Manufacturer 2V250Ah Solar Opzv Gel Battery for Power Supply Model: OPzV2-250 OPzV Battery/Gel Battery. Size: 124*206*356*389mm Weight: 23.5kgs Warranty: 3years Design Life: 20-25years OEM/ODM: Free Replace OPzV Tubular Gel Battery Descriptions: 1. SunLike OPzV Gel Range are maintenance free sealed valve regulated lead acid rechargeable batteries offer their superior performance and reliability. 2. SunLike state-of-the-art manufacturing facilities with wealthy experience ensure safety,outstanding battery life and value. Each cell is 100% factory  tested. 3. SunLike OPzV Gel Range batteries can be used in float or deep cycle(1500 x 80%) service and have a Design life of 20 years at 20°C. 4. SunLike OPzV Gel batteries can be stored up to 2 years at 20-25°C without  fresh charging. Manufacturer 2V250Ah Solar Opzv Gel Battery for Power Supply Characteristics 1.Plate: Positive plate adopt tubular plate which can prevent active material falling,and adopts muti-component alloy frame. Have fine corrossion-resisting performance and long cycle life. Negative plate adopts special radiated structure. 2. Separator: Adopt PVC-SiO2 separator with big porosity and low resistance. 3.Electrolyte: Adopt Germany gas sillicon dioxide electrolyte in gel state in the battery without flowing leakage and lamination can be avoided. 4.Safety valve: Adopt Germany technology,constant opening and closing,accumulator expansion,damage and electrolyte dry up can be avoided. 5.Standard: Proof against deep discharge according to DIN 43539 T5. 6.Design life: 20 years at 20ºC ambient, 3-5 Years warranty at 20ºC/68°F . 7.High Power Cycles: at least 1500 cycles under 100% D.O.D at 20ºC/68°F Manufacturer 2V250Ah Solar Opzv Gel Battery for Power Supply Applications: Medical Equipment    Telecommunications       UPS Cable Television    Railroad Utility Electric Utility       Photovoltaic System   Control Equipment    Alternative Energy System Security System   www dot sunlikebattery dot com