Rechargeable Lithium Battery
2.6÷4 Ah - 21V
Capacity 15 L - 3÷5 bar
Stocker Ergo 250 is a 15 L electric backpack sprayer , designed to offer high performance in intensive treatments on olive groves , orchards and large green areas . Thanks to its compatibility with Power 21V 2.5 Ah and 4.0 Ah batteries , and its two-level pressure adjustment (3 or 5 bar) , this pump stands out for its versatility , autonomy and comfort of use . Its ergonomic padded backrest ensures optimal weight distribution, while the FPM seals make it perfect even for use with aggressive chemical products .

Battery and charger available separately
The pump is equipped with a selectable dual pressure system (3 or 5 bar), ideal for adapting the nebulization flow based on the type of treatment being performed. The level is selected via the easily accessible power button .
With a 15L tank , this pump is suitable for extended work without the need for frequent refills. The high capacity is ideal for covering large areas in a short time.

The ergonomic backpack is designed for comfortable carrying on the shoulders , thanks to the padded shoulder straps , breathable materials, and adjustable chest and hip straps . This system ensures stability and comfort even during long work sessions.
The FPM (fluoroelastomer) seals are highly resistant and make this pump suitable for use with aggressive chemicals , increasing safety and durability over time.
The pump is supplied with a complete set of accessories: fiberglass lance , aluminum lance , 190 cm delivery hose , measuring cup , nozzle set and backpack with padded back . Each component is designed to offer efficiency and operational convenience.
| Power Supply | 21V battery |
| Power | 24 W |
| Reservoir | 15 L |
| Pressure | 3÷5 bar |
| Water Flow | 1.5÷2.9 L/min |
| Autonomy | 200 min |
| Spear Length | 68 cm |
| Tube Length | 190 cm |
| Inner Tube Diameter | Ø 6.4 mm |
| Outer Tube Diameter | Ø 11.2 mm |
| Gaskets | FPM |
| Drums | OPTIONAL |
| Battery charger | OPTIONAL |
| Dimensions | 25 x 32.5 x 53 cm |
| Weight | 3.4 kg |
| Power Supply | 21V battery |
| Power | 24 W |
| Reservoir | 15 L |
| Pressure | 3÷5 bar |
| Water Flow | 1.5÷2.9 L/min |
| Autonomy | 200 min |
| Spear Length | 68 cm |
| Tube Length | 190 cm |
| Inner Tube Diameter | Ø 6.4 mm |
| Outer Tube Diameter | Ø 11.2 mm |
| Gaskets | FPM |
| Drums | OPTIONAL |
| Battery charger | OPTIONAL |
| Dimensions | 25 x 32.5 x 53 cm |
| Weight | 3.4 kg |
Our workshop is able to guarantee efficient and professional repairs: speed; of intervention, competence and availability are our strengths.
By purchasing from Indors you will also have purchased peace of mind: our Assistance and Repairs Service guarantees quick and timely solutions for any problem thanks to the safe availability; of spare parts, your equipment will always be efficient and available within a few days at a low cost. More information
All products sold by Indors are covered by a legal guarantee of 2 years from the date
of purchase for purchases by individuals (12 months for professional users) for lack of conformity,
pursuant to art. 128 ff. Legislative Decree no. 206/2005.
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