SOLAR RECHARGING SYSTEM FOR HEARING-AID CELLS

We present a solar recharging system for nickel-cadmium cells of inter est in areas where batteries for hearing aids are difficult to obtain. The charger has sun cells at the top. Luminous energy is converted in to electrical energy, during the day and also at night if there is moo nlight. The cost of the charger and hearing aid is very low at 35 US$. The use of solar recharging for hearing aids would be useful in allev iating the problems of deafness in parts of developing countries where there is no electricity.