SW1251W_17 Datasheet, PDF (1/1 Pages) Shenzhen Sunnyway Battery Tech Co.Ltd. – Constant power discharge unit:watts( 2 5 oC , 7 7 o F)

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SW1251W(12V51W)
Outer dimensions (mm)
151
98
Specifications
Nominal Voltage
12V
CAPACITY(15 minutes rate to 1.67V/cell)
51W
Rated capacity (20 hour rate)
Total Height
12Ah
100 mm (3.94 inches)
Dimensions
Height
Length
94 mm (3.70 inches)
151 mm (5.94 inches)
Width
98 mm (3.86 inches)
Weight Approx
3.95 Kg (8.7 l bs)
Characteristics
Capacity
25℃(77℉)
60min rate
30min rate
10min rate
6min rate
92.8W
182.3W
433.3W
588.8W
Internal ResistanceFull charged Battery at 25℃(77℉) 9 mΩ
Capacity
affected
by Temperature
(20hour rate)
40℃(104℉)
25℃(77℉)
0℃(32℉)
-15℃(5℉)
102%
100%
85%
65%
Capacity after 3 month storage 91%
Self-Discharge _{Capacity after 6 month storage 82%}
at 25℃(77℉)
Capacity after 12 month storage 64%
Terminal
Charge _Cycle
(constant
Voltage) _Float
T1、T2
Initial Charging Current less than 3.0A
Voltage 14.10-14.40V
Voltage 13.50-13.80V
Constant power discharge unit:watts(25^oC , 77 )^oF
2MIN 4MIN 6MIN 8MIN 10MIN 15MIN 30MIN 60MIN
1.6V 1012.5 755.8 588.8 503.5 433.3 319.7 182.3 98.2
1.67V 943.6 706.6 549.7 476.8 409.7 306.0 173.5 94.4
1.7V 914.3 685.7 533.0 465.6 399.5 300.1 172.4 92.8
1.75V 866.6 649.4 515.4 448.0 380.0 289.6 169.7 92.4
1.8V 818.9 614.1 497.8 430.5 360.4 279.1 166.9 92.0
1.85V 771.0 578.3 480.1 412.9 340.8 267.9 164.1 91.5
Terminal Type (mm)
T1
3.2
6.35
T2
3.4
7.85
Discharge Curves 25℃(77℉)
13.8
13.2
12.6
12.0
11.4
10.8
10.2
9.6
9.0
8.4
7.8
01 2
7.45A
16A
26A
40A
51A
4 6 8 10 20 40 60 2 4 6 8 10 20
(min)
(h)
Constant current discharge unit:A(25^oC , 77 ) ^oF
5MIN 10MIN 15MIN 30MIN 60MIN 5h 10h 20h
1.6V 51.12 40.54 28.97 16.16 8.80 23.40 11.40 0.65
1.67V 48.67 37.92 28.68 15.46 8.40 23.04 11.28 0.64
1.7V 46.33 37.12 26.96 15.17 8.26 22.80 11.16 0.62
1.75V 44.02 35.12 25.91 14.88 8.23 21.96 11.04 0.60
1.8V 41.10 33.12 24.83 14.60 8.18 21.36 10.80 0.59
1.85V 39.38 32.28 23.76 14.28 8.14 20.40 10.56 0.58
R