• BT-12V-18A Sealed Lead Acid Battery 12V 18amp

The BT-12V-18A is a 12 volt, 18 amp sealed lead acid, non-spillable, rechargeable batteries. This battery is typically used as a replacement battery in UPS systems, security alarm systems or security lighting applications.


Physical Characteristics
TypeUPS Replacement
Terminal TypeT1
Container MaterialABS(UL-94HB)
Length3 inches [76mm]
Width7.1 inches [181mm]
Height6.6 inches [167mm]
Operating Temperature25±3℃ (77±5℉ )
Internal ResistanceApprox.90mΩ
Max. Discharge Current270A(5S)
Rated Capacity18.0AH (20hr, 1.75V/cell,25℃/77℉)
17.4AH (10hr, 1.75V/cell,25℃/77℉)
17.1AH (5hr, 1.75V/cell,25℃/77℉)
15.5AH (3hr, 1.75V/cell,25℃/77℉)
11.7AH (1hr, 1.75V/cell,25℃/77℉)
Cycle UseCharge Current Less Than 0.25CA
14.1V~14.7V@25℃(77℉)Temp. Coefficient -30mV/℃
Floating UseNo limit on Initial Charging Current Voltage
13.5V~13.8V@25℃(77℉)Temp. Coefficient -20mV/℃
Capacity affected by
40°C 103%
25°C 100%
0°C 86%
-15°C 65%
Self-discharge3 month Remaining capacity: 91%
6 month Remaining capacity:82%
12 month Remaining capacity:65%
Packaging Information
Product Weight11.7 lbs [5.3kg]
Warranty Information
Warranty6 Months

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BT-12V-18A Sealed Lead Acid Battery 12V 18amp

  • Product Code: BT-12V-18A
  • Availability: In Stock