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The product is based on updatig the brushless solar pump technology products, overcoming the shortcomings of hard start, low efficiency, poor stability of similar products and even easier to start than the same power brush pump.

Specification:
Solar panel power: 7V, 160MA
Solar panel size: 11*11cm
Brushless pump input: DC 4.5-10V
Max flow quantity of pump: 170L/H
Delivery head: 75cm
Maximum delivery head: 70cm
Cable lenght: about 320cm
Life time: ≥ 20000hours
Working time: 8:00am - 5: 00pm(on sunny day)
Delay: ≤3s
Color: Black
Net weight: 162g
Package size: 11.5*11.4*5.3cm
Package weight: 195g
Restart: if sunshine is off, can restart within 3 Seconds when sunshine is back.

Note:
Products for direct-drive solar-powered water pump, no external batteries, a high degree of water depends entirely on the strength of the sun, when the sunlight is weak, water pumps will not work continuously, once sunlight is stronger it will automatically continue to work.
Do not submerge solar panels and controllers into water even though it has weak waterproof structure, but not suitable for prolonged immersion in water.
The appearance of solar panel may show slight difference, but it doesn't affect the performance. Please in kind prevail.

Package Includes:
1 * Solar fountain
1 * Small parts for mounting
1 * User manual
  • Make use of solar energy, need no extra power, energy-saving and environmentally friendly.
  • Polycrystalline Silicon. High Quality.
  • Quick start. High efficiency.
  • Stable performance. Easy usage and operation.
  • Long service life.

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Anself Silicon Solar Fountain Water Brushless Pump Cycle Energy-saving 170L/H

  • Brand: Anself
  • Product Code: TNC7618007801254KX
  • Availability: In Stock


Dynamic Head

The effect of the Earths gravity on the "lift" or head pressure is fairly simple; for every vertical foot of distance the pump moves the water you are adding one foot of head pressure so the ratio is a 1:1 ratio. The effects of the friction, caused by water as it travels through your hose or pipes, on the total head pressure is a little more difficult to calculate especially as there are slight variations in pipe friction in different hose materials and the smoothness of the inner bore. Basically. for every ten feet of pipe through which the water has to travel travel horizontally will contribute 1 foot of head height; the ratio of the pipe friction loss is a 10:1 ratio.

Plumbing fixtures and bends and corners in your hose also increase the total head you must calculate to ensure the proper final volume from your pump. Every corner with a 90 degree elbow in your plumbing will add 1 foot of head pressure  with a 1:1 ratio. 45 degree elbows, tees and even insert couplers can all have an impact on the final flow.

If you install a pump 40 feet away from the top of your waterfall which is 6 feet above the pump and the tubing is a single run of 40 feet horizontally then you add 4 feet of head for the tubing length (the 10:1 ratio) to the 6 foot differnetial between the pump location and the final height of the waterfall so your final total dynamic head calculation would be 10 feet. This means your final volume of water flow in this water feature or application would be the volume of flow on the performance curve that equaled the gallons per hour at 16 feet. This volume will certainly be much less than the initial volume the pump can move at an open flow or a zero head.

If in the above example your 40 feet of horizontal tubing run also required 3 elbows of 90 degrees then an additional 3 feet of theoretical head would be added and your final flow result would be at 19 feet on the performance curve of the pump. In this example you would want to choose a pump that has the desired GPH rating at 9 feet of head pressure.  Tubing size is also an important factor in accounting for head pressure loss, in general you should never reduce the diameter of the tubing below what the output size of the pump is, this will drastically increase head pressure, and reduce pump performance.  For maximum pump performance, using the largest tubing that is practical is the best choice. A best practice is to use a hose with an inner diameter that is the same as your pumps outlet fitting.