
What Cargo & Ferry Power Covers
Ferries and cargo ships must shut down diesel auxiliaries in port — all power (lighting, ventilation, refrigeration, navigation, comms) shifts to battery storage. Industry estimate: a 200kWh marine LiFePO₄ system achieves zero port emissions with ¥500–800K fuel savings over 5 years. PLB, founded 2014, commercial marine batteries pass SOLAS + A.686(17) safety guidelines. Dual-function port pure-electric + emergency backup. DNV/BV/LR class certified.
Professional Battery Solutions
Port Mandates Zero Emissions — Diesel Auxiliaries Banned, What Now?
Major EU ports (Rotterdam, Hamburg, Gothenburg) mandate zero-emission at berth from 2025 — diesel auxiliaries must shut down, all power from shore or onboard storage. Non-compliance fines €5-50K per incident. Chinese ports (Shenzhen, Shanghai, Ningbo) following from 2026. Shipowner pain: shore power isn't everywhere; where available costs ¥2–3/kWh. No onboard storage = violations and fines.
Port zero-emission compliance + ¥500–800K fuel savings over 5 years. PLB LL-MARINE48500-CARGO 200kWh system covers full port power needs (ventilation + refrigeration + lighting + navigation + comms for 48–72 hours). "Charge while sailing + pure-electric in port" mode with automatic BMS management. DNV/BV/LR certified — port inspection worry-free.
| Diesel auxiliaries | PLB storage | |
|---|---|---|
| Port compliance | Non-compliant from 2025 | Fully compliant |
| Fine risk | €5,000–50,000 per call | Zero |
| 5-year fuel cost | Baseline | ¥500,000–800,000 lower |
| Class approval | — | DNV / BV / LR |
Ferry Engine Failure at Sea — How Long Will Emergency Power Last?
The pain is specific: Ferry Engine Failure at Sea — How Long Will Emergency Power Last? In daily operation, lead-acid or manually managed packs lose capacity between scheduled checks, maintenance teams cannot inspect every unit, and the failure surfaces only when the load is already at risk.
SOLAS emergency compliance + zero PSC detentions. PLB's LiFePO₄ pack and BMS monitor cell voltage, temperature and SOC continuously, alert before a weak cell becomes a failure, and are sized to the application's load profile.
| Conventional / manual | PLB LiFePO₄ | |
|---|---|---|
| Monitoring | Periodic checks | Continuous BMS |
| Fault warning | At failure | Threshold alerts |
| Maintenance | Scheduled visits | Exception-based |
| Service life | 2–3 years | 6,000+ cycles |
2 ¥100 Reefer Container 2H Outage = ¥1M Cargo Loss — Shipowner Can't Afford It
Reefer containers on cargo ships carry frozen food, pharmaceuticals, flowers — high-value cargo. Each reefer 3–8kW. During port maneuvering, power switching failures can cause reefer outages — 2-hour outage sufficient to thaw frozen cargo. One incident causes ¥500K-2M damage plus insurance spikes and cargo owner claims — potentially bankrupting the shipowner.
Reefer outage risk to zero — unlimited cargo damage protection. PLB LL-MARINE48200-REEFER with 0ms seamless switching — reefers zero-perception during power transitions. 2-hour backup covers all switching scenarios. BMS temperature monitoring reports each reefer status in real-time. Class certified — insurance rates reduced 10-15%.
| Conventional | PLB reefer | |
|---|---|---|
| Reefer outage risk | Present, switchover failures | Zero |
| Cargo liability | ¥500,000–2M | Zero |
| Insurance premium | +30% after an incident | 10–15% lower |
| Switchover | Possibly interrupted | 0 ms, no perception |
Solution Advantages
SOLAS Compliant
A.686(17) safety certified
Certified to SOLAS, A.686(17) and DNV / BV / LR class rules, so port-state control inspections close with zero detentions.
SOLAS certified · A.686(17) · DNV / BV / LRZero Emission
Pure-electric port operations
The storage system supports charge-while-sailing with all-electric port operation, shutting the diesel auxiliaries down completely and saving ¥500,000–800,000 of fuel over five years.
All-electric port operation · ¥500,000–800,000 saved in 5 years · CO₂ down 40%+Remote
Shore-based fleet management
4G and satellite communications upload battery status to a shore-based management center, giving fleet-wide monitoring with automatic exception alarms.
4G + satellite · Shore-based management · Fleet alarm notificationLower Insurance
10-15% premium reduction
Class approval, a zero-incident record and remote monitoring are recognized by underwriters, cutting insurance premiums by 10–15% — close to the cost of the batteries each year.
Class approved · Zero-incident record · 10–15% lower premiumsFrom Selection to After-Sales — PLB Stays With You
Four commitments that apply to every page in this category, from the first technical question to long-term support.

Technical Selection Support
Engineer recommends within 24 hours
Tell us the vessel type, daily consumption and engine-room conditions — our engineers size the system and recommend the matching model within 24 hours.
Dedicated technical team · 24-hour response
OEM / ODM Customization
From cell to cabinet, fully customizable
From cells, BMS, housing and terminals to the nameplate, everything can be customized.
4–8 week customization · Tooling development supported
Global Shipping
Export to 100+ countries
Export-compliant packaging with UN 38.3 air transport certification and worldwide delivery.
UN 38.3 certified · MSDS available · Export compliant
Warranty & Support
Standard warranty, lifetime support
Standard products carry a full warranty, backed by lifetime technical support.
Warranty terms on request · Lifetime technical supportWhy Choose PLB?
Years of Manufacturing
Founded in Dongguan, China in 2014
Countries Served
Export-compliant packaging and worldwide delivery
Voltage Platforms
From 25.6V to 512V, built on the same cell platform
After-Sales Rate
Monitored by the internal quality traceability system
Full Range & Model Selection
Complete product range and model selection — fishing and workboat packs, lightweight sailing batteries, high-capacity cargo and ferry systems plus sealed buoy and USV versions.
| Model | Voltage | Capacity | Protection | Applications |
|---|---|---|---|---|
| LL-MARINE48200 | 48V | 200Ah | IP67, 316L terminals | Fishing boats · workboats |
| LL-MARINE48200-YT | 48V | 200Ah | 1.5 h fast charge | Yachts · leisure craft |
| LL-MARINE24100-SAIL | 24V | 100Ah | Lightest option, BT monitor | Sailing · racing |
| LL-MARINE48500-CARGO | 48V | 500Ah | 200kWh systems, DNV/BV/LR | Cargo · ferry · port |
| LL-MARINE48100-USV | 48V | 100Ah | Navigation-linked BMS | USV · unmanned craft |
| LL-MARINE12100-BUOY | 12V | 100Ah | Sealed, buoy-mounted | Offshore platforms · buoys |
By vessel: fishing boat or workboat → LL-MARINE48200.
By duty: 24-hour attractor lights or winches → 48V 200Ah.
Not sure? Send us the vessel type, daily consumption and engine-room conditions — our engineers will size the system directly.
Frequently Asked Questions
The questions boat builders, yards and fleet operators ask most about LiFePO₄ marine banks in the Cargo & Ferry scenario — ¥50–80 (fuel saved in 5 years), and what it takes to qualify.
Which pack fits the Cargo & Ferry vessel already in service?
The bank keeps the vessel DC voltage and footprint, with marine terminals and a BMS configured for the existing charge sources. For Cargo & Ferry builds the range starts at LL-MARINE48500-CARGO and LL-MARINE48200-EMG, specified at 200 kWh (system capacity).
How much usable capacity does the pack deliver across a mission in Cargo & Ferry service?
A 48 V 200 Ah pack weighs about a quarter of the equivalent lead-acid bank, and 6,000 cycles give a ten-year service life.
Will the pack survive Cargo & Ferry conditions for its full service life?
IP67 sealed construction with marine-grade terminals resists salt spray and engine-room heat, and the BMS cuts off above its rated temperature. Endurance: ¥50–80 (fuel saved in 5 years).
How does the pack connect to the charger and control system in the Cargo & Ferry scenario?
The BMS reports SOC, voltage, current and temperature, and CAN or RS485 is available where the vessel bus requires it.
Can the pack be customized for the Cargo & Ferry application and certification file?
Cells, BMS, housing, terminals and nameplate are customizable. Custom packs take 4–8 weeks including tooling. Tell us the vessel type, daily consumption and engine-room conditions — our engineers size the system and recommend the matching model within 24 hours.
Need a Selection Recommendation?
Tell us the load, backup time and installation space — our engineers will recommend the matching battery within 24 hours.
NDA available upon request · Typical response within 12 hours







