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FG18-12 valve regulated sealed lead acid 12v 18ah battery

VRLA Battery 12V 18AH | Dimension: 181x77x167x167mm

SKU: FG18-12 Category:

GRANKIA FG18-12 valve regulated sealed lead acid 12v 18ah battery has been specifically designed for general purpose and standby applications. Lead acid 12v 18ah battery offers excellent performance in a wide range of applications. It is including security and fire systems, medical devices, emergency lighting and UPS systems.

The grid structure of the lead acid battery is made from a lead alloy.  This battery is a premier, general duty sealed lead-acid battery using absorbent glass mat (AGM) technology to suspend electrolyte in a leak-proof, maintenance-free design.

FG18-12 valve regulated sealed lead acid 12v 18ah battery

FG18-12 valve regulated sealed lead acid 12v 18ah battery

12V 18AH Battery Features

  • Low internal resistance allowing them to stand deep discharge currents
  • Capable of high discharge rates.
  • Heavy Duty Grids
  • Long service life
  • 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

Lead Acid 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

Sealed Battery Details

Reliable and high performance lead acid battery

small lead acid battery terminal

AGM lead acid battery in series or in parallel connection

AGM Battery Characteristics

Lead Acid Battery Discharge Characteristics Lead Acid Battery Charging Characteristics
Lead acid battery effect of temperature on capacity Lead acid battery self discharge characteristics
Lead acid battery relationship for open circuit voltage and residual capacity Lead acid battery the relationship for charging voltage and temperature
Lead acid battery floating life on temperature Lead acid battery cycle life on DOD

12V Battery FAQ

  1. What does 18Ah mean on a battery?

    An 18 Ah battery can produce a current which, when multiplied by the time (in hours) the battery can supply it, equals 18.

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  2. How long will a 12v 18Ah battery last?

    So your 12V 18ah battery is actually a ~216 watt hour battery. Watts=Amps×Volts, so Amps taken by the bulb = 25/12= 2.1 Amps. The battery will power the bulb 18/2.1 hours=8.57 hours approximately.

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  3. What are 12V 18ah batteries used for?

    The 12V 18.00Ah battery offers excellent performance in a wide range of applications including security and fire systems, medical devices, emergency lighting and UPS systems.

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    Nominal Voltage 12V(6 cells per unit)
    Design Floating Life @25℃ 5 Years
    Nominal Capacity @25℃(20 hour rate@0.90A,10.50V) 18Ah
    Capacity @25℃ 10 hour rate (1.69A,10.8V) 16.9Ah
     5 hour rate (3.21A,10.5V) 16.05Ah
    1 hour rate (11.75A,9.6V) 11.75Ah
    Internal Resistance Full Charged Battery@25℃ ≤17.0mΩ
    Ambient Temperature Discharge -20℃~50℃
    Charge -20℃~50℃
    Storage -20℃~50℃
    Max. Discharge Current@25℃ 270A(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 5.4A

    Voltage 13.6-13.8V
    Cycle Use Initial Charging Current Less than 5.4A

    Voltage 14.4-14.9V

     

    Discharge Constant Current per Cell (Amperes at 25°C)

    F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h
    1.60V 71.85 47.11 34.59 20.53 14.97 11.75 7.43 5.09 3.39 2.28 1.80 0.951
    1.67V 68.44 45.15 33.84 20.19 14.73 11.37 7.30 4.99 3.34 2.23 1.78 0.933
    1.70V 65.57 42.69 33.38 19.92 14.54 11.01 7.15 4.91 3.27 2.19 1.75 0.918
    1.75V 62.50 40.71 31.60 19.26 14.16 10.67 7.02 4.81 3.21 2.17 1.72 0.900
    1.80V 57.71 37.92 29.49 18.49 13.69 10.36 6.76 4.63 3.09 2.11 1.69 0.890

    Discharge Constant Power per Cell (Watts at 25°C)

    F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h
    1.60V 133.79 90.41 66.86 39.93 29.21 23.12 14.58 10.04 6.73 4.54 3.61 1.898
    1.67V 128.21 86.75 65.57 39.37 28.83 22.32 14.32 9.86 6.59 4.48 3.58 1.869
    1.70V 122.94 82.05 64.83 38.93 28.54 21.52 14.06 9.67 6.49 4.41 3.55 1.846
    1.75V 117.77 78.34 61.51 37.75 27.85 20.73 13.80 9.49 6.36 4.38 3.49 1.808
    1.80V 109.80 73.27 57.50 36.36 27.00 19.93 13.25 9.12 6.12 4.26 3.45 1.800

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