How much energy is needed?
Calculate average W × operating hours.
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Rent a power station in Haarlem for a presentation, light setup or music without a power outlet? Compare portable power sources on power, battery capacity and rental period. For your event in the Haarlem city centre or another district, choose the power supply from the actual equipment and operating hours.
Choose equipment for your event
Calculate average W × operating hours.
Check continuous and power-in.
Take loss, backup, and loading plan.
Check compatibility and variable yield.
Choose a RIVER for comparison with a limited equipment selection. Check the exact power and operating hours; a compact reception point requires something other than a complete presentation.
Calculate the energy and duration of use
For the connection in Haarlem de Power cable hire in Haarlem.


Anker, Jackery and DELTA Max have different capacities. Add up the real consumers and decide which ones to keep on before comparing the performances for Haarlem.
Calculate the energy and duration of use
For the equipment selection in Haarlem you compare also Video equipment hire in Haarlem.



The loose DELTA Pro is part of a different comparison than a combination with expansion battery. View stored energy, continuous load and the complete feeding route separately.
Calculate the energy and duration of use
For your energy plan, check out the EcoFlow power station hire in Haarlem.

Compare the packages with main unit and additional battery trailers with the separate Extra Battery. An extension must fit the main unit and does not automatically increase the maximum output power.
Calculate the energy and duration of use
Use for your program in Haarlem the calculator on this page.



The specified panel power is not a fixed yield at your event. Please check the electrical compatibility of the panel and power station and include the connected parts in your selection.
Combine the power supply in Haarlem with suitable Lighting hire in Haarlem.





How long can this last?
512 Wh500 W continuous AC
For a fully loaded power station. Please choose an example or fill in the actual usage of your equipment.
Example consumptions, no model specifications. All times assume constant consumption, 15% loss of sales and 10% reserve. Actual consumption, temperature and converter consumption can change the outcome.
W is the electrical consumption, Wh is energy. Do not use the audio output power for speakers. Start-up peaks and maximum load per port are not calculated. In case of a solar beam, uncertain yield from sunlight is not included.
Read the comprehensive power guideThe comparison uses the nominal energy storage of the chosen version. With DELTA Pro with extra battery, the continuous power limit used remains 3600 W. A separate Extra Battery and a solar panel are not independent models in this calculator. Also check the maximum load per connection and the exact rental version.
A power station stores electrical energy in a battery and provides connections for suitable devices. This is usable in a place without reachable socket, or when a cable route is undesirable. Think of a temporary reception spot, a presentation outside or a modest lighting setup. The choice starts with the devices that really need to be turned on: only a laptop requires a different supply of energy than a screen, sound and lighting combined. Also check that the equipment in question can be used under the intended conditions.
Watt indicates the power of a device; watture describes a quantity of energy. A device using an average of 100 W requires about 400 Wh in four hours before conversion loss and reserve. Therefore, the entire declared battery capacity is not a guaranteed usable quantity at the output. In addition, check that the power station can handle the simultaneous power and any power input load. A large battery and a powerful converter are two different characteristics.
List all devices, their expected average consumption and the number of hours of use. Multiply per device W with hours and count the results. Take conversion loss and a work reserve with it. The calculator on our power station product page . Use visible assumptions to adjust the estimate. For an important program in Haarlem you plan a charging option or a spare device. Actual operating time depends, among other things, on load, settings, temperature and battery state.
Electronics with modest continuous consumption can justify a different choice than those that make a lot of heat. An electric heater or coffee maker often requires significantly more power than a laptop or small light source. Look at real power consumption and not the advertised audio power. For a garden party in Haarlem you can also compare a speaker with built-in battery: this does not necessarily require the music to come out of the external power supply.
Choose a stable location and follow the conditions of use of the chosen model for ventilation, environment and protection. Do not put a power station without control in rain or sand. Measure the cable route, keep passages free and use appropriate power distribution. For a temporary set-up in the Haarlem city centre, you can also discuss the route from loading and unloading. An additional battery or solar panel has its own dimensions, connections and conditions; include those parts in your transport and connection plan.

See the design, applications and connection of this particular product.
Read the rental guide
See the design, applications and connection of this particular product.
Read the rental guide
See the design, applications and connection of this particular product.
Read the rental guideTalk to us about your setup
Tell us what you are organizing in Haarlem or around the world. We will help you with the choice of equipment, a quote and the delivery appointment. Do you need anything last-minute? Please contact us to discuss the possibilities.
Send your plans or ask your question right away.
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Call usAnswer before you rent
Find answers about equipment choices, setup and rental arrangements.
Choose based on the simultaneous load, total energy needs and desired reserve. Then compare the concrete models and rental content, including any additional battery.
First, charge 100 × 4 = 400 Wh for the device. For the required battery capacity, conversion loss and an appropriate spare will be added.
No. Wh is energy and W is power. Check the permitted output power of the exact model and load the device separately.
Average consumption may differ from actual consumption. Settings, environment, battery state and conversion also affect the life of the user.
This depends on the actual current demand and the power drive. Not only do you use the audio power of the speakers as a calculation value; assess the full combination.
Yes, with appropriate applications, a battery speaker can provide the music without an external power source. Compare connections, desired viewing and life for your Haarlem event.
No. That number is not guaranteed yield at your location. Light, placement, conditions and the complete compatible connection are decisive.
Additional energy storage does not automatically increase the permissible power of the converter. Please check the capacity and output limits of the combination offered separately.
Follow the conditions of the specific model and rule suitable placement and protection. Do not accept water resistance based on the word outdoor or an atmosphere photo.
On the relevant power station product page... you can enter power and life. The result is an estimate with stated loss and reserve assumptions.
Check the rental content and the distance to the devices. A suitable power outlet on the power station does not automatically mean that all cables are included for your setup.
Pick-up can be made by appointment in Amsterdam Sloterdijk. Delivery to Haarlem and possible installation are possible; agree the complete selection and location in advance.
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Plan your event
Check out the versions, choose your rental period and make your selection. Please pass on the space and your program if you want advice about the combination or installation.
Check out the versions, choose your rental period and make your selection. Please pass on the space and your program if you want advice about the combination or installation.