12V 400Ah Lithium Marine Battery
- Longer Off-Grid Runtime: The high-capacity 12V 400Ah lithium marine battery delivers 5.12kWh energy, reducing charging interruptions and extending multi-shift B2B maritime fleet operations.
- Stable Cruising Output: Engineered for demanding watercraft, this premium 12V 400Ah marine battery provides flat-voltage curves, minimizing power drops to marine trolling motors.
- Compact Waterproof Fit: Its rugged, corrosion-resistant casing improves integration inside tight compartments, enabling faster drop-in replacement for commercial marine fleet projects.
- Lower Maintenance Cost: Using zero-maintenance LiFePO4 chemistry, this smart 12V 400Ah lithium marine battery eliminates watering upkeep, maximizing boat availability and fleet efficiency.
- Practical Application Coverage: Perfect for trolling motors, commercial yachts, and RV systems, this battery handles diverse deep-cycle scenarios requiring dependable all-weather readiness.
- Safer Smart Structure: The advanced 12V 400Ah lithium marine battery features built-in low-temperature heating, emergency one-click starting, and Bluetooth tracking for secure operations.
- Better Lead-Acid Upgrade: Delivering rapid charging, 1500A starting power, and 2500+ cycles, it maximizes vessel uptime while reducing long-term fleet replacement pressures.
Next-Gen 12V 400Ah Lithium Marine Battery
The high-capacity 12V 400Ah lithium marine battery delivers 5.12kWh of robust energy. Designed by FEBATT for commercial electric tricycles, heavy-duty golf carts, and high-performance vessels, it eliminates frequent charging interruptions and ensures continuous fleet operation.
Premium 2500+ Cycles Operational Lifespan
Engineered with reliable LiFePO4 cells, this long-lasting 12V 400Ah lithium marine battery supplies over 2500 complete lifecycles. It offers B2B buyers a durable 6+ year lifespan, maximizing asset uptime while lowering long-term replacement pressures for electric vehicle fleets.
Formidable 1500A High Cranking Power
Built to withstand heavy startup demands, this premium 12V 400Ah lithium marine battery handles a 1500A starting current for up to 5 seconds. It easily drives heavy material handling forklifts, electric motorcycles, and powerful commercial boat motors.
Core Specifications of 12V 400Ah Lithium Marine Battery
| Specification | Details |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity | 400Ah |
| Cycle Life | > 2500 Cycles (Estimated lifespan of 6+ years) |
| Starting Current | 1500A (≤ 5s) |
| Charge Current | ≤ 50A |
| Discharge Current | ≤ 100A |
| Operating Temperature | -40°C to 65°C (Supported by low-temperature heating) |
| Temperature Tolerance | -20°C to 65°C |
| Casing Material | Anti-corrosion and Waterproof |
| Terminals | Safe, Anti-rust Electrodes |
| Smart Functions | Low-power one-key start, Low-temperature heating, Bluetooth monitoring |
| Application Scenarios | Highly versatile; suitable for various types of electric vehicles (EVs) and marine vessels. |
Smart Internal Heating System Built-In
Operating seamlessly between -40°C and 65°C, this advanced 12V 400Ah lithium marine battery utilizes a low-temperature heating function. It guarantees uninterrupted deep-cycle efficiency for demanding outdoor applications like cold-chain logistics and winter RV fleets.
Wireless Bluetooth & Emergency Setup
This intelligent 12V 400Ah lithium marine battery integrates real-time Bluetooth tracking alongside an innovative emergency one-click start. These smart components let B2B buyers monitor system metrics remotely, ensuring secure, fail-safe fleet management.
Waterproof & Anti-Corrosion Structure
Featuring a rugged IP-rated casing and safe, anti-rust electrode terminals, this robust 12V 400Ah lithium marine battery blocks moisture intrusion. Its heavy-duty industrial structure prevents vibration damage across rugged electric tricycles and demanding offshore environments.
Versatile Commercial Fleet Power Solution
Perfect for industrial forklifts, custom RV builds, golf carts, and marine trolling motors, this adaptable 12V 400Ah lithium marine battery answers diverse deep-cycle scenarios. FEBATT provides customized configurations to support your specialized bulk OEM projects.
360° Safety: The "Sentinel" BMS
Advanced Smart BMS Protection
- Over-current protection
- Over-discharge protection
- Low-power protection
- High & low temperature protection
- Overload protection
- Short-circuit protection
- Automatic disconnection protection
Core Advantages
Deep OEM & ODM Customization
Certificate
Pre-integrated UN38.3, GPSR, CE, MSDS, ISO9001,and other certifications to shorten market access cycles
Wholesale Process
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FAQ
Q1: Are lithium batteries suitable for marine use?
A: Yes. LiFePO4 batteries are well suited to marine house-power and deep-cycle applications because they provide stable performance, long cycle life, and strong thermal stability. Compared with some other lithium chemistries, LiFePO4 is less prone to overheating or thermal runaway. A reliable BMS, proper charging system, secure installation, and suitable enclosure protection are still essential for safe marine operation.
Q2: What battery types are commonly used in marine applications?
A: Common marine battery types include flooded lead-acid, AGM, gel, and lithium batteries. LiFePO4 batteries are increasingly used because they provide stable voltage, lower maintenance, high usable capacity, and longer cycle-life potential.
Q3: Can lithium marine batteries replace lead-acid marine batteries?
A: Yes. A lithium marine battery can replace many lead-acid batteries when the voltage, capacity, installation space, discharge current, cables, connectors, charger, alternator, and vessel electrical system are properly matched.
Q4: What are the main benefits of lithium marine batteries?
A: Lithium marine batteries offer lower weight, more usable energy, faster charging, stable voltage output, longer cycle-life potential, and less routine maintenance than conventional lead-acid batteries. These advantages can reduce downtime and long-term battery replacement costs.
Q5: How long does a lithium marine battery last?
A: A well-designed lithium marine battery may last 8–10 years or longer under suitable operating conditions. Actual service life depends on charging practices, temperature, depth of discharge, operating current, battery quality, and maintenance.
Q6: Do lithium marine batteries require a special charger?
A: A lithium marine battery should use a charger with charging parameters compatible with its LiFePO4 cells and BMS. An existing marine charger may be used only when its voltage settings and charging profile match the battery manufacturer’s requirements.
Q7: Are FEBATT lithium marine batteries suitable for trolling motors?
A: Yes. FEBATT lithium marine batteries can provide stable voltage and continuous power for trolling motors. The battery voltage, capacity, continuous discharge current, peak current, wiring, fuse, and charger must be matched to the trolling motor’s specifications.
Q8: Can lithium marine batteries be charged below 0°C?
A: Standard LiFePO4 batteries should not be charged below 0°C unless they include low-temperature charging protection or a suitable heating system. FEBATT can configure low-temperature cutoff and self-heating functions for marine projects operating in cold climates.
Q9: Can FEBATT customize lithium marine batteries for OEM or ODM projects?
A: Yes. FEBATT can customize lithium marine battery voltage, capacity, dimensions, discharge current, enclosure, connectors, cable direction, mounting points, communication protocols, BMS functions, labeling, and other specifications for OEM and ODM marine projects.
Q10: What information is required for a custom lithium marine battery quotation?
A: FEBATT normally requires the system voltage, capacity, continuous and peak current, installation dimensions, load type, charger or alternator specifications, communication requirements, operating temperature, order quantity, and destination market.
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