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Farm Equipment & Implements

Battery Sprayer Pump: Features, Maintenance and Subsidy

A battery sprayer pump is a backpack agricultural spraying machine powered by a rechargeable 12-volt battery and an electric diaphragm motor. Widely replacing traditional manual hand-lever sprayers, it delivers continuous, uniform spray pressure without operator pumping fatigue, significantly increasing daily field spraying productivity.

Last reviewed: 10 November 2026

Technical components and specifications

  • Tank capacity: 12 to 18 litre chemical-resistant polypropylene or HDPE tank with calibrated volume markers.
  • Battery options: 12V 8Ah or 12Ah sealed lead-acid (SLA) or lightweight lithium-ion batteries delivering 4 to 8 hours of continuous spraying per charge.
  • Motor and regulator: 12V DC micro-diaphragm pump with pressure regulator knob adjusting output from 40 to 90 PSI.
  • Nozzle attachments: Multi-head kits including hollow cone, fan nozzle, floodjet, and adjustable brass spray wands.

Agronomic benefits over manual sprayers

Consistent pressure delivers uniform droplet size, preventing localized pesticide overdose and foliage scorching. Eliminating continuous manual pumping allows the operator to focus entirely on directing the spray lance, cutting labor time per acre in half.

Battery care and government subsidies

Always recharge the battery immediately after use, and recharge at least once a month during off-season storage to prevent deep discharge sulfation. Capital subsidies for approved battery sprayers are available under the Sub-Mission on Agricultural Mechanization (SMAM) through state agriculture departments.

Official source

Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.

Sub-Mission on Agricultural Mechanization (SMAM) ↗

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Common questions

How long does a battery sprayer pump run on a single charge?

A standard 12V 12Ah battery delivers approximately 5 to 8 hours of continuous spraying, covering 15 to 25 tanks per full charge.

What is the advantage of lithium-ion over lead-acid battery sprayers?

Lithium-ion models are significantly lighter in weight, charge faster, and offer longer overall battery life cycles.

Where can farmers apply for subsidies on battery sprayers?

Eligible farmers can apply for farm machinery subsidies through the central SMAM portal (agrimachinery.nic.in).

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

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