What Marine Power Covers
Lead-acid terminals corrode within three months, capacity halves over a fishing season and every kilo of battery costs speed under sail. PLB builds LiFePO₄ marine batteries on self-developed 26650 cells — 24V and 48V packs from 100Ah to 500Ah, IP67 sealing with 316L stainless terminals and 500-hour salt-spray testing, IEC 60945 maritime vibration certification, CCS class approval with IMO MARPOL compliance, 6,000 cycles for a ten-year service life and one quarter of the lead-acid weight. One supplier from cell to certified pack for fishing, leisure and commercial fleets.
Eight Marine Power Sub-Scenarios
Each sub-scenario page covers the pain points that scenario faces, how PLB helps you solve them, a comparison table and the recommended models — so you can compare and choose faster.
Commercial Fishing Boat Batteries
Trawlers and fishing boats that stay out for weeks: 95% capacity retention over 60 days, 5kW attractor-light discharge, IEC 60945 vibration and CCS class approval, with zero port battery swaps.
Yacht & Leisure Power
A quarter of the lead-acid weight, 1.5-hour shore charging and 10 hours of overnight air conditioning — plus silent, emission-free operation that satisfies port regulations.
Sailing Boat Batteries
Weight-critical packs for racing and cruising: three times the solar charge acceptance, under 3% monthly self-discharge and over 90% charge still available after three months moored.
Cargo & Ferry Power
Port zero-emission operation with 200kWh systems: 48–72 hours of hotel load, SOLAS-compliant emergency power and DNV / BV / LR class approval.
Military & Patrol Craft
Four hours of silent patrol, MIL-STD-810G environmental testing, three-layer EMP protection and 75% weight reduction.
Offshore Platforms & Buoys
IP68 submersible packs with titanium terminals: 14 days of power through overcast spells and zero buoy swaps in ten years.
From 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 Marine Power scenario — IEC 60945 (vibration certified) and 6,000 (deep cycles), and what it takes to qualify.
Which pack fits the Marine Power 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. Typical models for Marine Power builds are LL-MARINE48200 and LL-MARINE48200-YT.
How much usable capacity does the pack deliver across a mission in Marine Power 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 Marine Power conditions for its full service life?
Specification: IEC 60945 (vibration certified). Marine-grade terminals and IP-rated sealing resist salt spray, and the BMS cuts off above its rated temperature. Endurance: 6,000 (deep cycles).
How does the pack connect to the charger and control system in the Marine Power 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 Marine Power 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