NP18-12B NP18-12BFR Sealed Rechargeable Lead-Acid Battery Specifications * NOMINAL VOLTAGE: 12V * NOMINAL CAPACITY: 20 hr. rate of 0.86A to 10.5V 17.2Ah 10 hr. rate of 1.6A to 10.5V 16.0Ah 5 hr. rate of 2.9A to 10.2V 14.5Ah 1 hr. rate of 10.3A to 9.60V 10.3Ah * WEIGHT (approx.): 13.70 pounds (6.2 kgs.) * ENERGY DENSITY (20 hr. rate): 1.47 WH/cubic inch (90 WH/liter) * CHARGE RETENTION (shelf life) at 68F (20C): 1 month 97% 3 months 91% 6 months 85% 12V, 17.2Ah Terminal * LIFE EXPECTANCY: STANDBY USE 3 to 5 years CYCLE USE (approx.): 100% depth of discharge 250 cycles 50% depth of discharge 550 cycles 30% depth of discharge 1200 cycles * SEALED CONSTRUCTION: Can be operated in any position without leakage. * SPECIFIC ENERGY (20 hr. rate): 15.1 WH/pound (33.28 WH/kg) * INTERNAL RESISTANCE OF CHARGED BATTERY: 11 milliohms (approx.) * STANDARD TERMINAL: Bolt fastened terminal * HOUSING MATERIAL: ABS Resin * MAXIMUM DISCHARGE CURRENT WITH STANDARD TERMINALS: 150 amperes * OPTIONAL: Container and cover made from Flame Retardant ABS (UL94-V0/L.O.I.>28%) * MAXIMUM SHORT-DURATION DISCHARGE CURRENT: 450 amperes * HARDWARE: 2-M5-.8 x 12mm Bolt w/nuts, lock washer & flat washer * OPERATING TEMPERATURE RANGE: CHARGE 50F to 1220F (-150C to 500C) DISCHARGE -40F to 1400F (-200C to 600C) DIMENSIONS: INCHES INCH .427 .453 .433 .216 .079 = MM 12.00 11.50 11.00 5.50 2.00 Dimensions DIMENSIONS: MM (INCHES) RECOGNIZED BY UL, File No. MH 16464 TM Publication No: US-NP18-12B-01 * November 2002 DISCHARGE CHARACTERISTIC CURVES AT 250C (770F) TERMINAL VOLTAGE PERCENTAGE OF CAPACITY AVAILABLE TEMPERATURE EFFECTS IN RELATION TO BATTERY CAPACITY OPEN CIRCUIT VOLTAGE VS REMAINING CAPACITY (%) 100 OPEN CIRCUIT VOLTAGE 75 50 200C (680F) 400C (1040F) 0 0 30 C (86 F) AT 250C (770F) 13.0 12.0 11.0 25 0 (V) 14.0 6 3 12 9 10.0 18 15 0 20 STORAGE TIME (MONTHS) TESTING CONDITIONS: DISCHARGE CURRENT: 0.17C AMP. (F.V. 1.7V/CELL) CHARGING CURRENT: 0.09C AMP. CHARGING VOLUME: 125% OF DISCHARGED CAPACITY AMBIENT TEMPERATURE: 200C TO 250C (680F TO 770F) 120 100 80 60 100% D.O.D. 50% D.O.D. 30% DEPTH OF DISCHARGE 40 TESTING CONDITIONS: FLOATING VOLTAGE 2.25 TO 2.30V/CELL AMBIENT TEMPERATURE: 200C TO 220C (640F TO 720F) (AH%) 120 100 80 60 40 20 0 1 20 2 3 4 LIFE (YEARS) 0 200 400 600 800 1000 1200 1400 NUMBER OF CYCLES When the battery will be used by current in excess of 3C, consult with EnerSys, Inc. prior to use. CHARGING METHODS (At 20C) CAUTION Cycle use: Maximum charging current 4.3A Charging voltage 14.4 to 15.0V Standby use: Float charging voltage 13.50 to 13.80V *Avoid short circuit *Do not charge in a sealed container. EnerSys Inc. P.O. Box 14145 Reading, PA 19612-4145 USA Tel:+1-610-208-1991 +1-800-538-3627 www.enersysinc.com 100 80 FLOAT SERVICE LIFE PERCENTAGE OF CAPACITY AVAILABLE PERCENTAGE OF CAPACITY AVAILABLE CYCLE SERVICE LIFE IN RELATION TO DEPTH OF DISCHARGE (AH%) 60 40 REMAINING CAPACITY (%) EnerSys EMEA Brussels, Belgium Tel:+32 (0)2 247 94 47 EnerSys Asia Guandong, China Tel:+86 755 2689 3639 Represented by: 5 5.5 Publication No: US-NP18-12B-01 * November 2002 REMAINING CAPACITY SELF DISCHARGE CHARACTERISTICS