
What Yacht & Leisure Power Covers
Modern yachts with AC, fridge, microwave, stereo, electric heads, hydraulic doors approach "apartment at sea" — 30-80kWh daily. Yachts are weight-sensitive — every 100kg reduction adds 0.5 knots and cuts fuel 8%. Lead-acid battery banks weigh 500–800kg, severely dragging performance. PLB, founded 2014, yacht LiFePO₄ weighs only 1/4 of lead-acid — same capacity with 300–600kg reduction. Shore power fast charge in 1.5 hours, silent zero-emission for port zero-emission regulations. Exported to 100+ countries.
Professional Battery Solutions
1 20%500kg Lead-Acid Weighing Down the Bow — 1 Knot Slower, 20% More Fuel
40ft motor yachts typically carry four 8D lead-acid groups (80kg each), 320–500kg concentrated in the bow. Bow-heavy trim causes poor running attitude, increased drag, 0.5-1 knot speed loss, 15-20% more fuel. One cruise (500nm) costs ¥3–5K extra in fuel. More critically — bow weight affects high-speed handling stability and safety in rough seas.
300–400kg reduction = +0.5-1 knot + 15-20% fuel savings. One cruise season saves ¥15–30K in fuel. PLB LL-MARINE48200-YT weighs only 80–120kg (1/4 of lead-acid). Flexible placement in stern or distributed for optimal trim. 316L terminals + IP67.
| Lead-acid | PLB marine | |
|---|---|---|
| Battery weight | 320–500 kg | 80–120 kg |
| Speed impact | −0.5 to 1 knot | Baseline |
| Fuel impact | +15–20% | Baseline |
| Trim | Bow-heavy | Flexible ballast |
8 8-Hour Shore Charging — Yacht Owner Can't Wait, Wants to Go
The pain is specific: 8 8-Hour Shore Charging — Yacht Owner Can't Wait, Wants to Go 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.
Full charge in 1.5 hours — arrive Friday, finish coffee, set sail. 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 |
3 Overnight Anchor AC — Lead-Acid Dies at 3 AM, Wake Up Sweating
Overnight anchoring requires AC (especially tropical waters). 1.5HP AC at 1.2kW for 8 hours needs 10kWh. 400Ah (48V) lead-acid = 19.2kWh, but 50% DoD limit = 9.6kWh usable — barely 8 hours with losses, actually dies at 3-4 AM. Owner wakes up sweating — terrible experience, damages yacht brand reputation.
Sleep through the night with AC + fridge + all devices worry-free. PLB supports 90% DoD (vs lead-acid 50%), double usable capacity. 48V 200Ah delivers 8.64kWh usable. Smart BMS manages load priority — AC 10+ hours + fridge 24 hours easily. Owner satisfaction maximized.
| Lead-acid | PLB marine | |
|---|---|---|
| Overnight AC runtime | 5–6 hours | 10 hours or more |
| Usable energy | 9.6 kWh at 50% DOD | 8.64 kWh at 90% DOD |
| Depth of discharge | 50% | 90% |
| Risk of dying at 3 am | Very high | None |
Solution Advantages
Ultra-Light
A quarter of the lead-acid weight
An in-house lightweight structure with high-density cells brings the same capacity to a quarter of the lead-acid weight. Removing 300–600 kg means half a knot more speed and lower fuel burn.
In-house lightweight design · 300–600 kg removed · +0.5 to 1 knotFast Charge
1.5 hours from 20% to full
0.5C fast charging with three-way charge management across shore power, generator and solar gets the boat to sea in 1.5 hours instead of a full day.
0.5C fast charge · Three-way charging · 1.5 h to fullSilent & Clean
Port zero-emission compliant
Silent operation with zero exhaust emissions satisfies tightening port zero-emission rules, and overnight anchoring no longer disturbs the neighbors.
Zero noise · Zero emissions · Port compliantMarine-Grade
IP67 and 316L terminals
316L stainless terminals, IP67 sealing and IEC 60945 vibration certification keep the pack free of corrosion for ten years in salt-laden air.
316L stainless · IP67 sealed · 500 h salt sprayFrom 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 Yachts & Leisure scenario, and what it takes to qualify.
Which pack fits the Yachts & Leisure 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 Yachts & Leisure builds are LL-MARINE48200-YT.
How much usable capacity does the pack deliver across a mission in Yachts & Leisure 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 Yachts & Leisure 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. It also removes 1/4 of weight against the lead-acid unit.
How does the pack connect to the charger and control system in the Yachts & Leisure 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 Yachts & Leisure 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







