A fully-charged breathing apparatus has an endurance of up to 20 hours, depending on the tank's capacity, the depth of the dive, and the amount of effort exerted by the diver. Ten- and twenty-hour tanks are standard. Cost: 120 Cr (10-hour), 180 Cr (20-hour) Weight: 11 kg (10 hour), 15 kg (20 hour) Recharge: 25 Cr (10 hour), 50 Cr (20 hour)