FUKUDA

The information contained herein is the profile of FUKUDA® Stationary Lead-Calcium Batteries. Although structurally similar as conventional pasted typ...

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FUKUDA STATIONARY

LEAD - CALCIUM BATTEIES

® FUKUDA Storage Battery Co. FUKUDA STORAGE BATTERY CO., LTD

FUKUDA STATIONARY LEAD - CALCIUM BATTERIES Lead-calcium batteries display very important features such as longer service life and easier maintenance when they are put into service as stationary type. The sophisticated and difficult lead-calcium batteries constructions have been solved by our reliable manufacturer after many years of research and development efforts. This means better performance from your FUKUDA® Stationary Lead-Calcium Batteries. The information contained herein is the profile of FUKUDA® Stationary Lead-Calcium Batteries.

Although structurally similar as conventional pasted type stationary lead-acid batteries, in which the plate grids, posts and terminals are made from leadantimony alloy, these batteries feature lead-calcium alloy grids. Although lead-calcium is difficult to handle, the lead-calcium used in our batteries are uniform in quality, which is achieved by a special

process and constantly upgraded facilities. The use of lead-calcium alloy in component parts has already brought many outstanding design features into new batteries, listed below as a stationary type.

1) Long Life

3) No Need to Give Equalizing Charge Ever

While lead-calcium batteries are floated, they are kept in a charged condition at extremely small float charging current as compared to the conventional leadacid types. Further, unlike lead-antimony types, they show no increase of current reading with the lapse of years placed in service and they flow a small current while keeping it constant throughout their entire life. This also ensures little corrosion in the plate grids. Life of lead-calcium types is approximately 1.5 – 2 times longer than the life of lead-antimony types. In turn, this results in a dramatic improvement of conventional battery viability.

Proper float charge voltage of calcium types is 2.17 VPC. In this case, the batteries require gives an equalizing charge of 2.3 to 2.4 VPC every 3 – 6 months. If they have a float voltage set up at a little higher voltage, i.e. approximately 2.25 VPC, they require no equalizing charge. This is recommended if a higher float voltage is permitted by the system equipment.

2) Markedly Time Saving for Water Addition Keeping float charge current low and stabilizing leads to reduce water loss in the electrolyte. Usually, conventional types (vented lead-antimony batteries) require water additions every 6 or 12 months. Calcium types require them every 3 to 5 years. This contributes greatly to man power saving.

4) Less Self-Discharge The self-discharge capacity of lead-calcium types is below one-fifth of that of conventional types. Furthermore, it is stabilized throughout the period of its entire life. This type is best suited to applications such as buoy lights which discharge continuously for an extremely long period of time at a minute current. In addition, applications for solar photovoltaic and wind conversion systems for natural energy storage in which self-discharge are particularly required to be the minimum.

Low-rate Discharge Type Main Applications: Battery Type PS2-2S PS3-2S PS4-2S PS5-2S PS6-2S PS7-2S PS8-2S PS9-2S PS-190S PS-340S PS-450S PS-600S PS-840S PS-1000S PS-1320S PS-1600S PS-1980S Note:

Nominal Voltage (V) 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

Power Station, Sub Station, Communication Equipment and Emergency Power Source Dimensions (mm)

Weight (kg)

Capacity (Ah)

Width

Length

Height

T. Height

Unfilled

Filled

24 36 48 60 72 84 96 108 190 340 450 600 840 1000 1320 1600 1980

131 131 132 132 132 133 133 133 170 170 170 170 170 300 300 300 300

67 67 102 102 102 154 154 154 120 195 285 391 515 280 280 390 390

185 185 185 185 185 185 185 185 325 325 325 325 325 640 640 640 640

229 229 229 229 229 229 229 229 380 380 380 380 380 710 710 710 710

2.0 3.0 3.5 4.5 5.0 6.0 6.5 7.0 13.3 21.1 31.1 44.4 56.6 89.0 110.0 138.5 157.4

3.2 4.1 5.2 6.1 6.5 8.7 9.2 9.6 17.5 28.0 42.0 59.0 76.0 128.0 144.0 192.0 206.0

S.G of electrolyte Floating Charge Voltage

Electrolyte Volume (ℓ) 1.0 0.9 1.4 1.3 1.2 2.2 2.2 2.1 3.4 5.6 9.0 12.0 16.0 32.0 28.0 44.0 40.0

: 1.215 @ ambient conditions : 2.17 VPC

High-rate Discharge TypeType Main Main Applications: Engine High-rate Discharge ApplicationU.P.S : and U.P.S andStarting Engine Starting Battery Type HS-30S HS-40S HS-50S HS-60S HS-80S HS-100S HS-120S HS-150S HS-200S HS-250S HS-300S HS-400S HS-500S HS-600S HS-700S HS-800S HS-900S HS-1000S HS-1200S HS-1500S HS-2000S HS-2500S Note:

Nominal Voltage (V) 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

Capacity (Ah) Nominal 1 Hr Capacity 18 30 24 40 30 50 36 60 48 80 60 100 72 120 90 150 120 200 150 250 180 300 240 400 300 500 360 600 420 700 480 800 540 900 600 1000 720 1200 900 1500 1200 2000 1500 2500

S.G of electrolyte Floating Charge Voltage

Divide 25.39 for (mm) conversion to (in) Divide 0.455 for (kg) conversion to (lb)

Dimensions (mm)

Weight (kg)

Width

Length

Height

T. Height

131 131 131 132 132 133 133 170 170 170 170 170 170 170 170 170 170 170 170 653 653 653

67 67 67 102 102 154 154 120 120 120 195 195 285 285 390 390 390 515 515 280 280 280

185 185 185 185 185 185 185 325 325 325 325 325 325 325 325 325 325 325 325 333 333 333

229 229 229 229 229 229 229 380 380 380 380 380 380 380 380 380 380 380 380 421 421 421

: 1.240 @ ambient conditions : 2.20 VPC

Unfilled

Filled

2.2 2.5 3.0 3.5 4.5 5.5 6.5 8.5 11.0 13.0 16.0 19.5 22.0 25.0 29.0 36.0 40.0 51.0 57.0 77.0 100.0 123.0

3.2 3.5 4.0 5.0 6.0 8.0 9.0 13.0 15.5 17.5 24.0 27.0 32.0 35.0 48.0 51.0 55.0 70.0 76.0 125.0 145.0 165.0

Electrolyte Volume (ℓ) 0.8 0.8 0.8 1.2 1.2 1.9 1.9 3.8 3.6 3.5 6.5 6.0 8.5 8.0 13.0 12.5 12.0 15.5 15.0 39.0 36.0 34.0

Fig. 1 -Float Charge Current Strength of Lead-Calcium & Lead-Antimony Batteries