ Hybrid Marine Systems
In hybrid setups, the battery works with generators or other energy sources to improve efficiency and reduce fuel waste.
⚡ Overnight Marine Use
For vessels that stay active for long hours or overnight, a marine house battery supports continuous onboard loads with less downtime.
⚡ Coastal and Inland Water Projects
This battery is also a strong choice for inland boats and near-shore marine projects that need stable, clean power.
As an international manufacturer, we’ve spent years perfecting lithium solutions. We know that at sea, “reliable power” isn’t just a luxury—it’s a safety requirement. Our expertise comes from real-world testing and large-scale deployments in the marine industry.
What makes our system different?
• High Energy Density: A marine house battery from Bonnen stores more power in a smaller footprint. Our 48V 410Ah rack battery is designed to fit into tight engine rooms or storage compartments.
• True Hybrid Integration: This isn’t just a battery; it’s a full ESS. It works with solar, wind, or shore power to keep your vessel running 24/7.
• Unmatched Durability: We use grade-A LiFePO4 cells. These aren’t your typical “cheap” batteries; they’re built to handle the constant vibration and salt-mist environments of the ocean.
High-Impact Data & Comparisons
• The Weight Factor: “Switching from lead-acid to a Bonnen lithium marine house battery reduces your vessel’s weight by roughly 60%, which directly improves fuel efficiency and speed.”
• Efficiency Gains: “Our lithium ESS maintains a steady voltage throughout discharge, providing 95% usable capacity compared to only 50% for lead-acid batteries.”
• Setup Simplicity: “Installing our rack-mounted system takes just three steps: secure the rack, connect the busbars, and link your inverter/charger.”
1. What’s the best marine house battery for a tour boat?
The best choice is a lithium (LiFePO4) system like Bonnen’s 60kWh ESS because it handles deep discharges every day without losing capacity, which is a must for commercial work.
2. How long will a 48V 410Ah marine battery last on one charge?
It depends on your load, but a 48V 410Ah battery provides about 20kWh of energy. For a typical yacht, that’s enough to run lights, fridges, and basic electronics for 24–48 hours.
3. Can I replace my lead-acid boat battery with a Bonnen lithium battery?
Yes, you can. It’s a “drop-in” logic, though you’ll want to ensure your charger is lithium-compatible. It’s the easiest way to cut weight and double your usable power.
4. Is a 60kWh marine ESS safe for offshore use?
Absolutely. Bonnen’s systems include a built-in BMS (Battery Management System) that protects against short circuits, overcharging, and overheating.
5. Why should I choose a 48V system over 12V for my boat?
48V systems are much more efficient for high-power loads like AC or electric motors. They use thinner wires, which saves money and reduces the risk of fire from overheating.
6. What is the lifespan of a lithium marine house battery?
You should get over 4,000 cycles. If you use it every day, that’s over 10 years of service, whereas lead-acid usually dies in 2–3 years.
7. Does Bonnen Battery ship internationally to the US and Europe?
Yes, we are a dedicated export manufacturer. We handle all the lithium shipping certifications so your batteries arrive safely and legally at your port.
8. Can I expand my 60kWh system later?
Yes. Our rack-mounted design is modular. If you find you need more power next year, you can just add another 48V 410Ah module to the rack.
9. How do I maintain my marine energy storage system?
Lithium batteries require zero active maintenance. You don’t need to add water or check acid levels. Just keep them charged and they’re good to go.
10. What’s the difference between a starter battery and a marine house battery?
A starter battery gives a quick burst of power to turn an engine. A house battery, like ours, is a “deep cycle” battery designed to provide steady power over a long time.
11. Is lithium-ion the same as LiFePO4 for boats?
Not quite. LiFePO4 (Lithium Iron Phosphate) is a specific type of lithium-ion that is much safer and more stable, making it the standard for marine house batteries.
12. How fast does the Bonnen 60kWh ESS charge?
It supports fast charging. Depending on your power source, you can often reach a full charge in 2 to 4 hours.
13. Can I connect solar panels to my marine house battery?
Yes, our hybrid ESS is designed to integrate perfectly with MPPT solar controllers, allowing you to stay off-grid indefinitely.
14. What happens if one battery cell fails?
Our BMS monitors every cell. If one has an issue, the system alerts you, but the modular design often allows for easy servicing without replacing the whole 60kWh bank.
15. Is it worth the higher price compared to AGM batteries?
Definitely. When you factor in that lithium lasts 5x longer and provides 2x the usable power, the “cost per cycle” is actually much lower than AGM or lead-acid.
16. Do you provide custom battery sizes for unique boat hulls?
Yes, as a manufacturer, we can customize the rack dimensions or the capacity to fit your specific vessel’s requirements.
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Latest Reviews
From a cost perspective, the system provides good value, especially considering the reduced fuel costs and maintenance compared to traditional options. The initial investment is significant, but the long-term savings on operational costs justify it. It may take some time to fully see the financial benefits, but the energy efficiency is promising.
Integrating the system into our tour boats was fairly straightforward, and the installation process went smoothly with the provided guidelines. The system works seamlessly with our existing electrical infrastructure. There was a learning curve at the start, but overall, the support from Bonnen helped streamline the process.
The Marine Energy Storage System has shown solid durability in our operations. It performs well even in harsh marine environments, withstanding exposure to saltwater and varying weather conditions. Over time, we’ve seen minimal wear and tear, which is reassuring.




































