[1] According to BBC, the refrigerator's temperature 'can stay at 4°C for more than 10 days without power, and is used mainly in Africa' to store vaccines and other medical supplies.
[2] [3] In 2013, the technology that uses an ice-mass to maintain refrigerator temperature without power won a $100,000 research award from the Bill and Melinda Gates Foundation.
Tansley spent many years working with vaccine refrigerators in some of the world’s most inhospitable places.
[5] A constant frustration for him was their dependence on re-chargeable batteries, which were costly, unreliable and hard to replace in remote areas.
Sir Richard stated, “It is my view that Sure Chill Technology will make a huge contribution to childhood vaccination programmes worldwide, especially in poorer communities.” Whilst Sir John stated, “Sure Chill Technology has the potential to improve living conditions and healthcare of populations in some of the poorest countries, and to lessen the impact of global warming on mankind.