What Construction Machinery Parking AC Covers
Operators work 10–14 hours daily. Summer cabin temps 60 °C+, parking AC is operator's "lifeline." But construction equipment represents the harshest environment — explosive dust, extreme vibration (3–10g), temperature extremes, oil splatter. Ordinary batteries die within 3 months. Equipment managers' pain: frequent battery replacement + operator heat + safety risks. PLB, founded 2014, construction parking LiFePO₄: IP67 sealed + dual-layer potting anti-vibration + laser welding + -20 °C to 60 °C wide temp. Stable 5-year operation in mines, sites, quarries. Operators work with peace of mind, managers worry-free.
Professional Battery Solutions
—— Mine Dust Clogs Vents — Battery Overheating, Operator Heat Stroke
Mines/quarries/construction sites have extreme dust — battery cooling vents get clogged. Poor heat dissipation causes internal temp spike → BMS thermal cutoff → AC stops. Summer cabin 60 °C+, operator heat stroke risk within 30 minutes. Accident compensation ¥500K+ plus downtime — one heat stroke incident far exceeds annual battery budget.
Dust never clogs = AC always running = operator safety ensured. PLB LL-PC200D industrial IP67 sealed — no cooling vents, dust cannot enter. Heat dissipates through aluminum shell conduction, no air convection needed. Regardless of dust severity, cooling system never clogs. Shell can be directly hose-washed.
| Conventional | PLB industrial | |
|---|---|---|
| Dust ingress | Vents clog, overheating | Sealed, no vents |
| Cooling | Fan, fails in dust | Aluminium conduction |
| Cleaning | Cannot be washed | Hose-down clean |
| Service life in mines | Short | Five years |
3–10g —— Excavator 3–10g Vibration — Standard Battery Solder Joints Break, Short Circuit Fire
The pain is specific: 3–10g —— Excavator 3–10g Vibration — Standard Battery Solder Joints Break, Short Circuit Fire 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.
2 years on high-vibration equipment with zero loosening — operator life safety. 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 |
-20℃ —— -20 °C Winter — Battery Won't Charge, Parking AC Becomes Useless
Northern mines/sites winter -20 °C to -30 °C. Standard LiFePO₄ can't charge below 0 °C, BMS prohibits below -10 °C. Winter 3–4 months battery can only discharge, not charge — parking AC useless. Operators freeze in cold cabins, affecting efficiency and safety. Equipment managers face "installed battery but can't use in winter" complaints.
-20 °C normal charging — parking AC uninterrupted year-round. PLB LL-PC200D cold version with built-in heating film + BMS low-temp management. Auto-activates heating at -20 °C to preheat cells above 5 °C before charging — no external heating needed. ≥80% usable capacity at -20 °C. Normal winter use, operator comfort year-round. -20℃.
| Conventional | PLB cold version | |
|---|---|---|
| Charging at −20 °C | Not possible | Automatic preheat |
| Capacity at −20 °C | Below 50% | 80% or more |
| Winter availability | Air conditioning unusable | All year round |
| Heating | None | Built-in film |
Solution Advantages
Sealed
Dust-proof, hose-washable
Fully sealed with no vents to clog, aluminium conduction cooling and a case that can be hosed down — five years in mine dust without attention.
Aluminium conduction cooling · Hose-down clean · No dust cloggingLaser Weld
5× strength, zero joint failure
Laser welding with double-layer potting passes IEC 60068-2-6 at 10g, so high-vibration machinery sees no loosening, no joint failure and no shorts after two years.
5× weld strength · IEC certified · No loosening after two yearsCold Version
Auto-preheat, 80%+ at -20 °C
A built-in heating film preheats automatically so charging works at −20 °C with 80%+ capacity, keeping parking air conditioning available all year.
Automatic preheat · 80%+ at −20 °C · Available all yearOil-Proof
Oil splatter resistant
The sealed case with oil-resistant terminal coating resists oil splash in the workshop: wipe it clean and run five years with no maintenance.
Sealed case · Oil-resistant terminals · Five years maintenance-freeFrom 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 air-conditioner rating, nightly hours and battery-box dimensions — our engineers size the pack 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 — compact 12V packs for light trucks, 24V packs for long-haul and heavy trucks, plus cold-chain and industrial versions.
| Model | Voltage | Capacity | Form factor | Applications |
|---|---|---|---|---|
| LL-PC150 | 12V | 150Ah | Compact drop-in, 1/3 the volume | Light delivery trucks |
| LL-PC200 | 24V | 200Ah | 8–10 h AC runtime, 2,000A start | Long-haul trucks |
| LL-PC250 | 24V | 250Ah | Sustained 1C, cold-chain ready | Heavy trucks · reefer |
| LL-PC200D | 24V | 200Ah | Industrial sealed version | Construction machinery |
| LL-PC200-CL | 24V | 200Ah | Cold-chain version, −30 °C | Refrigerated transport |
By vehicle: light delivery truck → LL-PC150.
By duty: overnight rest only → 200Ah.
Not sure? Send us the air-conditioner rating, nightly hours and battery-box dimensions — our engineers will size the pack directly.
Frequently Asked Questions
The questions fleet managers and truck owners ask most about LiFePO₄ parking-AC batteries in the Construction Machinery scenario — IP67 (sealed, no vents), and what it takes to qualify.
What has to change on the vehicle before a LiFePO₄ pack goes into the Construction Machinery scenario?
The pack fits the original battery box at the same 12 V or 24 V system voltage with the same terminal layout, so no bodywork change is needed. Typical models for Construction Machinery builds are LL-PC200D (industrial) and LL-PC200D (cold version).
Does output stay flat through a whole Construction Machinery rest period?
The pack runs the air conditioner through the rest period without idling the engine, and deep-cycle life replaces the one-year lead-acid replacement cycle.
How is the pack sealed and thermally managed in Construction Machinery duty?
Specification: IP67 (sealed, no vents). The sealed housing is rated for engine-bay heat and road vibration, with BMS over-current and over-temperature protection.
Is a special charger needed in the Construction Machinery scenario?
The alternator recharges the pack while driving, and the BMS limits current so the vehicle circuit stays inside its rating.
What warranty and after-sales support apply in the Construction Machinery scenario?
Standard products carry a full warranty backed by lifetime technical support, with terms confirmed on the quotation; export packing is UN 38.3-certified with MSDS. Tell us the air-conditioner rating, nightly hours and battery-box dimensions — our engineers size the pack 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