FG20-12 maintenance free sealed lead acid 12v 20ah battery

VRLA Battery 12V 20AH | Dimension: 181x77x167x167mm

SKU: FG20-12 Category:

GRANKIA FG20-12 maintenance free sealed lead acid 12v 20ah battery is designed to provide sustained power over a long period. It is important to note that although deep cycle batteries can be discharged up to 80%, strongly recommend not discharging below 45% to extend the life of the battery.

Lead–acid batteries are affected by their low temperatures. There is a serious decrease in both energy and power density at ambient temperatures below 10 °C.

FG20-12 maintenance free sealed lead acid 12v 20ah battery

FG20-12 maintenance free sealed lead acid 12v 20ah battery

12V 20AH 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. How long will a 20Ah battery last?

    If a battery is rated at 20Ah capacity at 20HR, it means that the battery can discharge 1 Amp per hour over that 20 hour period. A High Rate Battery will typically be rated at 10HR or less.

  2. How long can a 12V battery run a TV?
  3. Does Ah affect battery life?

    In a broader sense, the amp hour rating does tell us a little bit about the battery’s capacity. For instance, a battery with a 10 Ah rating will last twice as long as a battery with a 5 Ah rating when used under similar conditions, but it does not mean that it will actually last 10 full hours.

 

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Nominal Voltage 12V(6 cells per unit)
Design Floating Life @25℃ 10 Years
Nominal Capacity @25℃(20 hour [email protected],10.50V) 20Ah
Capacity @25℃ 10 hour rate (1.88A,10.8V) 18.8Ah
 5 hour rate (3.57A,10.5V) 17.85Ah
 1 hour rate (13.06A,9.6V) 13.06Ah
Internal Resistance Full Charged Battery@25℃ ≤14.0mΩ
Ambient Temperature Discharge -20℃~50℃
Charge -20℃~50℃
Storage -20℃~50℃
Max. Discharge Current@25℃ 300A(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 6.0A

Voltage 13.6-13.8V

Cycle Use Initial Charging Current Less than 6.0A

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 79.83 52.34 38.43 22.81 16.63 13.06 8.26 5.66 3.77 2.53 2.00 1.057
1.67V 76.05 50.17 37.60 22.43 16.36 12.63 8.11 5.54 3.71 2.48 1.97 1.037
1.70V 72.86 47.43 37.09 22.13 16.16 12.23 7.94 5.46 3.63 2.43 1.95 1.020
1.75V 69.44 45.23 35.11 21.40 15.73 11.86 7.80 5.34 3.57 2.41 1.91 1.000
1.80V 64.12 42.13 32.77 20.54 15.21 11.51 7.51 5.14 3.43 2.34 1.88 0.989

 

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 148.66 100.46 74.29 44.37 32.46 25.69 16.20 11.16 7.47 5.05 4.01 2.109
1.67V 142.46 96.39 72.86 43.74 32.03 24.80 15.91 10.95 7.33 4.98 3.98 2.077
1.70V 136.60 91.17 72.03 43.26 31.71 23.91 15.62 10.75 7.21 4.90 3.95 2.051
1.75V 130.86 87.04 68.34 41.94 30.94 23.03 15.33 10.54 7.06 4.86 3.88 2.009
1.80V 122.00 81.41 63.89 40.40 30.00 22.14 14.72 10.13 6.80 4.73 3.84 2.000