
What Telecom Outdoor Micro-Station UPS Battery Covers
Industry pain point: lead-acid lifespan shrinks 80% in high heat, per-site annual maintenance exceeds ¥4,000, and network-wide tens of thousands of outdoor sites cost over ¥100M/year. Carriers are shifting from "reactive battery swapping" to "one-time lithium swap, 5 years hands-off." PLB, founded 2014, builds outdoor UPS batteries with wide-temperature cells and IP67 sealing — stable from −30 °C to 55 °C, 5-year maintenance-free, 60% lower per-site TCO. Deployed in 100+ countries from the Arctic Circle to equatorial deserts.
Professional Battery Solutions
Operators Demand 4H+ Backup — Lead-Acid Takes Half the Room, What Now?
Operator enterprise standards require ≥4-hour backup. Meeting that with lead-acid needs 8-12 parallel 100Ah groups at 800kg+. Many rooms have a floor-loading capacity of only 300–500kg/㎡, so 800kg batteries exceed the limit — and property owners reject deployment, with site rejection rates up to 60%. Even when installed, lead-acid drops to 60% in three years, so by year four the backup fails the 4-hour standard and the operator takes a KPI penalty.
Property approval jumps from 40% to 95%, dramatically reducing site rejections. The PLB LL-UPS48200 has 3× the energy density — the same 4-hour backup in one third of the volume, with weight dropping from 800kg to 180kg. Two parallel units meet the 4-hour requirement and floor loading falls from 800kg/㎡ to 200kg/㎡.
| Lead-acid | PLB lithium | |
|---|---|---|
| Groups for 4-hour backup | 8-12 parallel 100Ah | 2 units (LL-UPS48200) |
| Weight | 800kg+ | 180kg |
| Floor loading | 800kg/㎡ | 200kg/㎡ |
| Property approval rate | 40% | 95% |
5G Base Station Electricity Is 40% of OpEx — How Does Peak-Shaving Save Money?
The pain is specific: 5G Base Station Electricity Is 40% of OpEx — How Does Peak-Shaving Save Money? 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.
A single site saves ¥1,500–2,000/year; across a network of 30,000 sites that is ¥45–60M/year. 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 |
Tens of Thousands of Stations — Manual Battery Inspection Can't Keep Up
A single city has hundreds of base stations and a province has thousands. Lead-acid needs quarterly inspection — three people take a full year for one provincial round. Between those inspections, sudden failures cause site outages and KPI penalties. Annual inspection labor exceeds ¥2M, and groups want to cut it but cannot under lead-acid.
Annual maintenance drops from ¥2M to ¥200K — a 90% reduction — and three staff can manage 3,000 stations for 10× efficiency. The PLB BMS with standard 4G aggregates every base-station status into the provincial NOC: real-time SOC/SOH, temperature and fault codes with automated alerts, plus precise work orders that eliminate blind inspections.
| Lead-acid | PLB lithium | |
|---|---|---|
| Inspection cycle | Quarterly, manual | Continuous, remote |
| Coverage per provincial round | 3 people, 1 year | 3 staff, 3,000 sites |
| Annual inspection cost | Over ¥2M | ¥200K |
| Fault visibility | Only between inspections | Real-time SOC/SOH/alerts |
2-Hour Mountain Drive for Battery Swap — How to Reduce Site Visits?
Mountain, desert and island base stations are extremely hard to access — two hours one way. Lead-acid weighs 80kg and needs two people to carry it up, which is dangerous, and every swap costs ¥2,000+. Winter at −20 °C slashes capacity and triggers frequent outage alarms. Industry data shows the per-visit cost of a remote site is 5-8× that of an urban site.
Remote-site maintenance cost drops by 90%+. The PLB LL-UPS48050-OW weighs only 15kg — one fifth of lead-acid — so one person can carry it up. Wide-temperature cells deliver 80% of rated capacity at −30 °C, and the 4G remote BMS lets the NOC check every site from the office.
| Lead-acid | PLB lithium | |
|---|---|---|
| Weight | 80kg, two-person carry | 15kg, one-person carry |
| Capacity at −30 °C | Severely reduced | 80% of rated |
| Cost per site visit | ¥2,000+ | Maintenance down 90%+ |
| Site access | 2 hours one way | NOC checks remotely |
Tens of Thousands of Outdoor Sites — How to Manage Centrally?
Provincial NOCs need the battery status of every base station, but lead-acid has no communication capability — only manual inspection, with data that is delayed and inaccurate. A reactive repair model causes long outages and poor KPI scores. Industry statistics: the lead-acid network-wide outage rate is 3-5%; lithium plus remote monitoring drops it below 0.3%.
Network outage rate drops from 3-5% to below 0.3%, lifting KPI rankings from bottom to top. The PLB BMS aggregates all status to the NOC dashboard over standard 4G, and AI predicts replacements 30 days in advance. Annual maintenance falls from ¥20M+ to ¥2M.
| Lead-acid | PLB lithium | |
|---|---|---|
| Network outage rate | 3-5% | Below 0.3% |
| Status visibility | Manual, delayed | 4G dashboard in the NOC |
| Replacement planning | Reactive | AI predicts 30 days ahead |
| Annual maintenance | ¥20M+ | ¥2M |
Cabinet Hits 65 °C in Summer — Lead-Acid Dies in 6 Months, Fix?
5G micro-station cabinet temps hit 55–65 °C under summer sun. Lead-acid life halves for every 10 °C above 40 °C — one summer causes 30%+ capacity loss and batteries swell within 6 months. Operators replace 3x/year at over ¥4,000/site. Network-wide cost exceeds ¥100M. Hidden risk: high-temperature lead-acid may leak or even catch fire.
60% lower per-site TCO, saving ¥4,000+/year in maintenance and ¥40M+ annually network-wide. PLB LL-UPS48050-OW outdoor UPS uses heat-resistant cells rated −30 °C to 55 °C, maintaining ≥85% capacity at 55 °C. IP67 + UV-resistant shell. 5-year maintenance-free.
| Lead-acid | PLB lithium | |
|---|---|---|
| Operating range | 0–40 °C with heater | −20~60 °C without heater |
| Capacity in cold | Drops sharply | Stable |
| Life in hot cabinets | Under 2 years | 5 years+ |
Shelters are narrow — how do you install and service the pack?
Telecom shelters and pole cabinets are built as small as possible, and a lead-acid string is heavy and usually mounted from the top. Installation needs two technicians and a hoist, and swapping one block means dismantling the string.
PLB packs use a front-access layout with handles and slide-on terminals: one technician can install a module in a narrow shelter, and a single module can be replaced without touching the rest of the string. Weight is about one third of the equivalent lead-acid bank.
| Lead-acid string | PLB lithium | |
|---|---|---|
| Installation | 2 technicians + hoist | 1 technician, front access |
| Module replacement | Rebuild the string | Swap one module |
| Weight | 3–4× heavier | About 1/3 |
Solution Advantages
Wide-Temp
All-climate coverage
PLB's own wide-temperature cell team and 10 years of extreme-environment validation keep 85% capacity at 55 °C and 80% of rated capacity at −30 °C. Deployed from the Arctic Circle to equatorial deserts.
Own wide-temp cells · 100+ countries validated · BMS temperature compensationAll-Weather
Sun, rain, salt spray proof
PLB's own IP67 laboratory with 1000-hour salt-spray testing on every unit: integrated IP67 protection plus a UV-resistant shell, with no extra cabinet needed. Direct sun, driving rain and salt spray are all covered.
Own IP67 laboratory · 1000h salt-spray full inspection · UV-resistant shellUltra-Light
1/5 weight of lead-acid
PLB's high-energy-density cell design cuts volume and weight to one fifth of lead-acid. One person can carry it up the tower, raising remote-site service efficiency tenfold.
High-energy-density cells · One-person installation · Much lower safety riskZero Maint
60% lower per-site TCO
PLB cells are 100% inspected to 4,000+ cycles: zero replacement and zero maintenance within five years. Self-discharge is under 2% per month, so long power-off periods are covered too.
4,000+ cycle full inspection · Self-discharge <2%/month · 5-year zero maintenanceFrom 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 load profile, backup time and installation space — 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 — rack modules for data halls, cabinet packs for industrial rooms and outdoor packs for telecom sites.
| Model | Voltage | Capacity | Continuous current | Form factor | Applications |
|---|---|---|---|---|---|
| 25.6V 50Ah | 25.6V | 50Ah | 50A | Module | Small control rooms · edge cabinets |
| 25.6V 100Ah | 25.6V | 100Ah | 100A | Module / rack | Industrial UPS · small data rooms |
| 48V 100Ah | 48V | 100Ah | 100A | 19-inch 3U | Telecom sites · edge data centers |
| 51.2V 200Ah | 51.2V | 200Ah | 200A | 19-inch rack | Data center UPS · colocation |
| 512V 100Ah | 512V | 100Ah | 500A | Cabinet | Large UPS rooms · 1–800kVA systems |
By system size: up to 10kVA → 25.6V modules.
By environment: Data hall → 19-inch rack modules.
Not sure? Send us the load profile and required backup time — our engineers will size the system directly.
Frequently Asked Questions
The questions UPS buyers and facilities engineers ask most about LiFePO₄ UPS modules in the Telecom & Edge Sites scenario — 48V (nominal voltage) and −20~60 °C (operating range), and what it takes to qualify.
What has to change on the cabinet before a LiFePO₄ pack goes into the Telecom & Edge Sites scenario?
Modules are sized to common lead-acid blocks and cabinet voltages (25.6 V, 48 V, 51.2 V, 512 V) with the same terminal layout and 19-inch or cabinet mounting, so the string, breaker and charger settings carry over. For Telecom & Edge Sites builds the range starts at 48V 50Ah and 48V 100Ah, specified at 48V (nominal voltage).
Does output stay flat through a whole Telecom & Edge Sites backup window?
At equal nominal capacity the LiFePO₄ pack delivers roughly 90% usable energy against about 60% for lead-acid, and 2C high-rate discharge covers the short backup window without derating. Key figure: 50–100Ah (capacity range).
How is the pack sealed and thermally managed in Telecom & Edge Sites duty?
Specification: −20~60 °C (operating range). BMS thermal protection governs charge and discharge at the temperature limits.
Is a special charger needed in the Telecom & Edge Sites scenario?
No special charger is required: the BMS limits charge voltage and current, so the existing UPS charger works inside the recommended window.
What warranty and after-sales support apply in the Telecom & Edge Sites 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 load profile, backup time and installation space — 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









