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A solar energy-powered water purification box for rural communities in developing countries

May 2019
Gallery OffGridBox 1
Gallery OffGridBox 1


OffGridBox is a rugged, mobile and modular unit that can provide clean water and solar energy to anyone, anywhere. Solar panels (3kWp) on the top and a water purification system are integrated into one system.

The stand-alone solution proves two services: access to electricity and clean water. One unit, placed near the village's water collection source provides around 400 families each with 20 liters of purified water and the recharge of a 40Wh battery pack, for $0.18 per recharge.The solar array on top can fast-charge (appr. 3 hrs) up to 300 individual battery packs which are brought back and forth by customers to recharge. The battery pack has a nominal capacity of about 10.000 mAh. The battery pack provides Tier 1 electricity, i.e. 3 LED lamps for 4 hours. Alternatively, the clients can use part of the electricity in the battery pack to charge their phone or a head light, play a radio, or even charge a hair cutter if they want to set up a barber shop or similar small business. The existing contaminated water is pumped or poured into the OffGridBox, the solar energy powered water purification system purifies the water and kills 99% of all bacteria. The modular unit can (and has been) equipped with desalination systems if the setting requires this process. This centralized unit can serve whole communities.

  • /
Label Date May 9, 2019
From United States
Maturity stage Initial market commercialization
Looking For Grants, patient capital, impact investment, visibility, partners, mentorship

The environmental benefits

  • Operational within 3 hours of set up (may also be relocated).
  • 100% reduction of CO2 emissions and particles or fumes related to energy production using diesel, kerosine, wood fires etc.

The Financial benefits

  • For 400 households, a recharge of battery packs at $0.18/recharge at 2-3 times/week generates $10 000 in gross annual revenue.

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile


We bring solar power and clean water to anyone, anywhere.

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Headquarters Cambridge, MA 02138, USA

Networking Partner

Hello Tomorrow

Hello Tomorrow is global non-profit on a mission to unlock the potential of deep tech to solve the world's toughest challenges, by promoting, empowering & connecting deeptech entrepreneurs across the globe with the right enablers

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Solutions Associated 31
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator OffGridBox has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.