Rectifiers & Energy Storage 

Delta - Telecom Infrastructure Solutions

Reliable. Efficient. Scalable.

Powering the World’s Digital Infrastructure Global Innovation, Local Expertise

Delta Electronics is a global leader in power and thermal management solutions. Since 1971, they’ve driven progress in power electronics, automation, and ICT infrastructure—enabling a smarter, greener tomorrow.

Our Environmental Achievements:

  • 183,000+ tons of CO₂ emissions avoided (2019–2021)

  • Over 18 million trees’ worth of CO₂ absorbed

  • ISO 14064-1, ISO 14001, and DNV-certified sustainability systems

Delta’s telecom power solutions are engineered for maximum energy efficiency and durability across mobile, fixed-line, and broadband networks. Whether you're deploying in a dense urban center or a remote rural site, our modular AC/DC systems, lithium-ion battery solutions, and integrated controllers keep your network online and optimized.

Key Offerings:

  • Modular CellD & CabD systems (20A to 768kW)

  • EnergE & Flatpack rectifiers with >98% efficiency

  • RenE hybrid solar systems for off-grid or unreliable grid regions

  • Smartpack2 and ORION controllers for remote management

  • Lithium-ion batteries with advanced BMS

Industry-leading power density, field-proven reliability, and intelligent control systems—designed in Europe, trusted worldwide.

Data Center Infrastructure Solutions

From the Core to the Edge

Delta designs and manufactures highly scalable power and cooling systems for edge, enterprise, and hyperscale data centers. Our modular architecture allows rapid deployment, optimized footprint, and reduced TCO—without compromising uptime or performance.

Solutions Include:

  • Modular UPS (up to 1.2MW), HVDC & 48V systems

  • Xubus POD, Micro & Edge Data Center platforms

  • Precision cooling: RowCool, Rear Door, Fan Wall

  • Busway & Rack Power Distribution Units (rPDUs)

  • Integrated DCIM for power, cooling & asset monitoring

More than 1800MW deployed across the globe—Delta is a recognized leader among the world’s top 7 data center power vendors.

Green, Smart & Sustainable

Delta is committed to reducing global energy consumption. Between 2010 and 2022, our solutions helped save over 31 billion kWh in electricity—equivalent to powering 3.2 million households for a year. As a RE100 Gold member and consistent CDP Climate Leader, sustainability is embedded in our technology, operations, and global strategy.

Energy Storage

Freedom Won Lithium-Ion Energy Storage Systems

High-Performance LiFePO₄ Batteries for Demanding Applications

Freedom Won’s range of lithium iron phosphate (LiFePO₄) batteries are engineered for maximum performance, system flexibility, and long-term reliability across residential, commercial, and industrial energy storage projects. These batteries are fully compatible with hybrid, grid-tied, and off-grid systems, and are optimized for seamless integration with most Tier 1 inverter platforms.

Technical Highlights

  • Cell Chemistry: Lithium Iron Phosphate (LiFePO₄) – superior thermal stability, safety, and cycle life

  • Cycle Life: Up to 10,000 cycles at 80% DOD (Depth of Discharge), depending on model and application

  • Round-Trip Efficiency: 96–98% under typical conditions

  • Operating Voltage: Nominal 48V, 120V, 192V, 384V, 512V, and custom options up to 800VDC

  • Continuous Discharge Capability: From 5kW to 500kW+ depending on configuration

  • Scalability: Parallel stackable systems for multi-MWh installations

  • BMS: Integrated advanced Battery Management System with CAN/RS485 support for closed-loop communication with Victron, SMA, Sunsynk, GoodWe, Fronius, and others

  • Thermal Management: Passive design with built-in thermal protection, plus optional active cooling for high-load applications

  • Enclosure Options: Wall-mount, rack-mount, or custom IP-rated enclosures for indoor/outdoor deployments

Application Sectors

  • Residential & C&I PV Storage: Time-of-use optimization, peak shaving, load shifting

  • Telecom & Remote Sites: Reliable backup in harsh conditions with low self-discharge and zero maintenance

  • Utility & Grid Support: Load balancing, grid stabilization, spinning reserve

  • Microgrid & Islanded Systems: Full autonomy with generator and solar integration

  • Mobile & Transport: Modular battery systems for EVs, marine, and mobile generator applications

System Integration & Communication

Freedom Won batteries feature full closed-loop communication protocols and API access for custom integration. The onboard BMS supports CANBus and RS485 for real-time monitoring, protection, and control. Configurable parameters include charge/discharge limits, SOC thresholds, and fault reporting.

Compliance & Certifications

  • UN 38.3 transport certification

  • CE and IEC 62619 / 61000 compliance

  • Local manufacturing and warranty support in South Africa

  • Compatible with NRS097-2-1 inverter configurations and Eskom embedded generation policies

Future-Proof Lithium Storage

From 5kWh to multi-MWh deployments, Freedom Won delivers a modular, intelligent, and robust energy storage solution that meets the needs of modern energy systems and critical power applications.

  • Coming Soon…