VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET LC-X1220P/LC-X1220AP For main and standby power supplies. Expected trickle life: Approx. 6 years at 25°C, Approx. 10 years at 20°C. Dimensions (mm) Terminal type: LC-X1220P: M5 bolt and nut LC-X1220AP: M5 threaded post 6.043 (153.5) Photo/Label for reference only. (a) The photo and dimensions represent LC-X1220P. 0.040 (1) 4.429 (112.5) 0.886 (22) 0.443 (11) 6.575±0.079 (167±2) 0.217 (5.5) 0.197 (5) 0.197 (5) 0.492 (12.5) 2.992±0.079 (76±2) 7.126±0.079 (181±2) 2.933 (74.5) 7.067 (179.5) Specifications Dimensions 12V 20Ah 7.126 inches (181.0 mm) Width 2.992 inches (76.0 mm) Height 6.575 inches (167.0 mm) Total Height 6.575 inches (167.0 mm) Approx. mass Standard Terminals and Resin Optional Terminals and Resin UL94HB M5 Bolt and Nut UL94HB M5 Threaded Post 14.56 lbs. (6.6 kg) LC-X1220P LC-X1220AP Battery case resin: Standard (UL94HB) Color is black. Discharge characteristics 77°F (25°C) (Note) Terminal voltage (V) Nominal Voltage Rated Capacity (20 hour rate) Length ♦ Please contact Panasonic for availability on optional items. Optional items may be subject to minimum order quantities. 14.4 13.8 13.2 12.6 12.0 11.4 10.8 10.2 9.6 9.0 8.4 7.8 7.2 20A 2A 2 4 6 810 40A 60A 0 1 2 4 6 810 20 40 60 20 40 (Minute) (Hour) Duration of Discharge Characteristics 20Ah 18Ah 16Ah 12Ah Duration of discharge vs. Discharge current (Note) 30 20 9.8A 15 Approx. 11mΩ 91% 82% 64% 8 A or smaller 14.5 V to 14.9 V (per 12V cell 25˚C) 3 A or smaller 13.6V to 13.8V (per 12V cell 25˚C) (Note) The above characteristics data are average values obtained within three charge/discharge. Cycles not the minimum values. (Note) For cycle use of the battery, please contact us in advance. (Hour) Duration of discharge 102% 100% 85% 65% 10 5 4 104˚F (40˚C) 3 77˚F (25˚C) 2 1.5 1 50 40 30 32˚F (0˚C) (Minute) 20 hour rate (1.2A) 10 hour rate (2.2A) Capacity (note) 5 hour rate (3.8A) 1 hour rate (14A) 77˚F (25˚C) 1.5 hour rate discharge Cut-off voltage 10.5 V Fully charged battery Internal Resistance 77˚F (25˚C) Temperature 104˚F (40˚C) dependency 77˚F (25˚C) of capacity 32˚F (0˚C) (20 hour rate) 5˚F (-15˚C) Residual capacity after standing 3 months Self discharge Residual capacity 77˚F (25˚C) after standing 6 months Residual capacity after standing 12 months Initial current Cycle use Charge (Repeating Control voltage use) Method (Constant Initial current Voltage) Trickle use Control voltage 1A 5A 20 5˚F (-15˚C) 10 5 3 300 500 (mA) VRLA BATTERIES PAGE 49 1 3 5 10 30 50 100 (A) Discharge current AUGUST 2005