SW425(4V2.5AH) - shenzhen sunnyway battery tech co.,ltd.

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
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SW425(4V2.5AH)
Outer dimensions (mm)
Specifications
Terminal Type (mm)
Nominal Voltage
4V
Rated capacity (20 hour rate)
2.5Ah
Total Height
53mm (2.09inches)
Height
53mm (2.09 inches)
Length
76mm (2.99 inches)
Width
26mm (1.02inches)
Dimensions
0.25Kg (0.55lbs)
Weight Approx
Discharge Curves 25 (77 )
Characteristics
20 hour rate(0.13A)
10 hour rate(0.23A)
Capacity
5 hour rate(0.43A)
25 (77 )
1 hour rate(1.50A)
1.5 hour discharge to 5.25 V
Internal Resistance Full charged Battery at 25 (77 )
Capacity
40 (104 )
affected
25 (77 )
by Temperature
0 (32 )
(20hour rate)
-15 (5 )
2.50 AH
2.30AH
2.13 AH
1.50 AH
1.1 A
30 m
102%
100%
85%
65%
Capacity after 3 month storage
Self-Discharge Capacity after 6 month storage
at 25 (77 )
Capacity after 12 month storage
91%
82%
64%
4.60
4.40
4.20
4.00
3.80
3.60
3.40
3.20
3.00
2.80
2.60
1.0A
0.5A
0.25A 0.13A
2.5A
5.0A
9.0A
0 1
2
7.5A
4 6 8 10
20
40 60
2
4 6 8 10 20 40
Terminal
Charge
(constant
Voltage)
T89
Initial Charging Current less than 1.0A
Cycle
Voltage 4.8-4.9 V
Voltage 4.5-4.6 V
Float
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77
Time
3.20V
3.40V
3.50V
3.60V
3.70V
A
W
A
W
A
W
A
W
A
W
)
5min
10min
15min
30min
1h
2h
3h
4h
5h
8h
10h
20h
9.00
5.90
4.38
2.88
1.50
0.88
0.64
0.52
0.44
0.29
0.24
0.13
106.1
8.25
66.7
5.65
50.4
4.02
30.5
2.73
17.3
1.41
10.1
0.84
7.4
0.63
6.0
0.50
5.1
0.43
3.3
0.28
2.7
0.23
1.5
0.13
99.9
63.1
47.4
30.3
16.3
9.7
7.2
5.8
5.0
3.3
2.7
1.5
7.51
5.28
3.75
2.65
1.36
0.82
0.61
0.48
0.43
0.28
0.23
0.13
96.5
61.3
45.3
30.0
15.8
9.5
7.1
5.5
4.9
3.3
2.7
1.4
7.22
84.6
5.04
59.4
3.50
43.6
2.57
29.9
1.32
15.3
0.80
9.3
0.60
7.0
0.47
5.4
0.41
4.7
0.27
3.1
0.22
2.6
0.12
1.4
6.68
4.75
3.25
2.50
1.27
0.78
0.57
0.46
0.39
0.27
0.22
0.12
81.8
57.4
41.6
29.7
15.1
9.3
6.8
5.4
4.6
3.0
2.6
1.4
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