NPP is an international enterprise that specializes in RD and manufacturing full range of energy products such as SLA, AGM, deep cycle, gel, and lithium batteries. NPP currently own operate 6 factories and 19 offices worldwide, 2 of the offices are based in Los Angeles CA and Dallas TX. NPP Group Pay high attention to the quality control and conducts strict producing excellent product, which ensure high quality of every product.Battery SpecificationsNominal Voltage: 12 voltRated Capacity (20 hour rate): 55 ampDimension (L x W x H): 9.06 * 5.46 * 8.31 inchesApprox. Weight: 38.1 lbsTerminal: T14Maximum Charging Current: 16.5AMaximum Discharge Current (5 sec.): 550ACharging Voltage: 14.5V – 15VFloat Charging Voltage: 13.5V – 13.8VDesigned Floating Life (68 Fahrenheit): 10 yearsCharging Guideline 1. Ideal charging temperature: 68 degrees Fahrenheit. Avoid charging at temperatures above 122 degrees Fahrenheit.2. To achieve optimum performance and long lasting, never discharge battery over 50% of it’s full capacity. Avoid discharge your battery more than 80% as this will greatly damage the battery’s internal components.3. Always fully charge batteries after each use. Both under and over-charging can reduce the life of the battery.4. Never combine different brand, different age and different capacity batteries together. This will cause serious damage to the battery. ��Enough Capacity Best Performance��Compared with other battery, NPP 55Ah Ssolar battery with smooth discharging voltage and mild discharge platfrom. NPP every battery with Enough Capacity and Work well. ��Dimention for 55 amp Elevator Battery��TL1255 or FP12550: 9.06 * 5.46 * 8.31 inch, Weight: 38.1 lbs. Spill proof because of the AGM VRLA (valve regulated) technology that eliminates spills and overpressure and with Low Self-discharge Rate, less than 3% ��Wide Application for 55ah UPC Battery�� Used For Solar Panel Wind Energy Storage, Wheelchair, Mobile Scooter, Trolling Motor, Industrial and Medical Equipment, Electric Vehicles, Golf Carts, Hunting, Lawn and Garden Tools, Portable Tools, Toys and Hobby, Emergency Lighting, Leisure, RV House, Camping, Home Alarm Security and more. General Purpose for John Deere Lawn Tractor-Riding Mower 108, Bruno PWC 23002310 U1 Wheelchair, Pride Mobility Jazzy Select 6, MINNKOTA Trolling, ect. ��WHY CHOOSE NPP 12V Battery��: UL, CE, IEC, ISO14001, ISO19001, OHSAS18000, TLC certified. 55Ah Battery with 550A(5 sec.)Maximum discharge current and C10=55A. Operating Temp: Charge: 0��C~50��C; Discharge: -20��C~60��C. Earning our customers trust is our #1 priority. 100 day no questions asked money back guaranteed along with our 12 month against any defects.The NPP team is here for any of your questions and concerns, giving you the support that you need within minutes. NEXT LEVEL CUSTOMER SUPPORT: Within 30 minutes or less. The NPP team is here for any of your questions and concerns, giving you the support that you need within minutes.