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1. Q: Why develop a water hose storage cart?

A: During park visits, we observed that gardeners spent nearly 10 minutes just unrolling a 20-meter water hose to water the lawn. Sometimes, the hose would leak due to tangling or knotting, requiring frequent water supply interruption for repairs. Additionally, kinks in the hose significantly reduce water flow. Moreover, storing and moving the hose after watering is extremely inconvenient.

Attached: Two videos (001 and 002) showing hose knotting

2. Q: What specific factors affect the efficiency of watering operations?

A: First, unrolling the hose takes a long time, and most of the time, many knots need to be untied. Second, kinks narrow the hose, drastically reducing water flow (sometimes to only a fraction of the original), leading to longer watering times. Third, storing the hose after watering: proper storage takes even longer than unrolling, while haphazard storage causes knotting, creating more hazards for next use.

3. Q: Why can using a storage cart improve operational efficiency?

A: First, unrolling the hose: pulling the cart while unrolling allows for extremely fast deployment. Second, using thick-walled rubber hoses stored in an orderly coiled manner inside the cart completely eliminates the risk of tangling/knotting during storage, ensuring full water flow during watering. Third, after watering, pulling the cart while retracting the hose saves time and effort. Fourth, the two-wheel structure enables quick and easy mobility.

4. Q: Does the water flow rate change when watering with the storage cart?

A: Due to the use of thick-walled pressure-resistant rubber hoses, internal tests show no detectable difference in water flow rate between watering with the cart and directly from a faucet.

5. Q: Is it problematic if the storage cart gets rained on outdoors?

A: The storage cart is designed to be waterproof overall. The power switch, display panel, and even the charging port are all waterproof. It can be stored and operated in the rain without issues. However, do not spray water into the electrical box beneath the buttons or open the top cover to expose electrical components to rain, as this will damage the electronic circuits.

6. Q: Does the storage cart have a pressurization function?

A: The storage cart does not have a pressurization function. Watering relies on the water pressure of the supply pipeline itself. All usage conditions require the water source pipeline to have a certain level of water pressure.

7. Q: How long can the storage cart be used on a single charge?

A: In internal tests, it can continuously retract and deploy the hose for approximately 4 hours. In actual watering operations, the time spent retracting/deploying the hose accounts for only a fraction of total usage time. Based on this, it is estimated that for regular greening use, it can last 3 to 7 days.

8. Q: How to choose between lead-acid batteries and lithium batteries?

A: Simply put, lead-acid batteries offer high safety but are heavy. Lithium batteries are lightweight but less safe compared to lead-acid batteries. If outdoor charging and storage conditions are available, lithium batteries can be selected. If charging or storage must be indoors, lead-acid batteries are mandatory.

9. Q: The storage cart has a 50-meter main hose, so why is the watering range 60 meters?

A: The main hose of the storage cart is 50 meters, but the outlet hose is 5 meters, and under normal water pressure, the sprinkler head can spray up to about 8 meters. Therefore, the total irrigation range can indeed reach 60 meters.