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VRLA AGM Battery 12V9Ah

General Features

  • Designed floating charging service life: 12 years (25ºC)
  • Sealed and maintenance free operation
  • Safety valve installation for explosion proof
  • Low self-discharge characteristic
  • Wide operating temperature range from 0ºC~40ºC
  • Lead Aluminum calcium Tin alloy high energy, prevent corrosion

APPLICATION

  • DC power supply
  • UP S /E P S power supply
  • Electrical devices & instruments
  • Security and fire alarm systems
  • Telecom stations and power stations
  • Medical equipments
  • Emergency lighting systems

Physical Specifications

Nominal Voltage Nominal Capacity
(10HR )
Dimension Weight ±3% Internal Resistance
(In full charge status)
Standard
Terminals
L W H TH
12V 50AH 151±2mm 65±2mm 95±2mm 100±2mm Approx2.55kg
(5.62lbs)
≈13.5mΩ F01/F02
(standard)

Dimensions

Constant-Voltage Charge

Rated Capacity
20 hour rate (2.5A) 9.00AH
10 hour rate (5.0A) 8.30AH
5 hour rate (8.5A) 7.45AH
3 hour rate (12.5A) 4.50AH
1 hour rate (27.5A) 3.60AH
Capacity affected by Temperature
40ºC(104ºF ) 103%
25ºC(77ºF ) 100%
0ºC(32ºF ) 86%
Cycle Application
1. Limit initial current less than 2.25A.
2. Charge until battery voltage (under charge) reaches 14.1V to 14.4V at 25ºC(77ºF )
3. Hold at 14.1V to 14.4V until current drop to under 0.054A for at least 3 hours
4. Temperature compensation coefficient of charging voltage is -30mV/ºC
Standby Service
1.Hold battery across constant voltage source of 13.6to 13.8 volts with current
limit2.25A continuously .When held at this voltage , the battery will seek its
own current level and maintain itself in a fully charge status.
2. Temperature compensation coefficient of charging voltage is -18mV/ºC.

NOTE : The battery should be charged within 6 months of storage, Otherwise, permanent loss of capacity might occur as a result of sulfation

Battery Discharge Table

 

End
Voltage (V)
Minute (M) Hour (H)
5 10 15 30 45 1 1.5 2 3 5 8 10 20
Constant Current Discharge Data Sheet (Amperes at 25ºC)
10.20 33.3 21.7 17.0 8.72 6.29 5.40 4.31 3.21 2.42 1.55 1.04 0.853 0.45
10.50 33.0 21.5 16.8 8.59 6.22 5.37 4.23 3.08 2.34 1.51 1.03 0.844 0.455
10.80 32.6 21.3 16.7 8.51 6.15 5.32 4.14 2.96 2.25 1.49 1.02 0.836 0.450
Constant Power Discharge Data Sheet (Watt at 25ºC)
10.20 362 261 211 119.3 86.98 66.17 50.75 38.18 27.25 17.96 12.65 10.24 3.193
10.50 347 252 205 116.8 84.98 65.12 50.01 37.64 26.63 17.75 12.55 10.08 3.151
10.80 329 243 198 113.5 82.82 64.04 49.26 37.10 26.17 17.55 12.42 9.91 3.099

Constant-Voltage Charge