Product Name: Ce UL ISO Certificated 12V 250ah Gel AGM Deep Cycle Solar Inverter Battery Model NO.: 6-GFM(G)-250 Rechargeable: Chargeable Installation: Fixed Electrolyte: Sulfuric Acid Thixotropic Gel Shape: Square Battery Discharge Rate: High Discharge Rate Nominal Voltage: 12V Usage: UPS, Electric Power, Lighting, Electric Bicycle, Boat, Solar System, Telecom Type: Gel Battery Material: High Pure Lead Certificate: UL/Ce/RoHS/ISO9001/ISO14001/IEC60896/IEC61427 Size: 520x269X225mm Weight: 68kg Maintenance: Free Color: Grey / Black Terminal: Copper or Lead Material Warranty: 3 Years Expected Cycle Life: 10 Years Sealed: Yes Trademark: Yangtze Solar Transport Package: 1PCS /Carton Specification: 12V250AH Gel Battery Origin: China HS Code: 8507200000 Product Description *****CE UL ISO certificated gel battery 12v 250ah *****Key Features :♦Gelled electrolyte made by mixing sulfuric acid with silica fume♦The electrolyte is gel like ,immobile and does not leak ,enablinguniform reaction of each part of the plate .♦High rate discharge performance due to tight assembly technology♦Strong heat dissipation and wide operating temperature range♦Avoid acid mist being separated out ,environment friendliness♦Efficient venting system release excessive gas automaticallyApplications :♦Solar and wind energy storage system♦EPS and UPS battery backup♦Signal system ,emergency lighting system ,security system♦Telecommunication Equipment♦Power plant and transmission system1. Functional Parameter5. Environment TemperatureNominal Voltage12VDischarge Temperature-20~60ºCNominal Capacity (10 hour rate)250AhCharge Temperature0~50ºCNumber of Cells6cellsStorage Temperature-20~60ºC2. Rated Capacity at 25ºC (77° F)6. Inner Resistance & Max . Discharge Current10 hour rate (0.1C, 10.8V)250AhFully Charged battery at 25ºC (77° F)2.5mΩ3 hour rate (0.25C, 10.8V)181AhMax. Discharge Current3750A (5s)1 hour rate (0.55C, 10.5V)137.6AhShort Circuit Current12500A3. Capacity affected by Temperature (10 hour rate)7. Self-discharge at 25ºC (77° F)40ºC (104° F)103%Capacity after 3 month storage91%25ºC (77° F)100%Capacity after 6 month storage82%0ºC (32° F)85%Capacity after 9 month storage73%-15ºC (5° F)65%Capacity after 12 month storage64%4. Dimension and Weight8. Constant voltage charging at 25ºC (77° F)Length520mmCyclic use14.4~14.9VWidth269mmMaximum charging current62.5AHeight220mmTemperature compensation-30mV/ºCTotal Height225mmFloat use13.6~13.8VReference Weight68kgTemperature compensation-20mV/ºC♦ Battery factory Founded in 1996 ,2 million batteries annual production capacity♦ Products including valve regulated lead acid battery ,Gel battery ,deep cycle battery, OPzV and OPzS battery♦ Products are exported to more than 150 countries♦ Products are certified by CE ,UL ,Rohs♦ Mature and very well respected AGM and GEL technologies for valve-regulated lead-acid batteries ranging from 2Ah to 3000Ah