Yuasa Technical Data Sheet Yuasa NP18-12B Industrial VRLA Battery Layout Specifications Nominal voltage (V) 12 20-hr rate Capacity to 10.5V at 20°C (Ah) 17.2 10-hr rate Capacity to 10.8V at 20°C (Ah) 16 Dimensions Length (mm) 180 (±1) Width (mm) 76 (±1) Height (mm) 167 (±2) Mass (kg) 6.2 Terminal Type Threaded terminal - (M=Male or F=Female) M5 Lug Operating Temperature Range Storage (in fully charged condition) -20°C to +60°C Charge -15°C to +50°C Discharge -20°C to +60°C Storage Capacity loss per month at 20°C (% approx.) 3 Case Material Standard ABS (UL94:HB) FR version available UL94:V0 Charge Voltage Float charge voltage at 20°C (V)/Block 13.65 (±1%) Float charge voltage at 20°C (V)/Cell 2.275 (±1%) Float Chg voltage tmp correction factor from std 20°C (mV) -3 Cyclic (or Boost) charge Voltage at 20°C (V)/Block 14.5 (±3%) Cyclic (or Boost) charge Voltage at 20°C (V)/Cell 2.42 (±3%) Cyclic Chg voltage tmp correction factor from std 20°C (mV) -4 Charge Current Float charge current limit (A) No limit Cyclic (or Boost) charge current limit (A) 4.5 Maximum Discharge Current 1 second (A) 500 1 minute (A) 150 Impedance Measured at 1 kHz (mΩ) 15 Design Life & Approvals EUROBAT Classification: Standard Commercial 3 to 5 Yuasa design life at 20°C (yrs) up to 5