Agriculture
December 27, 2023
AEST Agricultural Waste Charcoal Briquettes
Read SolutionImplemented by
Appropriate Energy Saving Technologies Limited (AEST)
Updated on February 13, 2024
·Created on September 15, 2020
The RainMaker 2 is a submersible irrigation pump that can be powered with a solar battery.
The RainMaker is a submersible irrigation pump designed by SunCulture that can pump water from a depth of 70 m and a flow rate of 50 L/min. The pump comes with a solar panel and a ClimateSmart Battery™ which can also be used to power lights, televisions, and phone chargers.
Target SDGs
SDG 7: Affordable and Clean Energy
Market Suggested Retail Price
$1,184.67
Market Suggested Retail Price (Secondary Currency)
125,900 KES
Target Users (Target Impact Group)
Household, Community
Distributors / Implementing Organizations
This product is implemented directly to consumers in Africa by SunCulture.
Competitive Landscape
Direct competitors include GF1 Submersible Solar Pump and Futurepump SF1 Solar Pump.
Manufacturing/Building Method
Unknown
Intellectural Property Type
Trade Secret
User Provision Model
Consumers can purchase this product by contacting SunCulture or visiting a regional office in Kenya.
Distributions to Date Status
Unknown
Pump type
Solar submersible pump
Irrigation capacity (acre)
1 acre
Maximum flow rate (L/min)
50 L/min
Maximum lift/head (m)
70 m
Required pressure (MPa)
0.686 MPa
Maximum distance from water source (m)
100 m
Power source
Motorized
Power requirement: Max power (W)
200 W
Power requirement: Max motor current (A)
8 A
Power requirement: Voltage range (V)
24 – 34 V
Design Specifications
The Rainmaker 2 comes with several components: a submersible irrigation pump, a 300 W roof-mounted solar panel, 100 m of 25 mm PN10 PE pipe, four sprinklers with fittings, 50 m of electrical cable, four 600 lumen LEd lightbulbs with a 5 m cable and switch, and a ClimateSmart™ system which includes a lithium-ion battery and MPPT charging controller. The ClimateSmart™ system collects power from the solar panel, allowing the user to use the power for the irrigation pump and the lights or other electronics.
Technical Support
Technical support is provided by SunCulture through their website or through their regional offices in Kenya.
Replacement Components
SunCulture provides after-sales support
Lifecycle
This product includes a 3-year warranty and has an expected lifetime of 10 years
Manufacturer Specified Performance Parameters
The designer specifies that the irrigation pump can pump up to 2500 L of water an hour from a water source up to 70 m deep.
Vetted Performance Status
Testing performed by The Impact Programme found the RainMaker 2 saved customers time and money over traditional diesel pumps and manual irrigation methods, and that almost half of the customers reported an increase in farm yields and income.
Safety
Potential hazards related to this product include electric shock, risk of fire, and physical injury due to equipment failure.
Complementary Technical Systems
SunCulture sells add-on technology such as a drip irrigation kit and a television. They also sell a version of the RainMaker 2 called ClimateSmart Direct™ which does not come with a battery or lights and has a smaller pumping capacity.
Academic Research and References
Merrey, D. J. and Langan, S., 2014, Review Paper on ‘Garden Kits’ in Africa: Lessons Learned and the Potential of Improved Water Management, IWMI Working Paper No. 162.
Michaelowa, A., Köhler, M., Friedmann, V., Tkacik, J., and Dransfeld, B., 2016, IMPAQT Case Study.
“RainMaker2 with ClimateSmartTM Battery,” SunCulture, 05-Mar-2022. Available: https://sunculture.io/rainmaker2-with-climatesmart-battery/
“Goal 2,” Sdgs.un.org. Available: https://sdgs.un.org/goals/goal2
“SunCulture – Experience the Power of the Sun,” SunCulture, 03-Nov-2020. Available: https://sunculture.io/#1574149801377-3f83cdf1-bf1a
Engineeringforchange.org. Available: https://www.engineeringforchange.org/wp-content/uploads/2020/06/ClimateSmart-Solar-Energy-System-Datasheet-1.pdf
“SunCulture Drip Irrigation Kit,” Engineering For Change, 18-Aug-2016. Available: https://www.engineeringforchange.org/solutions/product/sunculture-drip-irrigation-kit/
“Homepage,” Iec.ch. Available: https://www.iec.ch/homepage
Compliance with regulations
This product meets the testing certifications IEC 60335-1, IEC 60335-2-41, and ISO 9001:2015.
Evaluation methods
This product has been tested for electrical and water suction safety by the International Electrotechnical Comission and has been certified for quality by the International Organization for Standardization.
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