The BT-12V-3A-B is a 12 volt, 3 amp sealed lead acid, non-spillable, rechargeable battery. This battery is typically used as a replacement battery in UPS systems, security alarm systems or security lighting applications. Note that the positive terminal is located on the left side of the battery.
Application

Specifications
Physical Characteristics | |
---|---|
Type | UPS Replacement |
Voltage | 12V |
Amps | 3A |
Terminal Type | F1 |
Tab Size | 0.1875 inch |
Container Material | ABS(UL-94HB) |
Length | 5.2 inches [133mm] |
Width | 2.6 inches [66mm] |
Height | 2.4 inches [61mm] |
Operating Temperature | 25±3℃ (77±5℉ ) |
Performance | |
Internal Resistance | Approx.40mΩ |
Max. Discharge Current | 60A(5S) |
Rated Capacity | 3.30AH (20hr, 1.75V/cell,25℃/77℉) 3.11AH (10hr, 1.75V/cell,25℃/77℉) 2.79AH (5hr, 1.75V/cell,25℃/77℉) 2.55AH (3hr, 1.75V/cell,25℃/77℉) 1.90AH (1hr, 1.75V/cell,25℃/77℉) |
Cycle Use | Charge Current Less Than 0.25CA 14.1V~14.7V@25℃(77℉)Temp. Coefficient -30mV/℃ |
Floating Use | No limit on Initial Charging Current Voltage 13.5V~13.8V@25℃(77℉)Temp. Coefficient -20mV/℃ |
Capacity affected by Temperature | 40°C 103% 25°C 100% 0°C 86% -15°C 65% |
Self-discharge | 3 month Remaining capacity: 91% 6 month Remaining capacity:82% 12 month Remaining capacity:65% |
Packaging Information | |
Product Weight | 2.7 lbs [1.2kg] |
Warranty Information | |
Warranty | 6 Months |