Precision-engineered on board chargers designed for unmanned drones, electric aircraft, and aerospace power management systems — delivering reliability where it matters most.
The global aerospace industry is undergoing a profound electrification revolution. Driven by the rapid expansion of unmanned aerial vehicles (UAVs), electric vertical takeoff and landing (eVTOL) aircraft, hybrid-electric regional jets, and next-generation satellite platforms, the demand for high-performance on board chargers (OBCs) has never been greater. According to industry analysts, the global electric aviation market is projected to surpass USD 27 billion by 2030, with on board power management systems — including OBCs — representing one of the fastest-growing subsegments.
Unlike conventional automotive OBCs, aerospace-grade on board chargers must satisfy a far more demanding set of requirements: extreme temperature resilience (from -55°C to +125°C), high altitude derating, vibration and shock resistance, stringent EMI/EMC compliance, and ultra-high power density. These constraints drive manufacturers toward advanced wide-bandgap semiconductor topologies (GaN and SiC), digital control architectures, and highly integrated multi-function power modules.
Today, on board chargers for aerospace applications serve a diverse and rapidly growing commercial ecosystem:
The aerospace OBC landscape is being reshaped by several converging technology trends that demand close attention from procurement engineers and system integrators:
Scenario 1 — Autonomous Drone Delivery Hub: A logistics operator running 50 delivery drones from a single hub requires a fleet-level charging infrastructure. Each drone's on board charger (typically 1.5kW–6.6kW) must accept AC input from a standard ground power outlet, convert it to the precise DC voltage and current profile demanded by the battery pack, and communicate charge status via CAN bus or SMBus to the fleet management system. Huyssen Power's compact, high-density OBC modules are engineered for exactly this scenario — delivering fast, reliable charging in a form factor optimized for airborne weight constraints.
Scenario 2 — eVTOL Air Taxi Turnaround: An air taxi operator needs to turnaround a 5-seat eVTOL in under 8 minutes at a vertiport. The on board charger must accept 400V three-phase AC from a dedicated vertiport charging post and deliver 100kW+ to the high-voltage battery pack. This demands OBC designs with advanced thermal management, active power factor correction (PFC), and galvanic isolation rated to aerospace safety standards (DO-254, ARP4754A).
Scenario 3 — Military Reconnaissance UAV Forward Operating Base: In a field-deployed military scenario, a tactical UAV must be recharged from a portable generator or vehicle power outlet within 20 minutes. The OBC must tolerate wide input voltage variation (85V–265V AC), operate reliably from -40°C to +85°C, and produce zero conducted emissions that could compromise the unit's electromagnetic silence. Custom ruggedized OBC modules with conformal coating and hermetic sealing are essential.
Scenario 4 — Hybrid-Electric Regional Aircraft Ground Servicing: During gate turnaround, a 19-seat hybrid-electric commuter aircraft connects to a 50Hz or 400Hz ground power unit. The aircraft's on board charger must intelligently manage the transition from flight mode (generator-powered) to ground charging mode, balancing battery state-of-charge across multiple battery strings while communicating with the aircraft's central maintenance computer (CMC).
Wide-bandgap semiconductors push switching efficiency beyond 97%, enabling ultra-compact OBC designs that meet the strict weight budgets of aerospace platforms without sacrificing power output.
Advanced OBCs support two-way energy transfer — charging the battery from ground infrastructure while also enabling energy recovery and grid support, unlocking new operational economics for electric aviation.
Machine learning algorithms integrated with BMS and OBC firmware dynamically adapt charge profiles to battery health, temperature, and mission requirements — maximizing cycle life and safety margins.
Resonant inductive charging pads enable fully autonomous drone recharging at unmanned stations, eliminating connector wear and enabling 24/7 continuous aerial operations for surveillance and logistics.
Aerospace OBCs must pass rigorous environmental qualification including vibration, thermal shock, altitude, and EMI testing — ensuring zero-failure performance across the full aircraft service life.
Consolidating OBC, DC-DC converter, and PDU into a single module reduces system weight and wiring complexity — a critical advantage for every kilogram saved in aerospace design.







Established in 2011, Huyssen Power is committed to being a better provider of power solutions. Our production lines include AC-DC power supplies, Din Rail power supply, Programmable power supply, Battery chargers, DC-DC converters, and aerospace-grade on board chargers.
We have more than 1300+ models, widely used in various fields such as industry, Aeronautics and Astronautics, communication, healthcare, EV cars, consumer electronics, LED lightings, and more. With 14+ years of R&D experience, we deliver mission-critical power solutions for the most demanding aerospace applications.




All of our products are engineered to meet worldwide safety standards. Quality and process control is insured using a variety of statistical sampling and analysis techniques throughout the manufacturing cycle. In addition, all products should pass a rigorous burn-in and fully automated final test before shipment. We have two production bases, one is in Shenzhen and the other is in Dongguan, with timely delivery.

Furthermore, Huyssen Power also offers the design service in order to meet customers' special requirements. If you can't find a suitable model from our catalog, our experienced R&D team can design a custom-made power supply to meet your needs. With over 22 years of R&D design experience in the power supply industry, we offer a total solution for you and would like to become your long-term power partner.
Customization process of aerospace on board charger power supply:
Huyssen Power, with years of power supply experience and advanced production technology, is committed to providing global customers with one-stop OEM/ODM services from product design, research and development, production to delivery, helping you easily expand your market and solve your personalized product needs.







If you are interested in developing new products and want to create your own aerospace power supplies, we provide a one-stop solution from product concept, design, research and development to production.
If you have mature product designs, technical specifications, or existing samples, that's great. We can provide efficient and high-quality OEM production services.
Strong R&D team: We have a professional technical team with 15 years of experience in the power supplies industry.

Advanced production equipment and technology

Strict quality control system

Flexible customization capability

Fast response and efficient delivery

Professional services and ongoing support
Explore our full range of on board chargers and power supply solutions engineered for aerospace, UAV, and advanced aviation applications.