vrla batteries page 49 august 2005 valve-regulated lead acid batteries: individual data sheet for main and standby power supplies. expected trickle life: approx. 6 years at 25c, approx. 10 years at 20c. LC-X1220P/lc-x1220ap specifications characteristics dimensions (mm) discharge characteristics 77f (25c) (note) duration of discharge vs. discharge current (note) photo/label for reference only. (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. terminal type: LC-X1220P: m5 bolt and nut lc-x1220ap: m5 threaded post (a) the photo and dimensions represent LC-X1220P. 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 duration of discharge terminal voltage (v) (minute) (hour) 60a 40a 20a 5a 2a 1a 0246810 120406024 6 810 20 40 battery case resin: standard (ul94hb) color is black. 30 20 15 10 5 4 3 2 1.5 1 50 40 30 20 10 5 3 300 500 1 3 5 10 30 50 100 discharge current (ma) (a) (minute) (hour) duration of discharge 104?f (40?c) 77?f (25?c) 32?f (0?c) 5?f (-15?c) 0.040 (1) 2.992?.079 (76?) 0.886 (22) 0.443 (11) 2.933 (74.5) 0.217 (5.5) 0.492 (12.5) 6.043 (153.5) 6.575?.079 (167?) 7.126?.079 (181?) 4.429 (112.5) 0.197 (5) 7.067 (179.5) 0.197 (5) ? please contact panasonic for availability on optional items. optional items may be subject to minimum order quantities. nominal voltage rated capacity (20 hour rate) 12v 20ah 7.126 inches (181.0 mm ) 2.992 inches (76.0 mm) 6.575 inches (167.0 mm ) 6.575 inches (167.0 mm ) 14.56 lbs. (6.6 kg) LC-X1220P ? lc-x1220ap dimensions standard terminals and resin optional terminals and resin length width height total height approx. mass ul94hb m5 threaded post ul94hb m5 bolt and nut capacity (note) 77?f (25?c) self discharge 77?f (25?c) 9.8a 102% 100% 85% 65% 20 hour rate (1.2a) 10 hour rate (2.2a) 5 hour rate (3.8a) 1 hour rate (14a) 1.5 hour rate discharge cut-off voltage 10.5 v 20ah 18ah 16ah 12ah internal resistance fully charged battery 77?f (25?c) residual capacity after standing 3 months residual capacity after standing 6 months residual capacity after standing 12 months 91% 82% 64% approx. 11m ? 3 a or smaller 8 a or smaller initial current initial current 14.5 v to 14.9 v (per 12v cell 25?c) control voltage 13.6v to 13.8v (per 12v cell 25?c) 104?f (40?c) 77?f (25?c) 32?f (0?c) 5?f (-15?c) temperature dependency of capacity (20 hour rate) charge method (constant voltage) trickle use cycle use (repeating use) control voltage
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