VRLA 2V500Ah - Specifications

Nominal Voltage

Nominal Ampere Hour Capacity
@10hr rate to 1.80VPC at 25ºC

Internal Resistance

2V

500Ah

0.20Mili Ohms

Capacity
@ 77ºF (25ºC)

500Ah @ 10 hour rate (50.00A) to 1.80 volts per cell

455Ah @ 5 hour rate (91.00A) to 1.80 volts per cell

411Ah @ 3hour rate (137.00A) to 1.80 volts per cell

304Ah @ 1 hour rate (304.00A) to 1.80 volts per cell

Dimensions

Length

241mm (9.49inches)

Width

171mm (6.74inches)

Height

330mm (13.00inches)

Total Height

367mm (14.45inches)

Weight

33kg (72.6lbs)

Operating Temperature Range

Discharge

-4ºF (40ºC) to +140ºF (60ºC)

Charge

14ºF (20ºC) to +122ºF (50ºC).
(with temperature compensation)

Recommonded Operating Temperature Range

+68ºF (20ºC) to +77ºF (25ºC).

Charging
(Constant Voltage)

Float Voltage

2.25VPC +/- 1% @77ºF (25ºC)

Maximum Charge Voltage

2.40VPC @77ºF (25ºC)

Self Discharge
@ 77ºF (25ºC)

Capacity after 3 month storage

90%

Capacity after 6 month storage

80%

Capacity after 12 month storage

60%

CCB Battery may be stored for up to 12 months at 77ºF (25ºC) and then a freshing charge is required. For higher temperatures the time interval will be shorter.

Capacity affected
by Temperature
(20 hour rate)

104ºF (40ºC)

102%

77ºF (25ºC)

100%

32ºF (0ºC)

85%

58ºF (-15ºC)

65%

Notice: The above data are average values, and could be obtained within 3 charge / discharge cylcles.
These are not minimum values.