What Island & Offshore Storage Covers
For maritime departments, beacon authorities, island management — maintenance costs far exceed equipment. Lead-acid 5-year vessel costs ¥250,000–1,000,000, 5-10× battery purchase cost. PLB island version: 316L stainless + IP68 + Category 12 typhoon proof, 10-year maintenance-free = save millions in vessel costs.
Professional Battery Solutions
3000h—— 10 3000hr Salt Spray — 10 Years Zero Corrosion at Sea
Island salt spray is 5-10× inland — standard housings rust in 3 months, corrode through in 6 months. Terminal oxidation causes frequent failures. Each repair requires waiting for vessel + crew, ¥5,000–20,000/trip. The "hidden cost" isn't equipment but the vessel — one trip costs 10× battery price.
PLB island: 316L stainless housing + marine-grade dual coating (epoxy + polyurethane). ASTM B117 salt spray 3,000 hours ≈ 10 years zero corrosion at sea. Gold-plated copper bus bars 10 years no oxidation. All vessel maintenance costs eliminated — save ¥500,000+ in 5 years.
| Conventional | PLB marine grade | |
|---|---|---|
| Salt-spray testing | None | 3,000 h to ASTM B117 |
| Terminals | Copper, oxidises | Gold-plated busbars |
| Offshore corrosion life | Years | Equivalent to ten years |
| Coating | Single layer | Double marine coating |
12 —— Category 12 Typhoon Proof — Wave-Resistant, Submersible Recovery
The pain is specific: 12 —— Category 12 Typhoon Proof — Wave-Resistant, Submersible Recovery 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.
PLB island: anchor bolts + clamp dual fixation, Category 12 (32.7m/s+). 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 |
¥10 +/ ——5 ¥50 +Save ¥100,000+/Year Vessel Costs — ¥500,000+ in 5 Years
Biggest island maintenance cost is the vessel — ¥5,000–20,000/trip. Lead-acid replacement every 3 years + annual inspection = 5+ vessel trips in 5 years = ¥25,000–100,000 shipping. Plus battery replacement ¥60,000–100,000. 5-year total: ¥310,000–1,100,000.
PLB island 10-year life + IP68 + salt spray resistant + remote 4G/satellite monitoring — 5–10 years without vessel. Save ¥100,000+/year in vessel costs, ¥500,000+ in 5 years. Remote monitoring to shore — vessel only for extreme cases.
| Lead-acid | PLB monitored | |
|---|---|---|
| Vessel trips per year | 5–8 | 0–1 |
| Ten-year vessel cost | ¥500,000+ | ¥0 |
| Maintenance cost | High | 98% lower |
| Monitoring | None | 4G and satellite |
Solution Advantages
316L Stainless
3000hr salt spray, zero corrosion
316L stainless with a double marine coating passes 3,000 hours of ASTM B117 salt spray with zero corrosion, equivalent to ten years at sea, and gold-plated busbars do not oxidise.
Gold-plated terminals · In-house marine protection12 IP68+Cat12
Submersible, wave-proof
IP68 immersion rating with dual fixing rated for Category 12 typhoons means a flooded site is dried and restarted: typhoon losses fall to zero.
Typhoon wind-tunnel verified · Safety case for beacons and lighthousesSave Vessel Costs
5 years, save ¥500,000+
Ten years maintenance-free with 4G or satellite monitoring means no vessel trips for five to ten years, saving ¥500,000+ and cutting maintenance 98% against five to eight trips with lead-acid.
0–1 trips a year against 5–8 · Maintenance down 98%/ Beacon Ready
Navigation beacon certified
Designed for beacons, lighthouses and offshore platforms, meeting IALA beacon standards and marine safety certification for procurement compliance.
IALA compliant · Maritime procurement readyFrom 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 daily kilowatt-hour demand, peak load and site 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 — plug-and-play home systems, modular community storage, telecom base-station cabinets and containerised relief systems.
| Model | Capacity | Form factor | DOD | Applications |
|---|---|---|---|---|
| LL-OG-HOME5 | 5 kWh | Wall / floor | 90% DOD, plug & play | Home essentials · fridge + TV |
| LL-OG-HOME10 | 10 kWh | Wall / floor | 10-year design life | Whole-home off-grid |
| LL-OG-COMM10 | 10 kWh | Modular rack | Expandable in 5–10 kWh steps | Community shared systems |
| LL-OG-COMM20S | 20 kWh | Modular rack | Prepaid metering per household | Institutional · multi-user |
| LL-OG-AGRI10 | 10 kWh | Rack | Pump-ready output | Irrigation · farm supply |
| LL-OG-ISLE20 | 20 kWh | Rack / container | Salt-spray protected | Islands · coastal sites |
| LL-OG-BS50 | 50 kWh | Outdoor cabinet | 95% diesel displacement | Telecom base stations |
| LL-OG-BS100 | 100 kWh | Outdoor cabinet | −40 to 65 °C, auto preheat | Extreme-climate base stations |
| LL-OG-EMER200 | 200 kWh | Container | Rapid deployment | Disaster relief · field camps |
| LL-OG-MINE50 | 50 kWh | Rack / container | Dust and vibration proof | Mining · remote outposts |
By daily demand: lights and phone charging → LL-OG-HOME5.
By site: telecom base station → LL-OG-BS50 / BS100.
Not sure? Send us the daily kilowatt-hour demand, peak load and site conditions — our engineers will size the system directly.
Frequently Asked Questions
The questions EPC contractors and off-grid operators ask most about LiFePO₄ off-grid storage in the Islands & Offshore scenario — 3,000 h (salt-spray tested), and what it takes to qualify.
Will a PLB pack replace the lead-acid unit in the Islands & Offshore scenario without rework?
The storage keeps the site DC bus voltage and stacks in modular units, and the inverter charge settings are documented for commissioning. Typical models for Islands & Offshore builds are LL-OG-ISLE20 and LL-OG-ISLE50.
What runtime and output can we expect over a day in the Islands & Offshore scenario?
Usable depth of discharge is about 90% against roughly 50% for lead-acid, so the same nameplate rating delivers close to twice the usable energy.
What temperature and ingress rating is specified for the Islands & Offshore scenario?
Specification: 3,000 h (salt-spray tested). Sealed enclosure and BMS thermal protection cover outdoor and remote-site duty.
Can the pack report SOC and alarms to monitoring already used in the Islands & Offshore scenario?
The BMS and site controller report SOC, SOH and alarms remotely, so most faults are cleared without a site visit.
Which models cover the Islands & Offshore scenario, and how is delivery handled?
Typical models are LL-OG-ISLE20 and LL-OG-ISLE50. Custom packs take 4–8 weeks including tooling, and lead time for standard models is confirmed on the quotation. Tell us the daily kilowatt-hour demand, peak load and site 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