Specification Sheet

Contact Information
T: [phone]
www.sigmastek.com
[e-mail]
SigmasTek
7651 W 100th Place
Bridgeview, IL 60455, USA
Temperature Effects on Long Term Float Life
0.5
1
2
3
4
5
6
8
10
20 30 40 50
68 86 104 122
O
C
O
F
Battery temperature
Life expectancy (year)
Charging voltage:
2.25V/cell
Temperature Effects in Relation to Battery Capacity
0
20
40
60
80
100
120
-20 -10 0 10 20 30 40 50
Temperature (
0
C)
Capacity (%)
0.05CA
0.1CA
0.2CA
1.0CA
2.0CA
3.0CA
Float Charging Characteristics
6.0
6.5
7.0
7.5
5.5
(XCA)
0.10
0.15
0.20
0.25
0.05
0
%
30
50
40
60
70
80
90
100
120
110
(V) (V)
12.0
13.0
14.0
15.0
11.0
2.00
2.17
2.33
2.50
1.83
(V)
0.10CA-2.25V/cell temperature 25
0
C
0
10
20
Charge
Volume
Charging
Current
Charging
Voltage
Charging
Voltage
0 4 8 12 16 20 24 28 32 36 40
Charging Time (hours)
After 100% Discharge
Charge Voltage
(Constant 2.25v/cell)
Charging Current
After 50% Discharge
Charged Volume
Discharge Characteristics
Temperature: 25
0
C (77
0
F)
4.33
4.00
3.66
3.33
3.00
2.678.0
9.0
10.0
11.0
12.0
13.0
6.5
6.0
5.5
5.0
4.5
4.0
2.16
2.00
1.84
1.68
1.52
1.36
2V
Battery
ЈVЈ
4V
Battery
ЈVЈ
6V
Battery
ЈVЈ
12V
Battery
ЈVЈ
1 2 4 6 8 10 20 40 60 2 4 6 8 10 20
Min H
Discharge Time
Terminal Voltage (V)
0.05C
0.093C
0.207C
0.4C
0.628C
1C
2C
3C
Self Discharge Characteristics
0
20
40
60
80
100
2 4 6 8 10 12
Storage Time (Months)
Remaining Capacity (%)
40
o
C 30
o
C
25
o
C
10
o
C
Cycle Service Life
0
20
40
60
80
100
120
200 400 600 800 1000 1200
Ambient Temperature:
25
o
C (77
o
F)
Discharge
Depth 30%
Discharge
Depth 50%
Discharge
Depth 100%
Number of Cycles (Times)
Capacity (%)
Dimensions
T2 Terminal
Unit: mm (inches)
3.4 (0.134)
7.95 (0.313)
6.35 (0.25)
0.8 (0.031)
101 ±2 (3.98 ±0.08)
107 ±2 (4.21 ±0.08)
SP12-5.5HR
(12V5.5AH/T2)
Rechargeable Sealed Lead-Acid Battery
CHARGING INSTRUCTION
Floating use: 13.5 ~ 13.8V
Cycle use: 14.4 ~ 15.0V
Initial current: max 0.3CA
www.sigmastek.com
MH47929
70 ±1 (2.76 ±0.04)
90 ±1 (3.54 ±0.04)