Pre-qualified by the World Health Organization(WHO) – PQS

SunDanzer’s 55-liter and 15-liter Battery-Free Vaccine Refrigerator solve a critical problem in the vaccine cold-chain by using solar direct-drive battery-free technology.  SunDanzer’s medical refrigerators are built to serve off-grid parts of the world and are powered directly by the sun.

Vaccines save lives, but only if kept at the right temperature. Keeping these heat-sensitive vaccines at the right temperature can be a true challenge. Especially in remote and under-developed areas around the world that have limited or no access to an electric power grid.

Thermal Energy Storage and Holdover Time

The WHO requires a holdover time of 3 days at 43°C (110°F),  but all SunDanzer models exceed 4 days for extra reliability.

Our solar powered medical refrigerators are lined with a proprietary phase change material (PCM) that maintains the required temperature range of 2°C to 8°C for vaccine refrigeration.  Since these units have no battery, their useful life is a decade or more with no scheduled maintenance.

For more information, please email [email protected].

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