Data Sheet

WP2.9-12T 12Volt 2.9Ah
Specifications
Nominal Voltage(V) 12V
Nominal Capacity
20 hour rate (0.145A to 10.50V) 2.9Ah
10 hour rate (0.276A to 10.50V)
2.755Ah
5 hour rate (0.493A to 10.20V)
2.465Ah
1 C (2.9A to 9.60V)
1.643Ah
3 C (8.7A to 9.60V)
1.16Ah
Weight Approx. 1.19kg(2.62Lbs.)
Internal Resistance (at 1KHz) Approx. 33 mΩ
Dimensions mm(inch)
Maximum Discharge Current for
5 seconds: 43.5A
Charging Methods at 25℃(77℉)
Cycle use:
Charging Voltage 14.4 to 15.0V
Coefficient -5.0mV/
℃/cell
Maximum Charging Current
： 0.87A
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 F1 or F2 (Faston Tab 187 or 250)
9
9
1
(
3
.
9
0
0
.
0
4
)
±
±
1
0
7
1
(
4
.
2
1
0
.
0
4
)
±
±
79 1(3.11 0.04) ±±
56 1(2.20 0.04) ±±
4
.
7
5
(
0
.
1
9
)
0
.
8
(
0
.
0
3
)
F1
6
.
3
5
(
0
.
2
5
)
0
.
8
(
0
.
0
3
)
F2
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
8.7A
2.9A
0.493A
0.276A
0.145A