BP28-12 Datasheet, PDF (1/1 Pages) B. B. Battery Co., Ltd. – VRLA Rechargeable Battery

VRLA Rechargeable Battery
BP28-12 ^(BP28-12FR)
Measures
Technology
Values
Innovation
FEATURES
APPLICATION
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).
UPS
Electronic Medical Equipment
Lawn Mowers
Wheelchairs
Golf-Carts
SPECIFICATIONS
Nominal Voltage
Nominal Capacity
Approx. Weight
Terminals
Internal Resistance
Max. Discharge Current
Max. Charge Current
Operating Temperature Range
Container Material
DIMENSION(mm/inch)
Length
175±1.5 (6.89±0.06)
Width
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)}
12 V
28Ah @ 20 hour rate F.V.(1.75V/cell)
9600g(21.17lbs.)
B1 (Fitting M5 bolt & nut) , T2 and I1 are optional
10m (Fully Charged )
420 A (5 sec.)
8.4 A
Charge 0^oC~40^oC(32^oF~104^oF)
Discharge -20^oC~50^oC(-4^oF~122^oF)
Storage. -20^oC~40^oC(-4^oF~104^oF)
ABS(UL94-HB, UL94-V0 is optional)
ISO 9001
ISO14001
UL
CE
IEC61056
JIS C 8702
GB/T 19639
OUTER DIMENSIONS
TERMINAL TYPE
Terminal B1
12.0(0.47) 2.0(0.08)
Terminal T2
3.4(0.13)
Terminal I1
M5x0.8
[M5 BOLT & NUT]
7.85(0.31)
[M5 BOLT & NUT]
Terminal Hardware Initial Torque: B1(2.5Nm±5%),I1(4.0Nm±5%)
Constant power discharge characteristics at 25 ^oC/77 ^oF Unit: W
Discharge
F.V.
Time
(V/cell)
5 Min
10 Min
15 Min
30 Min
1 Hr
3 Hr
1.80V
1012
745
597
355
203.8
81.6
1.75V
1172
807
625
369
209.9
83.2
1.70V
1245
836
644
377
213.7
84.0
1.65V
1301
856
659
383
216.2
84.6
1.60V
1344
874
672
386
218.4
85.1
Constant current discharge characteristics at 25 ^oC/77 ^oF Unit: A
Discharge
F.V.
Time
(V/cell)
5 Min
10 Min
15 Min 30 Min
1 Hr
3 Hr
1.80V
91.2
65.6
51.9
30.1
17.12
6.80
1.75V
107.5
71.1
54.3
31.3
17.64
6.94
1.70V
114.2
73.6
56.0
32.0
17.96
7.00
1.65V
119.3
75.4
57.3
32.4
18.17
7.05
1.60V
123.3
76.9
58.4
32.7
18.35
7.09
All data shall be changed without prior notice, BB reserves the right to explain and update the information contained hereinto.
5 Hr
56.3
57.1
57.4
57.6
57.8
5 Hr
4.69
4.76
4.79
4.80
4.82
10 Hr
31.45
31.92
32.08
32.18
32.18
20 Hr
16.55
16.80
16.88
16.93
16.93
10 Hr
2.621
2.660
2.673
2.681
2.681
20 Hr
1.379
1.400
1.407
1.411
1.411
A/0 REV. Jul. 2009
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