panneau solaire de charge

CONT: Trois piles rechargeables au moyen d'un petit panneau solaire de charge de 5 kg ne pèseront au total que 12,5 kg, c'est-à-dire deux fois moins.

CONT: If, however, a 5-kilogram solar charging unit and perhaps three nickel-cadmium batteries were used, the weight required to power the radio for its mission is halved, to 12.