INDIVIDUAL DATA SHEETS For standby power supplies. Expected trickle life: 6 years at 25°C, 10 years at 20°C. LC-X1228AP/ LC-X1228P Dimensions (mm) 45.5 Terminal Type: LC-X1228AP: M5 threaded post LC-X1228P: M5 bolt and nut 165+ 2 - 125 + 2 - 12 175 + -2 9.8 8.3 2.2 12 134 90 Labels will vary, see page 68 for example of labels. (a) The photo and dimensions represent LC-X1228AP 163.4 Specifications Approx. mass Country of origin 12V Discharge characteristics (25°°C) (note) 28Ah 165 mm 125 mm 175 mm Terminal voltage (V) Nominal voltage Rated capacity (20 hour rate) Length Width Dimensions Height Total Height LC-X1228AP: 175 mm LC-X1228P: 179.5 mm 11.0 kg Republic of China 13.0 12.0 11.0 10.0 9.0 (25°C) 1 2 4 6 8 10 20 40 60 4 6 8 10 20 40 (Hour) Duration of discharge 28.0Ah 26.5Ah 25.0Ah 21.0Ah Duration of discharge vs. Discharge current (note) 30 9.8A 20 15 Approx. 6mΩ 102 % 100 % 85 % 65 % 91% 82% 64% Charge 13.6 to 13.8 V Method Control Trickle use (Constant voltage (per 12V cell 25°C) Voltage) (Note) The above characteristics data are average values obtained within three charge/discharge Cycles not the minimum values. 10 (Hour) 20 hour rate (1.4A) 10 hour rate (2.65A) 5 hour rate (5.0A) 1 hour rate (21.0A) 1.5 hour rate discharge Cut-off voltage 10.5 V Fully charged battery (25°C) 40°C 25°C 0°C -15°C Residual capacity after standing 3 months Residual capacity after standing 6 months Residual capacity after standing 12 months Duration of discharge Self discharge 2 2.8A 1.4A 56A (Minute) 5 4 3 40˚C 2 1.5 25˚C 1 50 40 0˚C 30 (Minute) Temperature dependency of capacity (20 hour rate) 7A 8.0 Characteristics Internal resistance 14A 28A 0 Capacity (note) (25°C) 124 Battery case resin: Standard (UL94HB) -15˚C 20 10 5 3 1 5 10 50 Discharge current (A) Sealed Lead-Acid Handbook, January 1999 100 500