BATTERY 12V 76AH (C5) / 87AH (C20) "GEL" - GEL | P+ | additional battery | dimensions 330*171*233mm technology: GEL with VRLA venting; | 18 months warranty | provides up to 700 charging cycles at 80% discharge, maintenance-free, suitable for long periods of non-use, can be used in the cabin, spark and leak protection, vibration and tilt resistant; among others for powering devices on boats, campers, electric trolleys