As a result, many Nigerians rely on petrol and diesel to fuel the generators that power their homes and businesses. Fuel shortages were a key issue in Nigeria’s recent presidential election and have made it increasingly difficult to run generators. His company Reeddi rents out small, lightweight solar-powered batteries called “Reeddi Capsules” that can power devices including TVs, laptops and refrigerators. One Reeddi Capsule can power a TV for around five hours, or a 15-watt fan for 15 hours. Olubanjo says organizations in countries including Uganda, Ghana and South Africa have expressed an interest in the Reeddi Capsule.