
This isn't just a product
IT'S A SOCIAL MOVEMENT
SALt Lamp 2.0
Just add water and salt for 8 hours of light,
plus a USB port for emergency charging.
Product Specifications
Designed for public good.
How to Use
Guide on how to use the lamp.
Anode Replacement
You only need to replace the anode plate every 3 to 4 months, assuming the lamp is used for 8 hours each day.
Since 1957, the Good Design Award has served as Japan's only comprehensive design evaluation and commendation system. It attracts participation from numerous companies and designers, both domestic and international, who aim to improve industry and quality of life through design. The award’s symbol, the “G Mark,” is widely recognized as a hallmark of excellence in design.
In 2018, SALt’s flagship product earned the Good Design Award, receiving recognition from esteemed industrial designers across Japan.
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SALt 2.0 - Saltwater Emergency Light
$49.99SALt 2.0 is an off-grid lighting and power solution designed for remote and disaster-prone communities. Powered by saltwater and advanced metal-air fuel cell technology, this sustainable lamp provides reliable illumination and device charging without the need for conventional electricity. With a nominal 5V DC output and a rated power of 2W, it features a USB port for charging mobile devices and an internal 10,000mAh energy buffer for continuous use. Emitting 350 lumens of bright, daylight-white light, SALt 2.0 offers multiple lighting modes—including white and red LEDs—with a wide 120° beam spread ideal for ambient lighting. Built for longevity with solid-state LEDs rated for over 50,000 hours, it can deliver over 250 hours of illumination on a single anode plate refill. Compact, eco-friendly, and engineered for resilience, SALt 2.0 is more than a lamp—it’s empowerment through innovation.Ships 2025-10.QuantityComing soonHow It Works
Leveraging metal-air battery technology, we have engineered an optimized blend of materials and design that delivers a lifespan three times longer than existing solutions on the market.
1Electrodes
Our core, patent-pending technology and design.
2Electrolytes
Aqueous solution in the form of saltwater.
3Electricity
Generate power enough to light up your lantern.
About Us
SALt (Sustainable Alternative Lighting) is a Filipino social enterprise tackling energy poverty with sustainable innovation. Its flagship product—a saltwater-powered lamp using metal-air battery tech—offers a safe, eco-friendly alternative to kerosene for off-grid island and coastal communities.
Rooted in a strong social mission, SALt empowers families without electricity access by providing a lighting solution that runs on just salt and water—perfect for remote areas with scarce resources.
Donate to Communities
By collaborating with NGOs, foundations, and local government units (LGUs),
we are able to provide vital lighting assistance to underserved communities.
Hanunuo Mangyan Tribe
Brgy. Bulalacao, Oriental Mindoro
Located down south of the island of Oriental Mindoro, we met with the community representatives of the Hanunuo Mangyan tribe who informed us that most of the villages in Bulalacao are not connected to the power grid.
Target: 100 Lamps (Sponsored)
The Northern Tribe
Brgy. Buscalan, Tinglayan, Kalinga
Where the inspiration came from. Living in the northern mountains of Kalinga, some people of Brgy. Buscalan. Most of the villagers still users traditional lighting system (kerosene lanterns) as their main source of lighting.
Target: 100 Lanterns (Sponsored)
Barangay Gabi Families
Brgy. Gabi, Carles, Iloilo
Visiting the island of Carles, Iloilo, we were informed by its local government of the challenges their constituents face living in rural islands in the country.
Target: 500 Lanterns (Donate)
People of Calayan
Calayan Island, Cagayan
The farthest island the team have been to. The people of Calayan only receives 3 hours of electricity per day. In order to help extend the school hours for children, we wanted to support them by providing them with safe lighting.
Target: 100 Lanterns (Sponsored)
Barangay Laiban Families
Brgy. Laiban, Tanay, Rizal
Surrounded by mountains, this rural village in Brgy. Laiban still lacks access to electricity. To help the mothers with their house chores, we are looking for sponsors to hit the target number of lanterns for donation.
Target: 700 Lanterns (Donate)
Barangay Pamintahan Families
Brgy. Pamintahan, Lipa, Batangas
Situated in the middle of the city, these informal settlers have not been able to gain access to electricity for more than eleven years of living under the city bridge.
Target: 100 Lanterns (Sponsored)
Families of Masbate
The Island of Masbate
Visited the island of Masbate and discussed among the city Mayor on how we can support their constituent in accordance with providing an effective and cost-effective lighting system.
Target: 1,000 Lanterns (Donate)
Barangay Papaya Community
Brgy. Papaya, Tingloy, Batangas
As suggested by the people who had the chance to visit the island, a lot of household are in need to cost-effective lighting especially during the typhoon season.
Target: 390 Lanterns (Donate)