High-Reliability Power Solutions

AC/DC Battery Chargers

Engineered for mission-critical industrial, railway, e-mobility, and energy infrastructure applications with advanced battery management and robust telemetry interfaces.

  • Wide AC Input Range (Single-Phase & 3-Phase)
  • Compatible with LiFePO4, Lead-Acid & NiCd Chemistries
  • IoT & Industrial Communication (CANbus, Ethernet, Modbus)
  • EN 50155, IEC 61010 & ISO 9001 Certified Quality
Product Catalog

Standard & Modular AC/DC Battery Charger Platforms

Explore our heavy-duty chargers and smart DC UPS units designed for continuous operation under severe electrical, thermal, and environmental stress.

50 kW Three-Phase Charger Module BDS-50K
50 kW Charger Module

50 kW Three-Phase Charger Module (BDS-50K)

High-power battery charging module engineered for fast-charging stations, marine energy systems, microgrids, and heavy industrial battery banks.

Model CodeBDS-50K
Power Rating50 kW
Input Voltage260 – 530 Vac (3-Phase)
Output Voltage150 – 1000 Vdc (800 Vdc Rated)
CoolingForced Air Cooling
ApplicationsEnergy, Marine, Industrial, Rail
30kW Bidirectional AC/DC Power Module BBC-30K
30 kW Bidirectional Module

30kW Bidirectional AC/DC Power Module (BBC-30K)

Advanced bidirectional inverter and charger module supporting vehicle-to-grid (V2G), energy storage, and regenerative power applications.

Model CodeBBC-30K
Power Rating30 kW
Input Voltage180 – 460 Vac
Output Voltage150 – 1000 Vdc
CoolingInternal Forced Air
ApplicationsSmart Grids, Storage, Industrial
40 kW High-Voltage Isolated DC/DC Module CPM-40K
40 kW High-Voltage Module

40 kW HV Isolated DC/DC Converter Module (CPM-40K)

Galvanically isolated high-voltage converter for advanced battery management systems and industrial DC distribution networks.

Model CodeCPM-40K
Power Rating40 kW
Input Voltage200 – 900 Vdc
Output Voltage150 – 1000 Vdc
CoolingForced Air Cooling
ApplicationsEV Charging, High-Tech Power
DC UPS with Ethernet EDT-200
Smart DC UPS

DC UPS with Ethernet & Multi-Output (EDT-200)

Intelligent DC UPS unit for LiFePO₄ and lead-acid batteries featuring dual 48V outputs and single 12V output with native Ethernet communication.

Model CodeEDT-200
Power Rating200 W (400 W Peak 10s)
Input Voltage88 – 265 Vac Wide Input
Output Voltage9.6 – 15 V / 48 Vdc
CoolingNatural Convection
ApplicationsTelecom, Security, Industrial IoT
DC UPS EPD-500 with Ethernet
500 W High-Isolation UPS

500W High-Isolation DC UPS System (EPD-500)

Compact smart charger with Ethernet monitoring and two outputs isolated up to 10 kV for harsh electrical environments.

Model CodeEPD-500
Power Rating500 W (700 W Peak 10s)
Input Voltage184 – 264 Vac
Output Voltage39 – 60 Vdc Adjustable
CoolingNatural Convection
ApplicationsHigh Voltage Substations, Energy
Railway 3200W Battery Charger BDS-3200
Railway Certified

Railway 3200W Heavy-Duty Battery Charger (BDS-3200)

EN 50155-compliant 3.2 kW auxiliary battery charger built to withstand mechanical vibration, thermal shocks, and rolling stock transients.

Model CodeBDS-3200
Power Rating3200 W
Input Voltage360 – 440 Vac (3-Phase)
Output Voltage27 – 30 Vdc
CoolingForced Ventilation
ApplicationsRolling Stock, Transit Systems
Engineering Excellence

Why Global Procurement Teams Choose Premium PSU Chargers

Our battery conversion systems are built around four core design pillars: extreme electrical protection, adaptive charging algorithms, multi-protocol communication, and thermal endurance.

Smart Battery Management & Chemistries

Industrial battery assets represent a major operational investment. Premium PSU chargers feature adjustable voltage/current thresholds and multi-stage profile algorithms (Bulk, Absorption, Float, Equalization) tailored to diverse battery technologies:

  • Lithium-Ion & LiFePO4: Integrated CANbus messaging for direct handshake with Battery Management Systems (BMS).
  • Sealed Lead-Acid & VRLA: Temperature-compensated charging to prevent thermal runaway and extend service life.
  • Nickel-Cadmium (NiCd): High-voltage capability suited for utility substations and critical emergency back-up infrastructure.

Industry 4.0 & Remote Supervision

Modern power plants, railways, and data centers demand immediate operational insight. Premium PSU smart battery chargers and DC UPS platforms deliver full digital connectivity without external transceivers:

  • Native Ethernet Protocols: Web server management, SNMP traps, and Modbus TCP/IP streaming.
  • Predictive Maintenance Data: Continuous monitoring of internal temperature, ripple voltage, line health, and discharge history.
  • Dry Contact Alarm Relays: Form-C fail-safe relay outputs for AC loss, low battery, charger fault, and overtemperature.
Proven Reliability

Standards Compliance & Environmental Testing

Operating in extreme environments demands verified compliance. Every Premium PSU product undergoes comprehensive testing in our Barcelona laboratory to eliminate field failures and minimize maintenance overhead.

  • EN 50155 & EN 50121-3-2: Full rolling-stock compliance covering EMC, input voltage dips, surges, and electrical insulation coordination.
  • EN 45545-2 Fire & Smoke: Certified materials for internal cabling, PCB resins, and enclosure components.
  • EN 61373 Shock & Vibration: Category 1 Class B structural robustness for vehicle-mounted installations.
  • IEC 61010-1 & IEC 62368-1: Safety standards for electrical equipment for measurement, control, and laboratory use.
  • 20+ Year Lifecycle Management: Component obsolescence tracking and long-term repair support for mission-critical fleets.
Premium PSU Power Conversion System Testing and Manufacturing
Buyer & Engineer FAQ

Frequently Asked Questions

Technical details for procurement managers, systems integrators, and electrical design engineers.

What power range do Premium PSU AC/DC battery chargers cover?
Our standard single-unit battery chargers cover 120 W to 50 kW. For high-capacity requirements, units can be connected in parallel or integrated into 19-inch rack systems with active current sharing and N+1 redundancy.
What battery chemistries can be charged using these systems?
Our chargers support Lithium Iron Phosphate (LiFePO4), Sealed Lead-Acid (AGM/Gel), VRLA, and Nickel-Cadmium (NiCd). Charging parameters such as bulk voltage, float voltage, and cutoff current can be configured via software or hardware selection.
Are custom output voltage ranges and enclosure designs available?
Yes. Over 70% of our production involves customized or modified platforms. We can engineer tailored mechanical enclosures (chassis, DIN rail, 19-inch rack, open-frame, IP65 sealed) and dedicated voltage curves tailored to your application.
What lead times apply for prototyping and volume manufacturing?
Standard off-the-shelf samples ship within days. Modified standard units take 2 to 6 weeks, while ground-up custom OEM projects typically range from 16 to 24 weeks including type testing and initial production approval.

Need a Custom Battery Charger or Technical Data?

Speak directly with our power engineering team in Barcelona. We will evaluate your input range, battery specs, thermal requirements, and compliance standards.

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