DIY battery sprayer.

DIY battery sprayer.
Operating principle: The solution from the canister is supplied by a small-sized submersible water pump through a hose along a rod to the sprinkler nozzle.
Compound:
1. Small-sized submersible water pump 19W. 12th century - 320rub.9
2. Brass sprinkler nozzle - 58 rub.
3. Low pressure hose 3m external. Dia 9mm int. Diam. 6mm. -140 RUR.
4. Canister with a wide neck 10 l - 150 rubles.
5. Rod - aluminum pipe dia 12mm 1m - 68 rubles.
6. Battery from a 12V screwdriver. 1.2 Ah - 2.4A/H
How to make (see photo). A small-sized submersible pump is installed inside the tank. Works quietly. The pressure is good. If the trees are tall, the boom is 2-3 m. In this case, the pressure practically does not change. I carry the battery in my jacket pocket.
You can also attach it to a sprayer.
Advantages: Reliable, lightweight, easy to manufacture and operate, inexpensive, stable and good spray, use a battery from a screwdriver or purchase
Attention. If you have a backpack pump sprayer, for example “Zhuk”, using it, you can make a battery sprayer even cheaper (350 rubles).

Valery. Kaliningrad. Russia.

It is better to take a regular sprayer with a pump that builds up pressure inside the tank. Its design is simple and it lasts quite a long time, but not every gardener will like carrying the battery in his pocket and connecting it with long wires to the sprayer.