VRLA batteries in photovoltaic energy storage systems for telecom ...
The Swiss PTT has installed an active repeater station powered by a photovoltaic energy storage system (PVES) on the peak Pit Muttler situated in the vicinity of the border corner Switzerland-Austria-Italy at an altitude of 3294 m. The PVES system consists of 72 60 W (4.32 kW-36m/sup 2/) solar panels with associated maximum power …