BC28-12 Datasheet, PDF (1/2 Pages) B. B. Battery Co., Ltd. – Absorbent Glass mat technology for efficient gas recombinatino

VRLA Rechargeable Battery
BC28-12 ^(BC28-12FR)
Measures
Technology
Values
Innovation
FEATURES
Maintenance free(no water topping-up required)
No free acid(Non-spillable battery)
Can be used in any orientation(excluding used inverted)
Absorbent Glass Mat technology for efficient gas recombination
Its design life is up to 5 years in floating application
APPLICATION
UPS
Wheelchairs
Lawn Mowers
SPECIFICATIONS
Electronic Medical Equipment
Golf-Carts
Nominal Voltage
Nominal Capacity
Approx. Weight
Terminals
Max. Discharge Current
Max. Charge Current
Operating Temperature
Range
Self Discharge
Internal Resistance
12V
20 Hour Rate (1400mA, 10.5V)
10 Hour Rate (2660mA, 10.5V)
5 Hour Rate (4760mA, 10.5V)
1 Hour Rate (16800mA,9.3V)
28.0 Ah
26.6 Ah
23.8 Ah
16.8 Ah
7900g(17.42lbs.)
B1 (Fitting M5 bolt & nut) , T2 and I1 are optional
420 A (5 sec.)
8.4 A
Charge
Discharge
Storage
0^oC~40^oC(32^oF~104^oF)
-20^oC~50^oC(-4^oF~122^oF)
-20^oC~40^oC(-4^oF~104^oF)
< 3% per month (25^oC)
14m (Fully Charged )
CONTAINER MATERIAL
BC28-12:
ABS: UL 94-HB (Dark gray color)
BC28-12FR:
ABS: UL 94-V0 (Light gray color)
ISO 9001
ISO14001
UL
IEC61056
GB/T 19639
CE
JIS C 8702
OUTER DIMENSIONS ^mm(inch)
Length (L)
Width (W)
Container Height (H) Total Height (TH)
175±1.5(6.89±0.06) 166±1.5(6.54±0.06) 123±1.5(4.84±0.06) 125±1.5(4.92±0.06)
TERMI NAL TYPE
Terminal B1
Terminal T2
12.0(0.47)
2.0(0.08)
3.4(0.13)
Terminal I1
M5x0.8
[M5 BOLT & NUT]
7.95(0.31)
[M5 BOLT & NUT]
Terminal Hardware Initial Torque:
B1(2.5Nm±5%),I1(4.0Nm±5%)