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HR 1251W
12V 51W
Specification
Cells Per Unit
Voltage Per Unit
Capacity
Weight
Maximum Discharge Current
Internal Resistance
Operating Temperature Range
HR 1251W is specially designed for high efficient
discharge application. Its characteristics are high energy
density, small footprint and high discharge efficiency. It can
be used for more than 260 cycles at 100% discharge in cycle
service, up to 5 years in standby service.
6
12
51W @ 15min-rate to 1.67V per cell @25 (77 )
12.8 Ah @ 20hr-rate to 1.75V per cell
@25 (77 )
Approx.
3.72 kg(8.2 lbs)
150/180 A(5sec)
Approx. 13 m
Discharge: -15 ~50 ( 5 ~122 )
Charge: -15 ~40 ( 5 ~104 )
Storage: -15 ~40 ( 5 ~104 )
25
3 (77
5 )
13.5 to 13.8 VDC/unit Average at 25
5.1A
Nominal Operating Temperature Range
Float Charging Voltage
Recommended Maximum Charging
Current Limit
Equalization and Cycle Service
Self Discharge
(77
)
Terminal
Container Material
14.4 to 15.0 VDC/unit Average at 25 (77 )
CSB Batteries can be stored for more than 6 months at
25 (77 ). Please charge batteries before using. For
higher temperatures the time interval will be shorter.
F1/F2-Faston Tab187/250
ABS(UL 94-HB/File E50263)*Flammability resistance of
(UL 94-V0/File E88637) can be available upon request.
CSB-manufactured
VRLA
batteries are UL-
recognized components
under UL924 and UL1989.
CSB is also certified by
ISO 9001 and ISO 14001.
Dimensions :
Unit: mm (inch)
Overall Height (H)
100±1 (3.94±0.04)
Container height (h)
94±1 (3.7±0.04)
Length (L)
151±2 (5.94±0.08)
Width (W)
98±1 (3.85±0.04)
Constant Current Discharge Characteristics
Unit:A (25
,77
)
F.V/Time
1.60V
1.67V
1.70V
1.75V
1.80V
1.85V
2MIN
85.8
82.4
80.5
77.2
72.9
68.6
4MIN
64.0
61.6
60.5
57.9
54.8
51.6
6MIN
50.8
49.2
48.0
46.4
44.6
42.7
8MIN
43.0
41.8
41.2
39.9
38.3
36.5
10MIN
36.8
35.8
35.2
34.3
32.9
31.6
15MIN
27.1
26.7
26.4
25.7
24.8
23.9
20MIN
21.4
20.9
20.7
20.3
19.9
19.6
30MIN
15.4
15.3
15.2
15.1
14.9
14.7
,77
60MIN
8.33
8.29
8.28
8.24
8.20
8.16
)
90MIN
6.65
6.61
6.58
6.52
6.44
6.36
Constant Power Discharge Characteristics
Unit:W (25
F.V/Time
1.60V
1.67V
1.70V
1.75V
1.80V
1.85V
2MIN
1,030
990
969
927
875
824
4MIN
768
742
726
695
657
619
6MIN
607
585
573
552
532
513
8MIN
511
500
494
479
460
441
10MIN
441
430
422
408
393
379
15MIN
325
320
317
310
300
290
20MIN
257
251
249
244
239
235
30MIN
185
184
183
181
179
177
60MIN
100
99.6
99.3
98.9
98.4
97.9
90MIN
79.8
79.4
79.0
78.3
77.3
76.4
RA0812
CSB-BATTERY [ CSB BATTERY CO., LTD. ]
