Under the background of the widespread adoption of intelligent manufacturing and smart warehousing, electric forklifts and unmanned heavy-load AGV forklifts have become the core equipment for material transportation in factories, vertical warehouses, and logistics parks. Day-and-night shift operations and three-shift operations have become the norm. However, the vast majority of warehousing enterprises still use the wired charging solution with metal plugs and contact plates. In high-dust, oil-stained, outdoor rainy and snowy conditions, the charging problems continue to hinder the overall operational efficiency of forklifts, and increase maintenance and safety costs.

The three major industry problems of traditional wired charging:

1. High efficiency loss. The contact charging requires extremely high accuracy for docking alignment. Even a few millimeters of X/Y axis deviation will prevent charging. When multiple forklifts are operating simultaneously, the charging area often queues up for a long time. Manual/robot arm docking requires repeated adjustments, occupying transfer time. The overall utilization rate of forklift equipment in the industry is generally below 65%.

2. High operation and maintenance costs. The charging plates and plugs are constantly covered with dust and oil, and oxidation and corrosion occur frequently. The entire set needs to be replaced every 3-4 months. Cable dragging and wear, overheating and short circuit faults occur frequently. The annual expenditure on spare parts and manual cleaning exceeds 100,000 yuan.

3. Severe safety risks in scenarios. In chemical, grain, and powder processing warehouses, plugging and unplugging generate electric sparks, and there is a risk of dust and flammable gas explosion. In outdoor storage yards, wiring is prone to leakage in rainy and snowy weather. Wired charging cannot be adapted to the full unmanned warehouse dispatching system and requires dedicated personnel to operate.

To address the full series of 24V/48V/72V electric forklifts and heavy AGVs, WIRELESSPT has launched a multi-gradient high-power wireless charging solution with power ranging from 1500W to 6000W. The power covers the company's complete product matrix of 180W to 6000W. Taking the popular 4500W (50A) and 6000W (100A) models as examples, the full-load vertical working distance is 0-80mm. The X-axis allows a maximum 50mm offset and the Y-axis ±10mm. The forklift navigation's minor positioning error does not affect charging. The full-load transmission efficiency is ≥87%. It is equipped with CAN and 485 dual-channel communication, which can seamlessly connect with WMS warehouse dispatching, AGV cluster management systems, and supports two working modes: command start and proximity charging. It fully adapts to fully automated unmanned warehouses. The equipment has an IP67 fully sealed encapsulated shell, operates stably in a wide temperature range of -40℃ to +60℃, and can work stably in workshop oil pollution and outdoor rain and snow environments for a long time.

The five core advantages of the WIRELESSPT electric forklift's wireless charging system:

1. High fault tolerance charging, eliminating queue losses: The maximum X-axis offset of 50mm for full-load output, no need for precise parking, the forklift automatically enters the charging area during the task gap for fragmented charging, no need for dedicated downtime for charging, the equipment's overall utilization rate increases by more than 30%.

2. High-power, efficient, fast charging, energy efficiency comparable to wired: 6000W model rated output 100A, 4500W model output 50A, constant current and constant voltage charging management, maximum full-load efficiency 87%; built-in graded temperature control protection, starts automatic load reduction at 68℃, mandatory protection at 76℃, eliminating the risk of high-temperature fire, throughout no metal contact, no electric sparks.

3. Lightweight integrated installation, compatible with both new and old forklifts: The transmitter has a standardized shell of 300*300mm, the receiver 250*250mm, supporting embedded or surface-mounted installation on the vehicle body, no need to modify the vehicle's battery circuit; the cable is with shielded RVV wiring bundle， and Anderson aviation connectors are optional， the modification cycle is short， compatible with lead-acid and lithium-ion forklifts.

4. Cluster unmanned collaboration， warehousing full automation： 2.4G radio frequency synchronizes real-time charging voltage， current， temperature， and fault codes， the dispatching system automatically plans charging paths for low-battery forklifts， fully charged and departs autonomously， throughout zero manual intervention， multi-vehicle time-sharing intelligent balanced charging. Complete equipment fault codes， overcurrent， overvoltage， short circuit， under-temperature are uploaded in real time， remote operation and troubleshooting.

5. Zero long-term operation cost： No plugs， plates， cables， etc.， eliminating regular replacement， manual cleaning costs； equipment MTBF exceeds 50，000 hours， the entire machine has one-year warranty， large logistics parks can customize split-type high-power solutions， balancing budget and fast charging requirements.

A large-scale automotive parts vertical warehouse has implemented the WIRELESSPT4500W wireless charging system in batches. 28 heavy-duty electric forklifts can achieve uninterrupted and continuous circulation transportation, and the problem of charging queues has been completely resolved. Each year, the costs of replacing contacts and maintaining charging personnel have been saved by 120,000 yuan, and the safety warning of electric sparks in the workshop has been cleared. The outdoor raw material storage area can automatically replenish power in rainy and snowy weather without being affected by moisture, and it is also compatible with narrow-channel forklifts, four-way shuttle vehicles, and other special models.

Currently, the penetration rate of wireless charging in the warehousing industry is less than 10%. The core concerns mainly focus on power, alignment, and renovation costs. The WIRELESSPT hierarchical product solution perfectly suits enterprises of different scales: small and medium-sized warehouses choose the 1500W economic model, and large heavy-duty logistics centers are equipped with 4500W/6000W high-power fast-charging models. As a full-scenario industrial wireless charging supplier covering 300+ customers including AGVs, unmanned vehicles, mines, and livestock, WIRELESSPT continuously optimizes costs based on its large-scale production lines, while also considering performance and cost-effectiveness.

Under the impetus of Industry 4.0, unmanned warehouses operating 24/7 have become a standard feature in the industry. Wired contact charging will gradually be replaced by wireless solutions. WIRELESSPT is continuously iterating high-power and highly protective industrial wireless charging products, with stable parameters and mature implementation cases, to provide safe, efficient and cost-effective unmanned forklift charging solutions for global warehouse manufacturing enterprises.