FG180-12 vrla agm 12v 180ah solar power battery storage

VRLA Battery 12V 180AH | Dimension: 532x206x215x219mm

SKU: FG180-12 Category:

GRANKIA FG180-12 vrla agm 12v 180ah solar power battery storage is designed for deep discharge applications which can be recharged hundreds of times.

The electrolyte (acid) in AGM batteries is fully absorbed in a sponge-like absorbent glass-mat between plates to prevent spillage, leakage and corrosion.

The 12v 180ah solar power battery storage is a low-cost, highly reliable and efficient, and popular storage choice for power quality, uninterrupted power supplies (UPS), pv power system, and some spinning reserve applications.

FG180-12 vrla agm 12v 180ah solar power battery storage

FG180-12 vrla agm 12v 180ah solar power battery storage

Solar Power Battery Storage Features

1.) AGM technology

AGM stands for Absorbent Glass Mat. In these batteries the electrolyte is absorbed into a glass-fibre mat between the plates by capillary action.

2.) Low self-discharge

Storing batteries at lower temperatures thus reduces the rate of self-discharge and preserves the initial energy stored in the battery.

3.) VRLA technology

VRLA stands for Valve Regulated Lead Acid, which means that the batteries are sealed.

4.) Puncture Resistant Case

Each of the 6 cells within this SLA battery is wrapped in a puncture resistant polyethylene envelope, so even if the outercase is pierced no leakage will occur.

5.) Maintenance-Free Design

Minimises technician time spent at site and on battery related callouts.

6.) Anti Buckle Separators

Internal plate buckling can kill a battery outright or simply reduce its lifespan. Our AGM separators gives the plates extra support to eliminate buckling.

Deep Cycle 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

AGM Battery Details

sealed lead acid battery 12v copper terminalReliable and high performance lead acid battery

AGM lead acid battery in series or in parallel connection

Battery Storage 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

Battery Storage FAQ

  1. What is the best way to store batteries?

    Batteries are best stored in “a cool, dry place at normal room temperature.” That means avoiding any and all areas of the house that are even remotely damp, hot, and humid.

  2. Should you store battery with a fully charged?
  3. Should you remove batteries when not in use?

    DO preserve battery life by switching off a device and removing the batteries when it’s not using. DO practice proper battery storage by keeping batteries in a cool, dry place at normal room temperature.


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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) 180Ah
Capacity @25℃ 20 hour rate (9.63A,10.5V) 192.6Ah
 5 hour rate (31.7A,10.5V) 158.5Ah
1 hour rate (114.8A,9.6V) 114.8Ah
Internal Resistance Full Charged Battery@25℃ ≤3.6mΩ
Ambient Temperature Discharge -20℃~50℃
Charge -20℃~50℃
Storage -20℃~50℃
Max. Discharge Current@25℃ 1600A(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 36A

Voltage 13.6-13.8V

Cycle Use Initial Charging Current Less than 36A

Voltage 14.4-14.9V


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 324.9 191.3 144.9 114.8 67.5 49.7 33.5 29.2 22.9 18.9 9.99
1.67V 306.9 181.3 139.3 111.4 65.3 48.1 32.9 28.6 22.7 18.5 9.90
1.70V 288.2 176.0 134.3 107.1 63.5 46.8 32.2 28.1 22.3 18.4 9.76
1.75V 270.0 168.3 128.3 102.8 61.9 45.7 31.7 27.5 22.0 18.2 9.63
1.80V 253.3 162.2 123.7 99.2 59.6 44.3 31.0 27.0 21.6 18.0 9.54

Discharge Constant Powerper Cell (Watts at25°C)

F.V/Time 15min 30min 45min 1h 2h 3h 5h 6h 8h 10h 20h
1.60V 621.2 380.0 275.2 220.3 128.0 94.9 64.6 56.3 44.6 36.9 19.7
1.67V 594.4 356.2 265.9 214.4 124.6 92.3 63.5 55.4 44.3 36.5 19.6
1.70V 553.9 348.5 257.4 207.0 121.7 90.2 62.6 54.7 43.7 36.2 19.3
1.75V 519.7 331.7 247.1 199.4 118.8 88.4 61.7 53.8 43.2 35.8 19.2
1.80V 487.8 318.2 238.9 193.0 114.8 85.9 60.5 52.9 42.7 35.6 19.0