Data Sheet
WP26-12 12Volt 26Ah
Specifications
Nominal Voltage(V) 12V
Nominal Capacity
20 hour rate (1.3A to 10.50V) 26Ah
10 hour rate (2.47A to 10.50V)
24.7Ah
5 hour rate (4.42A to 10.20V)
22.1Ah
1 C (26A to 9.60V) 14.73Ah
3 C (78A to 9.60V)
10.4Ah
Weight Approx. 9.3kg(20.46Lbs.)
Internal Resistance (at 1KHz) Approx. 9.5 mΩ
Dimensions mm(inch)
Maximum Discharge Current for
5 seconds: 390A
Charging Methods at 25℃(77℉)
Cycle use:
Charging Voltage 14.4 to 15.0V
Coefficient -5.0mV/
℃/cell
Maximum Charging Current
: 7.8A
Standby use:
Float Charging Voltage 13.5 to 13.8V
Coefficient -3.0mV/
℃/cell
Operating Temperature Range
Charge -15℃(5℉) to 40℃(104℉)
Discharge -15℃(5℉) to 50℃(122℉)
Storage -15℃(5℉) to 40℃(104℉)
Charge Retention (shelf life) at 20℃(68℉)
1 month 92%
3 month
90%
6 month
80%
Case Material ABS UL94 HB
Option: Flammability resistance of (UL94 V-0)
Te rmi n al F3
2 4 6 8 10 20 40 60 2 5 6 8 10 20
1
8.0
9.0
10.0
11.0
12.0
13.0
FOR 12V
BATTERY
(v)
Discharge Time VS. Discharge Current (25 )
℃
minutes
hours
Discharge Time
78A
26A
4.42A
2.47A
1.3A
1
1
5
12
+0.3
- 0.5
2
5
.
5
+
0
.
5
-
0
(M5 Bolts)
F3
166 (6.54 )
±±
1
2
5
(
4
.
9
2
)
±
±
2
1
0.08
0.04
2
1
0
.
0
8
0
.
0
4
175 (6.89 )
±±
2
1
0.08
0.04