Product Name: 2V400ah Deep Cycle Battery UPS Use Gle Battery Model NO.: GFMJ-400 Rechargeable: Chargeable Installation: Packaged Electrolyte: Acid Shape: Square Battery Discharge Rate: High Discharge Rate Nominal Voltage: 2V Usage: UPS, Electric Power, Lighting, Boat Type: Lead-Acid Batteries Certificates: Ce, UL, Tlc, ISO9001, ISO14001, Ohsas18001 Dimension: 196*171*330*342 (L*W*H*Th)mm Weight: 23.1 Kgs Design Life: 8 Years Warranty: 3 Years Maintenance Free: Yes Battery Color: Italia Grey Terminal: Copper Trademark: HUAFU Transport Package: Plywood Case or Wood Pallet Specification: CE, UL, TLC, ISO9001, ISO14001, OHSAS18001 Origin: Gaoyou City, Jiangsu Province, China HS Code: 8507200000 Product Description 3 Years Warranty!2V400Ah Deep Cycle Battery UPS Use Gle BatteryComprehensive performances1. Patents structure: Have "easy connection storage battery" patent structure, can buried underground to installation, to avoid pole corroded.2. Excellent recovery performance: Use aspecial patented alloy and lead paste formula, have astrong capacity of recovery performance after deep discharge.3. Strong charge acceptance: Used import low resistance materials and advanced technology, current become smaller at end of the charge and has astrong charge accept ability.4. Wide temperature range: -30 degrees Celsius- 45 degrees Celsius5. Long life: Using gel electrolyte, no acid layer and has long life.6. Environment friendly: Not include Cadmium metal which is pollution to environment. With no leaking and ensured the battery's environmental protection and safety.Rated Voltage2VRated Capacity400 Ah(10 hr, 1.80 V/cell, 25 ºC)Approximate Weight(Kg,±3%)23.1 kgTerminalCopper(M8)Maximum Charge Current100 AAmbient Temperature-35~60 ºCDimension(L*W*H*TH)196*171*330*342mmCaseABSApplicationCommunication/communication station, power station, power transmission and transformation system, computer system protection, emergency power supply, UPS uninterruptible power supply systems, wireless stations and standby power automaticcontrol, etc.Model400AhMax.Discharge Current30I10A (3min)Self-Discharge(25°C)<3%/monthWarranty3 yearsDesigned life8 yearsUsing TemperatureDischarge: -25°C~50°CCharge: -20°C~45°CStorage: -30°C~40°CRecommended Using Temperature15°C~30°CCharge Voltage (25°C)Float Charge: 13.5V-13.8VAverage Charge: 14.4V-14.7VMax.Charge Current≤0.25C10Charge Mode(25°C)Float Charge:13.65±0.15V/CellTemperature Compensation Coefficient :±18 mV/Cell°CCycle Charge:14.7±0.3V/CellTemperature Compensation Coefficient: ±30 mV/Cell°CCover MaterialABS Engineering PlasticCycle life105 % @ 40°C85 % @ 0°C60 % @ -20°CDOD cycle100% DOD 520 times50% DOD 1350 times30% DOD 2188 timesProducts StandardGB/T 19638.2-2005 YD/T 1360-2005 IEC 60896-21/22:2004FAQ1). Price term: FOB/C&F2). Packing: in Carton Box Packing in Wooden case3). Minimum quanity: 3Pcs4). Delivery Time:10-15 days after Receiving extra deposit payment5).Web: www.huafubattery.com6). Contact: Mob +86 150-6287-56517). Factory video: https://youtu.be/dAExGmhU4PI