48VDC ESB series Renewable Hybrid Telecom Power Systems

Reliable on-site power sources are necessary for the continuous operation of telecommunication systems. Cellular towers and repeaters require constant power to ensure network stability, and maintaining and refueling a generator is expensive, ineﬃcient, and time-consuming. So, the ESB series solar power telecom base station can provide a stable -48VDC power supply to the site, avoiding power outages and maintenance.

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brand:
EverExceed
Nominal Battery Voltage:
48VDC
Rectifier:
48V50A, max support 20pcs module
Solar MPPT:
48V50A, max support 20 pcs module
Efficiency:
≥96%
IP Rating:
up to IP65
Cooling:
Fan or aircondition
Monitor System:
Customized multi site Internet centralized monitoring

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Safer

Smarter

Simpler

● Reliable, resulting in improved uptime and lower maintenance costs;

● Enhanced support with a dedicated team of experts to assist;

● Increased intelligence with 24x7 remote and on-site monitoring, providing real-time visibility and immediate detection of anomalies;

● Smart lithium, lead-acid and lithium batteries can be used together in power systems, reducing CAPEX;

● Simple design, factory pre-installed to minimize installation costs and time；

● Minimize expensive energy consumption;

● Module design, minimize initial investment, and flexible expansion;

Benefit

Compatible with multiple battery types;

Built-in rectifier with up to 96% conversion efficiency;

Advanced MPPT technology with a conversion efficiency of up to 97%;

Complete protection functions ensure stable operation of the system;

Reliable common positive electrode grounding provides stable -48VDC power supply;

Plug and play, user-friendly operation;

IP55 protection level, outdoor installation;

Highly customized, can be designed according to technical requirements.

Optional 4G remote monitoring, APP/Website monitoring 24/7 uninterrupted power supply;

Excellent heat dissipation method, forced cooling by fan, and insulation cotton to prevent heat radiation;

Empowering Telecom Networks with Reliable, Cost-Effective and Sustainable Power Solutions

All-Scenario Hybrid Power Solutions

MPPT Module	ECM48-50V2
MPPT input voltage range	100~400VDC(derate@100-200VDC input)
Max input current	19A
Max PV array power	3000W
Nominal output voltage	48VDC
Adiustable range of output voltage	42~58VDC
Rated output current	55A @54.5VDC
Maximum output current limitation	57A
Output regulation	±0.5%
Load sharing (min/max)	±0.5%
Efficiency	≥96%
Operating temperature range	﹣40℃ to +75℃
Max number of parallel units	20pcs
Rectifier Module	ERC48-50V2
Input voltage range	90~300VAC(derate@90~176VAC)
Input frequency	45Hz~66Hz
Peak eficiency	96%
Power factor	0.99 @100%load
Rated power	3000W
Nominal output voltage	48VDC
Adiustable range of output voltage	42~58VDC
Rated output current	56.1A @53.5VDC
Maximum output current limitation	62.5A
Load sharing (min/max)	±0.5%
Max number of parallel units	20pcs
Distribution(customized)
Breaker	AC input MCB, Phostvoltaic input MCB, DC output MCB (LLVD+BLVD), Battery MCB
Surge protection	AC SPD, DC SPD, Photovoltaic SPD
Monitor Module
Monitoring	Can monitor and control: rectifier module, MPPT module and distribution parameters
Signal input	2-way analog signal input (Battery and environment temperature); 2-way dry contact input
Signal output	4-way dry contact output
Communication port	RS485/SNMP
Event log	Up to 1,000 historical alarm records
General Data
External proteciton	IP20 (Up to IP65)
Humidity	<95%
Operating temperature	﹣10℃ to +45℃
Storage temperature	﹣25℃ to +70℃ (excluding batteries)
Altitude	2000m Max without derating
Cooling	Fan cooling (air-condition optional)
Cabinet color	RAL7035
Dimensions	Varying according to ratings and options
Optional
Inverter	1-6kVA, 48VDC/220VAC
Battery	Lithium battery, Sealed Lead Acid AGM or GEL
Dynamic environmental monitoring	monitoring all parameters in cabinet (including battery, aricondition, inverter, rectifier, MPPT, distribution,and environment sensor); Centralized monitoring of multiple sites

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Telecom power solution V1.0 20250227.pdf

Datasheet

1. What is a Hybrid Telecom Power System?

A Hybrid Telecom Power System is an advanced power solution that integrates multiple energy sources—such assolar power, grid electricity, diesel generators, and battery storage—to provide reliable and cost-effective power for telecom sites. It intelligently manages power distribution tominimize fuel consumption, reduce operational costs, and ensure continuous telecom operations.

2. What are the key advantages of a hybrid power system?

Cost Reduction:Optimizes power usage to lower electricity and fuel costs.
Energy Efficiency:Uses solar and batteries to reduce reliance on diesel generators.
Uninterrupted Power Supply:Ensures continuous operation with intelligent energy switching.
Remote Monitoring:Allows real-time tracking and predictive maintenance.
Eco-Friendly Solution:Reduces carbon footprint by utilizing renewable energy.

3. How does the hybrid system switch between different power sources?

The system is equipped with anintelligent power management unitthat automatically prioritizes the most efficient power source. It first usessolar energywhen available, then switches togrid power or battery storage, and only activatesdiesel generatorswhen necessary, reducing fuel dependency.

4. Is this system suitable for off-grid or unreliable grid locations?

Yes. TheHybrid Telecom Power Systemis specifically designed foroff-grid and weak-grid telecom sites. It can operate independently usingsolar panels and battery storage, ensuring reliable power without depending on an unstable electrical grid.

5. How does the system help reduce fuel consumption and operational costs?

Maximizes solar energy usageto decrease generator runtime.
Advanced battery storageallows extended operation without fuel consumption.
Smart load managementoptimizes energy distribution to prevent waste.
Remote monitoring and controlreduce the need for on-site maintenance visits

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