VRLA Rechargeable Battery
BPL28-12
FEATURES
Maintenance free(no water topping-up required).
No free acid(Non-spillable battery).
Low self-discharge rate, lower than 3% capacity
loss per month.
Can be used in any orientation(excluding used inverted).
Measures
Technology
Values
Innovation
(BPL28-12FR)
APPLICATION
UPS
Wheelchairs
Lawn Mowers
Electronic Medical Equipment
Golf-Carts
SPECIFICATIONS
Nominal Voltage
Nominal Capacity
Approx. Weight
Terminals
Internal Resistance
Max. Discharge Current
Max. Charge Current
Operating Temperature Range
12 V
28.0Ah @ 20 hour rate F.V.(1.75V/cell)
9.7Kg(21.39lbs.)
B1 (Fitting M5 bolt & nut) , T2 and
I1
are optional
10m
(Fully Charged )
UL
CE
IEC61056
JIS C 8702
GB/T 19639
420 A (5 sec.)
8.4 A
Charge 0
o
C~40
o
C(32
o
F~104
o
F)
Discharge -20
o
C~50
o
C(-4
o
F~122
o
F)
Storage. -20
o
C~40
o
C(-4
o
F~104
o
F)
ABS(UL94-HB, UL94-V0 is optional)
ISO14001
ISO 9001
Container Material
DIMENSION(mm/inch)
Length
175±1.5 (6.89±0.06)
Width
OUTER DIMENSIONS
TERMINAL TYPE
Terminal T2
Terminal B1
3.4(0.13)
6.35(0.25)
Terminal
I1
M5x0.8
12.0(0.47)
5.0(0.20)
2.0(0.08)
11.0(0.43)
5.5(0.22)
166±1.5 (6.54±0.06)
Container Height
123±1.5 (4.84±0.06)
Total Height
125±1.5 (4.92±0.06)
7.85(0.31)
0.8(0.03)
[M5 BOLT & NUT]
[M5 BOLT & NUT]
Terminal Hardware Initial Torque: B1
(2.5Nm±5%),I1(4.0Nm±5%)
Constant power discharge characteristics at 25 C/77 F
F.V.
(V/cell)
Discharge
Time
o
o
Unit: W
3 Hr
81.6
83.2
84.0
84.8
85.2
5 Min
912.0
1056.0
1120.0
1172.0
1208.0
10 Min
685.6
742.8
769.6
788.0
803.6
15 Min
555.2
581.2
598.8
612.8
624.8
30 Min
334.0
346.8
354.4
359.6
363.2
o
1 Hr
193.6
199.2
202.8
205.6
207.6
o
5 Hr
56.4
57.2
57.6
58.0
58.0
10 Hr
31.44
31.92
32.08
32.16
32.16
2.0(0.08)
20 Hr
16.44
16.80
16.88
16.92
16.92
1.80V
1.75V
1.70V
1.65V
1.60V
Constant current discharge characteristics at 25 C/77 F
F.V.
(V/cell)
Discharge
Time
Unit: A
3 Hr
6.80
6.93
7.00
7.07
7.10
5 Min
82.2
96.9
102.8
107.5
110.8
10 Min
60.4
65.4
67.7
69.4
70.7
15 Min
48.3
50.5
52.1
53.3
54.3
30 Min
28.3
29.4
30.0
30.5
30.8
1 Hr
16.3
16.7
17.0
17.3
17.4
5 Hr
4.70
4.77
4.80
4.83
4.83
10 Hr
2.62
2.66
2.67
2.68
2.68
20 Hr
1.37
1.40
1.41
1.41
1.41
1.80V
1.75V
1.70V
1.65V
1.60V
A/0
REV. Jul. 2009
All data shall be changed without prior notice, BB reserves the right to explain and update the information contained hereinto.
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