Fulbat FP12-40FR: sealed standby cell for emergency power 40Ah 12V
Fulbat FP12-40FR, listed for UPS and standby systems. Terminals of the T6 type.
- Nominal voltage: 12V
- Capacity (C20): 40Ah
- Outer measurements: 197 × 165 × 170 mm
- Chemistry: AGM
Quick answer: Put simply: Fulbat FP12-40FR, rated 40Ah 12V, sold for UPS and standby systems. Every figure that decides the fit is in the table below.
Installation and maintenance tips
A small shop's UPS keeps the till running through brief cuts. Run a self-test after the fresh blocks have charged. Heat ages standby batteries faster than anything else.
Fulbat FP12-40FR: dimensions and ratings
| Manufacturer | Fulbat |
| Part number | FP12-40FR |
| Range | FULBAT FP General Purpose |
| Used for | UPS and standby systems |
| Nominal voltage | 12V |
| Capacity (C20) | 40Ah |
| Chemistry | AGM |
| Outer measurements | 197 × 165 × 170 mm |
| Battery weight | 12 kg |
| Layout code | 2 |
| Connectors | T6 |
What AGM means for you
Compression inside the case is part of what makes glass-mat batteries so sturdy. Because nothing can spill, AGM batteries can live inside a cabin, a boot or under a seat. Keep AGM terminals clean and tight.
Same size and layout
If you prefer another make, these fit the same space with the same terminal side.
Fulbat FP12-40Fulbat FPH12-1100WFulbat FP12-50
Your questions answered
Does my charger suit the technology of this battery?
Being a AGM battery, it needs charging voltages suited to that chemistry. Smart chargers with a selectable mode take care of this automatically.
What connector type is fitted to this battery?
It is supplied with T6 terminals. Make sure your existing cables or plugs fit them.
Is the Fulbat FP12-40FR part of a wider range?
It comes from FULBAT FP General Purpose. Other sizes in that series share its construction.
Is this the right replacement for my current battery?
Read the code on your old unit and set it beside FP12-40FR, then check dimensions, terminal layout and electrical ratings on this page. If all of them match, the replacement is equivalent.
Is the Fulbat FP12-40FR right for you?
When the mains drops, the Fulbat FP12-40FR takes over. Rated 40Ah 12V, it matches equipment designed around this code. Every standby battery at baterias.online lists its terminal type.
40Ah is a typical capacity for UPS and standby systems.
Explore more
Prefer to compare first? The links below lead to other options for UPS and standby systems on baterias.online. Measuring the space before ordering avoids a battery that will not sit flat.
Five checks for a perfect fit
- ✓ Stored energy reserve: 40Ah. Going much lower than your current battery can leave you short on cold mornings or long stops.
- ✓ Terminal check: T6. Spade widths and post diameters vary, so match the type exactly.
- ✓ Set your charger to AGM before the first charge.
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BrandFulbat
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Product lineFULBAT FP General Purpose
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Used forUPS and standby systems
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Battery technologyAGM
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Nominal voltage12V
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Capacity, 20-hour rate40Ah
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Length197 mm
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Width165 mm
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Height170 mm
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Weight12 kg
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Layout code2
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TerminalsT6
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