FG42-12 maintenance free smf lead acid battery 12v 42ah
VRLA Battery 12V 42AH | Dimension: 198x166x174x174mm
GRANKIA FG42-12 maintenance free smf lead acid battery 12v 42ah is no need for checking electrolyte level and topping throughout its life. Since battery emits no gases or fumes, it can be placed adjacent to the UPS system or other electronic equipment, ensuring minimal voltage drop between battery and equipment.
The smf lead acid battery 12v 42ah consists of two electrodes submerged in an electrolyte of sulfuric acid.
FG42-12 maintenance free smf lead acid battery 12v 42ah
SMF Lead Acid Battery Features
- TTP technique, to reduce internal resistance
- Capable of high discharge rates.
- No spills, no leaks, and no water to check
- Long service life in float or cyclic applications
- Absorbed Glass Mat technology (great durability and vibration-resistance)
- High purity raw material
- Maintenance-free
- ABS Containers (UL94HB or UL94V0)
- Minimal self-discharge – ideal for seasonal use
AGM Battery Applications
- Uninterrupted power supply(UPS)
- Automotive and traction applications
- Lighting equipment, fire alarms and security systems
- Communication and telecom system
- Solar energy system
- High current drain applications
- Fire alarms and security systems
- Portable VTR/TV, tape recorders, radios, etc.
- Various power toys and recreational equipment
- Emergency power supplies in power generation plants and substations
- Golf Cart
12v Rechargeable Battery Details
AGM Deep Cycle Battery Characteristics
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Battery 12v 42AH FAQ
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How long will a 12V 42ah battery last?
Between 50°–120°F (10°–49°C), you should be able to get 3-hrs if the battery is new and fully charged.
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What is SMF battery?
SMF (Sealed Maintenance Free) batteries also known as the Value Regulated Lead Acid (VRLA) batteries are the flat plate batteries that do not require topping-up and normally do not emit any fumes or gases on a continuous basis.
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How long can a 12V battery sit unused?
When stored properly out of the car in a secure place, a detached car battery has the chance to last up to six months.
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| Nominal Voltage | 12V(6 cells per unit) | |||
| Design Floating Life @25℃ | 10 Years | |||
| Nominal Capacity @25℃(10 hour [email protected],10.80V) | 42Ah | |||
| Capacity @25℃ | 20 hour rate (2.25A,10.5V) | 45.0Ah | ||
| 5 hour rate (7.4A,10.5V) | 37.0Ah | |||
| 1 hour rate (26.8A,9.6V) | 26.8Ah | |||
| Internal Resistance | Full Charged Battery@25℃ | ≤9.0mΩ | ||
| Ambient Temperature | Discharge | -20℃~50℃ | ||
| Charge | -20℃~50℃ | |||
| Storage | -20℃~50℃ | |||
| Max. Discharge Current@25℃ | 420A(5s) | |||
| Capacity affected by Temperature
(10 hr Capacity ) |
40℃ | 102% | ||
| 25℃ | 100% | |||
| 0℃ | 85% | |||
| -15℃ | 65% | |||
| Self-Discharge@25℃ per Month | 3% | |||
| Charge (Constant Voltage) @25℃ | Standby Use | Initial Charging Current Less than 10.5A
Voltage 13.6-13.8V |
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| Cycle Use | Initial Charging Current Less than 10.5A
Voltage 14.4-14.9V |
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Discharge Constant Current per Cell (Amperes at 25°C)
| F.V/Time | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 6h | 8h | 10h | 20h |
| 1.60V | 75.8 | 44.6 | 33.8 | 26.8 | 15.8 | 11.6 | 7.8 | 6.8 | 5.3 | 4.4 | 2.33 |
| 1.67V | 71.6 | 42.3 | 32.5 | 26.0 | 15.2 | 11.2 | 7.7 | 6.7 | 5.3 | 4.3 | 2.31 |
| 1.70V | 67.2 | 41.1 | 31.3 | 25.0 | 14.8 | 10.9 | 7.5 | 6.6 | 5.2 | 4.3 | 2.28 |
| 1.75V | 63.0 | 39.3 | 29.9 | 24.0 | 14.4 | 10.7 | 7.4 | 6.4 | 5.1 | 4.2 | 2.25 |
| 1.80V | 59.1 | 37.8 | 28.9 | 23.1 | 13.9 | 10.3 | 7.2 | 6.3 | 5.0 | 4.2 | 2.23 |
Discharge Constant Powerper Cell (Watts at25°C)
| F.V/Time | 15min | 30min | 45min | 1h | 2h | 3h | 5h | 6h | 8h | 10h | 20h |
| 1.60V | 144.9 | 88.7 | 64.2 | 51.4 | 29.9 | 22.1 | 15.1 | 13.1 | 10.4 | 8.6 | 4.6 |
| 1.67V | 138.7 | 83.1 | 62.0 | 50.0 | 29.1 | 21.5 | 14.8 | 12.9 | 10.3 | 8.5 | 4.6 |
| 1.70V | 129.2 | 81.3 | 60.1 | 48.3 | 28.4 | 21.0 | 14.6 | 12.8 | 10.2 | 8.4 | 4.5 |
| 1.75V | 121.3 | 77.4 | 57.7 | 46.5 | 27.7 | 20.6 | 14.4 | 12.6 | 10.1 | 8.4 | 4.5 |
| 1.80V | 113.8 | 74.3 | 55.7 | 45.0 | 26.8 | 20.0 | 14.1 | 12.3 | 10.0 | 8.3 | 4.4 |
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