Product Name: UPS Deep Cycle 12V55ah 12V 55ah Solar System Battery Rechargeable AGM Solar Battery Model NO.: NP 55-12 Rechargeable: Chargeable Installation: Portable Electrolyte: Acid Shape: Rectangle Discharge Rate: Low Discharge Rate Nominal Voltage: 12V Usage: UPS, Electric Power, Lighting Type: Lead-Acid Batteries Trademark: OCEAN Transport Package: Carton Specification: 229*138*214MM Origin: China HS Code: 85072000 Product Description Applications:Solar and wind Powe SystemCable TVTelecommunicationsWheelchairMarine EquipmentElectrical ToysMilitary EquipmentEmergency lightingPower PlantsMedical DevicesGolf CartEmergency Alarm SystemsBattery Use and Maintenance:1) Please use constant-voltage charge.2) In floating charge, the voltage is 2.23 to 2.27 per unit cell.3) In cycle use, the voltage is 2.35 to 2.45 per unit cell, the ax. Current is no more than 25%° C4) Please do tighten the bolts to avoid sparkle and poor contact when the battery is in use.5) Please do not use it near the heat source and open flame.6) Please keep it at low temperature. Please change it while there is liquid leaking or damage.