Zhaofeng factory's customized 720W High-Efficiency On-Board Charger is a high-performance power conversion device designed for on-board battery charging. It converts AC power (85-265V) into stable DC power, intelligently adapts to lead-acid and lithium batteries, and provides safe and efficient charging for various electric vehicles and special operation vehicles. With compact structure and strong environmental adaptability, it is an essential core accessory for ensuring continuous operation of on-board electrical systems.
| Input Voltage | 100-266Vac | |||||||||
| Mains Frequency | 50Hz-61Hz | |||||||||
| Output Voltage (DC) | 48V | |||||||||
| Output Current | 0-15A | |||||||||
| Maximum Efficiency | ≥92% | |||||||||
| Product Power | 720W | |||||||||
| Communication Method | CAN2.0 | |||||||||
| Protection Level | IP67 | |||||||||
| Compatible Battery Types | Lead-acid batteries, lithium batteries | |||||||||
| Heat Dissipation Method | Air-cooled | |||||||||
| Item | Min | Typ | Max | Unit | Remarks |
| Environmental Strength | |||||
| Operating Temperature | -40 | \ | 70 | ℃ | \ |
| Storage Temperature | -40 | \ | 80 | ℃ | \ |
| Altitude | \ | \ | 4000 | m | \ |
| Humidity | 0 | \ | 95 | %RH | No water condensation |
| Atmospheric Pressure | 57 | \ | 101 | kPa | \ |
| Salt Spray (Continuous Atomization Time) | \ | \ | 96 | h | GB/T 2423.18-2012 |
| Mechanical Strength | |||||
| Vibration (Amplitude) | \ | \ | 0.508 | mm | 10~60Hz, amplitude 0.508mm |
| Drop (Height) | \ | \ | 0.76 | m | GB/T 2423.8-1995 |
| Shock (Acceleration) | \ | \ | 30/11 | m/s² | GB/T 2423.5 |
| Dust Resistance (IP Rating) | \ | \ | 6 | \ | GB/T 4208-2017 |
| Water Resistance (IP Rating) | \ | \ | 7 | \ | GB/T 4208-2017 |
| Electrical Environment | |||||
| Mains Voltage (~) | 85 | 220 | 265 | V | \ |
| Mains Frequency | 45 | 50 | 60 | Hz | \ |
| Traction Battery Voltage | 70 | 0 | 95 | V | \ |
This 720W High-Efficiency On-Board Charger adopts LLC topology and PFC power factor correction technology, with conversion efficiency up to 95%, which is 3-5% higher than industry average, effectively reducing energy loss and heat generation during charging; equipped with IP67 dustproof and waterproof housing, it can withstand harsh working environments such as dust, rain and salt fog, suitable for outdoor operation vehicles like cleaning cars and sightseeing cars; its lightweight design (only 4.5kg) and compact size (180×200×103mm) save installation space, facilitating flexible installation on electric motorcycles and golf carts with limited space; the built-in intelligent battery temperature sensing and CAN bus communication function can adjust charging parameters in real time, avoiding overcharging and overheating, extending battery service life by 20%, and ensuring fast and stable charging for airport shuttle buses with high-frequency operation demands, significantly improving operation efficiency.
The product has obtained authoritative certifications at home and abroad, including CCC (China Compulsory Certification), CE (European Union), UL (United States), and EN50498. It complies with NB/T33001-2025 and GB31241-2014 standards, ensuring electrical safety and electromagnetic compatibility. We possess a modern production base and adopt a flame-retardant ABS+PC composite material housing with a V0 rating and FR-4 fiberglass PCB boards. Key solder joints are processed using wave soldering technology and have passed rigorous tests such as 5,000 insertion/extraction cycles, vibration resistance, and salt spray corrosion resistance. Every unit undergoes a 72-hour full-load aging test before leaving the factory, achieving a 100% qualification rate. We have established a comprehensive quality control system that enables full traceability from raw material procurement to finished product delivery.

We provide one-on-one installation guidance services, equipped with detailed graphic manuals and operation videos to assist customers in quickly completing installation and commissioning. We offer 7×24-hour technical consultation with a response time of no more than 2 hours, and our on-site maintenance services cover major domestic cities and key overseas regions. The product comes with a 2-year warranty; free repair or replacement of parts is available for non-human damage during the warranty period. We also provide lifelong technical support and conduct regular follow-ups on customer usage to ensure the long-term stable operation of the product.
"Compared with similar products on the market, our 720W High-Efficiency On-Board Charger in stock achieves a 3–5% higher conversion efficiency, resulting in lower energy consumption. It features an IP67 protection rating, enabling reliable operation in harsh environments, whereas many competitors only offer IP54. The charger supports CAN bus intelligent communication and battery temperature sensing, functions that are not available on some competing products, allowing for precise charging protection. With strong in-house R&D capabilities, we provide customized solutions for voltage, interfaces, and other specifications. As a direct factory supplier, we eliminate intermediate links, offering bulk purchase prices that are 10–15% lower than industry averages. Our in-stock availability ensures fast delivery, effectively meeting customers’urgent procurement needs.
Our packaging combines pearl cotton padding with a sturdy outer carton for double-layer protection. Measuring 25×22×15 cm per unit, it effectively absorbs shocks and vibrations during transit. For bulk purchases, we use plywood pallets suitable for sea, air, and land freight. We partner with leading logistics providers like DHL, FedEx, and Sinotrans to ensure reliable global delivery. Domestic orders are shipped via SF Express by default for fast arrival. Additionally, we provide real-time logistics tracking, so you can monitor your shipment's status every step of the way.