For experienced sailors, reliable power at sea is the baseline of navigation safety. The CoPow 12V 150Ah deep-cycle marine battery essentially brings high-performance electric vehicle cell technology directly to boats. It uses LiFePO4 cells with very stable physical properties, allowing the battery to provide continuous service for eight to nine years of daily boating without noticeable performance degradation.
In practical use, the 150Ah capacity offers 50% more energy than the commonly seen 100Ah models, giving you confidence whether you're powering a high-thrust motor or running onboard appliances like refrigerators and navigation systems around the clock. Despite the increased capacity, the weight remains well-controlled; a single person can lift it with ease. Compared to heavy lead-acid batteries, installation onboard is simpler and saves significant payload.
Considering the harsh marine environment, the battery casing is fully sealed and treated for salt corrosion, while the internal circuitry is designed to resist moisture intrusion.
If you operate in cold regions or during winter, the built-in automatic heating function protects the cells during charging, addressing the common issue of lithium batteries not charging at low temperatures.
The most convenient feature is that you don't have to guess the remaining charge via a voltmeter-real-time battery status can be monitored accurately through a mobile app via Bluetooth. For boat owners who want a hassle-free, long-term power solution, this battery truly delivers peace of mind.
Lithium Marine Battery Product Catalog 1
Lithium Marine Battery Product Catalog 2
Lithium Marine Battery Product Catalog 3
Wide Compatibility Across Boat Types: Efficient Lithium Power Solutions for Trolling, Propulsion, and Onboard Systems
| Vessel Category | Common Uses | CoPow Lithium Battery Features |
|---|---|---|
| Fishing & Bass Boats | Trolling motors, fishfinders, GPS units, sonar equipment | 36V battery series designed for trolling motors; delivers steady power, resists saltwater corrosion, and withstands vibrations |
| Yachts & Sailboats | Cabin lighting, refrigeration, air conditioning, navigation and onboard entertainment | Deep-cycle 12V / 24V / 48V options; lightweight construction conserves space and reduces load |
| Electric-Powered Boats | Electric outboard and inboard propulsion systems | High-voltage batteries support flexible series and parallel setups for short- and mid-distance electric cruising |
| Inflatable Boats & Kayaks | Portable energy supply | Up to 70% lighter than conventional lead-acid batteries, simple to carry and install |
| Commercial & Specialized Vessels | Patrol boats, small passenger ferries, work platforms | Customizable voltage and form factors to fit unique compartments and operational requirements |
Recommended Lithium Marine Battery System Bundle
CoPow advises using these matched components, each verified for full compatibility, to get the most out of your battery. A complete bundle delivers a smarter, safer, and more durable energy setup for your boat.
| Component | Suggested Specs | Core Features & Benefits | Reason for Recommendation |
|---|---|---|---|
| Marine Lithium Charger | 24V 10A / 20A IP67 waterproof charger for onboard use | CC/CV charging profile optimized for LiFePO4; fully sealed, resistant to water and salt corrosion | Protects battery life and allows secure charging even in tough marine environments |
| Smart Battery Monitor | High-precision LCD or color screen coulometer | Displays real-time voltage, current, power usage, and remaining capacity (SOC %) | Eliminates guesswork about battery range and provides far more precise runtime information than traditional voltmeters |
| Custom Wiring Kit | Premium silicone cables with Anderson connectors (PP45 / SB50) | Flame-retardant, high-current cables with adjustable lengths; plug-and-play design with minimal contact resistance | Guarantees safe power transmission, prevents connector corrosion, and simplifies installation |
| Protection & Mounting Hardware | Heavy-duty battery box and mounting brackets | Shock-absorbing, anti-slip design to handle severe vibrations while sailing | Maintains battery integrity and meets marine safety installation standards |
Got special requirements? No problem.
As a premium LiFePO₄ marine battery manufacturer with advanced customization capabilities, CoPow offers a wide range of flexible options, including voltage, capacity, form factor, and system integration.
If you have any specific application needs, feel free to contact our engineering team, and we will provide professional solutions with the fastest response time.
Key Benefits of CoPow Lithium Marine Battery
Lithium Marine Battery Replacement for Lead-Acid Systems
Custom Marine Lithium Battery for OEM and Specialized Marine Applications
Flexible Series & Parallel Design for Easy 24V 48V Marine Power Systems
Whether you are meeting the high-load demands of long-distance sailing or building a reliable home energy backup, the CoPow lithium battery series supports flexible series and parallel configurations, allowing precise customization of capacity and voltage to suit your needs.
Typical Applications: Covers both marine and home energy storage scenarios.
Scenario A: 24V Marine Power System Upgrade
- Configuration: Two 24V 50Ah batteries connected in parallel.
- Performance Boost: Provides a full 100Ah of usable capacity. Optimized for trolling motors, the weight is only 33% of comparable lead-acid batteries, reducing vessel weight, increasing sailing speed, and lowering draft.
Scenario B: 48V Off-Grid Home / RV Energy System
- Configuration: Two batteries connected in series.
- Performance Boost: Quickly forms a 48V 50Ah high-voltage system. Fully compatible with mainstream inverter protocols such as Victron and Pylontech, delivering stable, continuous power for high-demand appliances including air conditioners, microwaves, and onboard electronics.
CoPow Professional Installation Recommendations
- Consistency Principle: To ensure system longevity and stability, always use batteries of the same model and batch when creating battery networks.
- Voltage Balance: Fully charge each individual battery before connecting, and ensure the voltage difference between units is within 0.1V.
- Intelligent Protection: The built-in smart BMS continuously monitors cell balance in series and parallel setups, preventing overcharge and over-discharge risks.
Reliable Charging Performance at –20 °C for CoPow Lithium Marine Batteries
Lithium Marine Battery Manufacturer Specializing in LiFePO4 Technology
CoPow Lithium Marine Battery – Shipping & Total Cost Overview
| Business Advantage | Implication for Your Operations |
|---|---|
| Flexible Wholesale Pricing | Our factory-direct approach includes a multi-tiered pricing system. Higher order quantities reduce unit costs, allowing distributors to enjoy greater profit potential. |
| Risk-Free Quality Verification | Special pricing is available for trial purchases, enabling professional buyers to assess the performance of our Grade-A cells before making large-volume commitments. |
Benefits of 12V 150Ah Deep Cycle Battery
♦ Battery Level Display
Our R&D team has designed a battery indicator that you can display the battery level.
♦ Self-heating Function and Low Temperature Charging Protection Built-in BMS can automatically stop charging and self-heating at 0 ℃ to protect the battery from damage. BMS can eliminate the most common battery failure problems of lithium iron phosphate batteries, such as large temperature fluctuations, overcharge, over-discharge, overcurrent, overheating, and ground faults.
♦ Lightweight
The 24V battery weighs only 1/3 the weight of the traditional SLA battery. 12V150Ah LiFePO4 battery is a safe and easy-to-install energy storage solution. This lithium battery is sturdy, high-performance, maintenance-free, and lightweight.
♦ Deep Cycle Battery Pack
Huanduy LiFePO4 battery has a deep cycle time of 4000+ times, and its service life is five times that of lead-acid batteries. This battery from us can help you save money and save the hassle of multiple purchases.
♦ 3x Faster Charging Time
The battery can charge this 12v Li-Ion battery pack from zero with a fast charger. Charge time is three times faster than traditional SLA batteries.
Performance Characteristics
Safer And Smart
Why CoPow Battery Is Safer
Why CoPow Battery Is Smarter
CoPow battery, safer and smarter, always so cool.
Your Best Supplier for 12V 150Ah Deep Cycle Battery
● Rich Experience in LiFePO4 Battery Industry
Huanduy specializes in lithium battery design and manufacture, and replacements for lead-acid batteries. We focus on lithium-ion batteries for more than ten years and are committed to meeting your safe electricity. We use high-end technology and intelligent software to create high-quality lithium batteries.
● Strong Innovation and Technology
We are experts in lithium battery R&D and manufacturing, always committed to pushing the boundaries with innovation and technology. Huanduy aims to provide clean lithium batteries and powerful energy storage solutions. Our products cover customers' lives, from home, travel, and industrial equipment to leisure equipment.
● Excellent Service and Reliable Warranty
We offer you a extended 5-year warranty. We are confident in the quality of our product because it is strictly inspected before shipping. Our customer service team provides one-stop pre-sales and after-sales services online 24 hours.
● Widely Application, Global Business
Welcome friends from all over the world to visit, guide, and negotiate. Our products sale to Europe, America, Australia, Panama, Pakistan, and other parts of the world. Our products can meet the ever-changing economic and social needs. Huanduy batteries have been well received and affirmed by users. We welcome you to contact us to create a future business relationship and create brilliance together!
TOP CoPow R&D Team
With 20 years experience on average
With specially-appointed professors as the backbone,
CoPow R&D team continuously committed to technological innovation.
Production Process of LiFePO4 Battery
With a perfect safety production management system, to achieve close monitoring of product quality, effectively improve our work efficiency, reliable quality management system can protect your interests.The officially certified 12v 150Ah lithium ion battery makes you more trustworthy.
Application
The 12v 150ah deep cycle battery eliminate the hassle of frequent maintenance and low battery usage. LiFePO4 reduces the lead-acid batteries' weight, while highly increasing performance and capacity. You can use it outdoor. With our LIFEPO4 as a marine battery, you can enjoy the sea scenery with peace of mind.
Huanduy lithium battery has 100% available capacity. Our lithium battery has stable voltage and powerful power. We provide deep cycle solutions for your boat. This will bring you a brand-new lithium battery experience.
Huanduy LiFePO4 battery can be customized for Bluetooth. You can view working information such as battery charging status, voltage, current, temperature, etc. on your mobile phone or computer in real-time. The Bluetooth design will help you use the boat more conveniently and safely.
The durability and safety of a 12v150Ah lithium battery are high. Our batteries are more reliable and safer than similar products. The internal structure is sturdy, protecting the battery from the risk of a short circuit caused by vibration or shock. The battery is water and salt water tested for complete corrosion resistance. Lithium batteries are perfect for marine.
Compared with traditional battery technology, the Huanduy lithium battery charges faster have a longer service life, and is more environmentally friendly. Huanduy lithium battery provides you with cleaner, higher, and safer ship power solutions.
Huanduy 12v150Ah can be used as your ideal marine battery, saving you electricity, time, and cost. You can achieve greater economic benefits from this.
Customer Review
CoPow battery, safer and smarter, always so cool.
Always highly reviewed by customers all over the world.
FAQ
(1). How Long Does It Take to Charge a 12-volt Marine Battery?
In most cases, a boat battery will take about 4-6 hours to charge.
(2). Are All 12V Lithium Batteries the Same?
The 12V battery types are similar in that they power your 12V electrical system. However, there are differences in how they are designed, capacity, and purchase cost.
(3). How to Wake up a 12V Lithium Battery?
You can use a suitable charger and connect the battery for a few minutes while watching for damage signs. You can also use a charger with a "boost" or "wake up" function. But it is not recommended for you to boost operation for a ≤1.5V Li-ion battery.
(4). Is the 150Ah Battery Enough for Home Use?
In general, a battery ≥140 Ah is sufficient for your household needs.
(5). Should the Marine Battery be Disconnected While Charging?
Yes, the battery must be disconnected from the boat before charging.
(6). Need to Charge a Brand-New Marine Battery?
New marine batteries may carry some charge. You may need to charge the battery fully before using it on board.
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