External battery cabinet for Galaxy VS up to 80 kW (Not for UPS with 50 kW) 36 blocks 12 V, 56 Ah Battery type: VRLA (lead acid) Battery service life: 10 years (EUROBAT) . Runtime (with power factor 1): 15 kW - approx. 65 min 20 kW - approx. 47 min 30 kW - approx. 28 min 40 kW- approx. 20 min 60 kW - approx. 11 min 80 kW- approx. 7 min . Dimensions: 700 x 1970 x 840 mm (W x H x D) Weight: 920 kg . Please note that increased delivery costs may apply due to product weight