... 2, apply for solar system. 3, wide operation temperature range. VRLA battery 2V500Ah:Application: new energy, telecommunication, banking, medical industry, fire fighting ... 241mm*172m*331mm*366mm 31kg FreeCharacteristics of VRLA battery:1. Excellent safety performance: No electrolyte leakage, battery swelling and cracking under normal use ... CA for 5 minutes or 10 CA for 5 seconds. VRLA battery 2V500Ah