12v 9ah smf Battery for Automatic Door 

Key Specification Battery for Automatic Door

1.Size:151*65*110mm

2.Weight:2.8kg

3.Norminal Voltage: 12v 

4.Norminal Capacity:9ah

5:Terminal:T2

Automatic Door battery features:

- Maintenance free

- High power to weight ratio

- No memory effect

- Low self discharge

- CE certificate

- Long service life

- High discharge rate

- Wide operating temperature range

Applications of Automatic door battery

- Fire protection and security uninterruptible power supply

- Electronic appliance and other backup power supply

- Telephone and telecommunication equipment

- Uninterruptible power supply systems for bank

- Emergency lighting or small lamp fitting

- Electric power system

- Security system

 Products festures of 12v 9ah Automatic door battery

  (1)plate

     Positive and negative plates consist of active mass and a lead-calcium alloy grid structure

  (2)Safty valve

    The safety valve opens when there is an abnormal increase in internal pressure caused by 

overcharging or misusage. Gas is released from the battery to return the pressure back to normal.

  (3)Container and covers

  characteristics. The container and covers are sealed to prevent electrolyte and gas leakage.

  (4)Other parts

     Some other parts of this model,like terminal,case,terminal protector.electrolyte.active materials

 are in good quality.You can check the quality by sample.