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 VRLA BATTERIES

AUGUST 2005

VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET

This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to
modification without notice. Contact Panasonic for the latest information.

UP-RW: For standby power supplies. Expected trickle life: 3-5 years
at 25°C, Approx. 5 years at 20°C.
UP-PW: For standby power supplies. Expected trickle life: Approx. 6
years at 25°C, Approx. 10 years at 20°C.

UP-RW1245P1

Specifications

Characteristics

Dimensions (mm)

Discharge characteristics 77°F (25°C)

 (Note)

Duration of discharge vs. Discharge current 

(Note)

Photo/Label for reference only.

(Note) The above characteristics data are average values obtained within three charge/discharge.  Cycles
not the minimum values.
(Note) This battery is designed for high rate discharge and we do not specify 20 hour rate discharge
capacity.
(Note) When specific condidtions are satisfied, this battery can be used for main power supplies.  Please
consult Panasonic.

Terminal type: Faston 250

Battery case resin: Standard (UL94HB) Color is black.

Optional (UL94V-0) Color is grey.

2.508 (63.7)

190 (7.5)

65.15 (2.57)

2.539
(64.5      )

+

-

1.0
0.5

  1.89 (48)

 0.012 (0.3)

3.701

(94       )     

+

-

1.5

0.5

5.913 (150.2)

5.945
151       

+

-

1.5
0.5

0.059

0.020

+

-

0.059 0.020

+

-

0.059

0.020

+

-

 

Please contact Panasonic for availability on optional items.  Optional items may be subject to

minimum order quantities.

13.8
13.2
12.6
12.0
11.4

 10.8

10.2

9.6
9.0
8.4
7.8

0    1    

2         

4      6   8  10        20        40    60        100      200

27A

9A

2.25A

Duration of discharge (minute)

14.4

80

Terminal voltage(V)

1,500

300

100

30

10

3

1,000

1,200

5

50

500

Dur

ation of discharge (Min

ute)

Discharge Current (A)

0.2

0.5

1

3

5

10

30

50

100

40˚C

25˚C

0˚C

-15˚C

Nominal Voltage

Nominal Capacity

(watts/cell at 10 minute rate)

12V

45W/2V

5.945 inches (151.0 mm)

2.540 inches (64.5 mm)

3.702 inches (94.0 mm)

3.997 inches (101.5 mm)

5.738 lbs. (2.6 kg)

UP-RW1245P1



UP-PW1245P1

Dimensions

Standard Terminals

and Resin

Optional Terminals

and Resin

Length

Width

Height

Total Height

Approx. mass

UL94HB Faston 250

UL94V-0 Faston 250

Capacity 

(note)

77˚F (25˚C)

(9.6V Cutoff)

Self discharge

77˚F (25˚C)

102%
100%

85%
65%

30 minute rate
15 minute rate
10 minute rate

5 minute rate

112W
195W
268W
410W

Internal resistance

Fully charged battery

77˚F (25˚C)

Residual capacity

after standing 3 months

Residual capacity

after standing 6 months

Residual capacity

after standing 12 months

91%

82%

64%

Approx. 21m

1.35 A or smaller

Initial current

Control voltage

13.6V to 13.8V

(per 12V cell 25˚C)

104˚F (40˚C)

77˚F (25˚C)
32˚F (0˚C)

5˚F (-15˚C)

Temperature

dependency

of capacity

(20 hour rate)

Charge
Method

(Constant

Voltage)

Trickle use

9.6V

10.2V

10.8V

530

490

434

410

390

330

330

315

274

268

258

234

195

193

180

159

156

146

112

111

109

Cutoff

Discharge Runtime at 25˚C

3 min.

5 min.

7 min.

10 min. 15 min. 20 min. 30 min.

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