Agriculture
January 20, 2024
ADRA Cold Climate Biodigester
Read SolutionImplemented by
Adventist Development and Relief Agency (ADRA)
Updated on January 27, 2024
·Created on September 2, 2021
Pico-solar lantern that can also charge small devices.
The Go 250 is a pico-solar lantern with a maximum output of 120 lumens, brightness control, and the ability to charge a mobile phone. Once fully charged by the sun, the lantern can run for 5 hours on its brightest setting, to 60 hours on its dimmest setting (three brightness settings in total). The lantern meets the requirements of the Lighting Global Minimum Quality Standards and is additionally certified by VeraSol, a leader in pico-solar products. It additionally comes with a 4 W plug-and-play solar panel to charge the device.
Target SDGs
SDG 7: Affordable and Clean Energy
Market Suggested Retail Price
$35.00
Target Users (Target Impact Group)
Household, Community
Distributors / Implementing Organizations
Barefoot Power
Competitive Landscape
Direct competitors include d.Light S30, Sun King Boom, Enviro SL36, and SM100.
Regions
Africa, South Pacific Ocean Area
Manufacturing/Building Method
Built by the manufacturer. PCB designed in-house, plastic molding used for the main unit, all assembled by Barefoot power. Interview with manufacturer
Intellectural Property Type
Trademark
User Provision Model
The user can buy the product from one of the country's distributors. Interview with manufacturer
Distributions to Date Status
35,000 units from 2019-2021. Interview with manufacturer
Lamp type
LED
Number of light points
1
Total light output (lumens)
120 lumens
Multiple brightness settings (yes/no)
Yes
Light duration on single charge (hr)
5-60 hrs
Mobile charging (yes/no)
Yes
Power source
Solar Panel
Battery type
LiFePO4
Peak power rating (Wp)
4.1 W
Battery capacity (kWh; mAh)
3.3 Ah
Battery nominal voltage (V)
3.2 V
User replaceable battery (yes/no)
No
User replaceable light (yes/no)
No
Design Specifications
The product has an onboard lithium-ion battery that is charged during the day through the sun by its included solar panel. The stored power is then used to illuminate the light as well as charge any small devices through a USB cable.
Technical Support
Contact Barefoot Power - info@barefootpower.com
Replacement Components
The manufacturer carries spare parts. Interview with manufacturer
Lifecycle
3-5 years. Interview with manufacturer
Manufacturer Specified Performance Parameters
The manufacturer specified performance targets include being portable, lighting a large area with bright light, the ability to charge devices, and is suitable for rural markets.
Vetted Performance Status
Performance metrics have been verified by VeraSol, the world’s largest pico-solar certifying organization.
Safety
Users must take reasonable precautions when charging the device.
Complementary Technical Systems
None
Academic Research and References
Compliance with regulations
Meets the Lighting Global Minimum Quality Standards
Evaluation methods
VeraSol evaluated this product for dimensions, power specs, system performance, and features.
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