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What is an 8D Battery?

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There are lot of battery types available now a days. It is difficult to keep track of each of them. If one wants to pick up a right battery for his/her use then it is necessary to know what different types of batteries represent and what are the advantages/disadvantages of different types. One of the terms that are used with batteries is either they are 4D, 6D or 8D type. The term “D” usually refers to battery size. So, picking up correct size according to user’s need is necessary to avoid different problems or overspending.

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What is 8D Battery

One of the group size batteries is called 8D Batteries. They are some of the largest 12 V battery group available. Some of their general specifications are given as:

  • Dimension : 21” x 11” x 10”.
  • Weight : 130 – 180 pounds.
  • Nominal Voltage : 12.8 V.
  • Current rating : 230 – 300 Ah.
  • Cold Cranking Current : up to 1500 A.

There are two major type of 8D battery type available now a days based on their chemical composition:

  • Lead-Acid 8D Batteries.
  • Lithium 8D Batteries.

Advantages of Lithium Batteries are:

  • Less Weight.
  • Higher rate of Charge and Discharge.
  • More life Cycles.
  • Great Warranty.

However, their main disadvantage is that they cost more.

Application of 8D Batteries:

There is a wide variety of applications where 8D batteries are used due to their high current ratings. Some of the application of 8D batteries are :

  • Off-grid system.
  • Solar System.
  • RV Vehicle.
  • Industrial Vehicles.
  • Marine Boats.

Structure of 8D Lithium Battery

8D Lithium battery consists of 3 parts:

  • Battery Cells
  • BMS
  • Battery Box.

Battery Cells:

The function of battery cells is to store energy during charging and then release it during discharge.

Battery Management System (BMS):

Lithium batteries come with their own battery management system or BMS. It is responsible for management and monitoring of battery. Some of the important functions of BMS include:

  • Balance charge across each cell.
  • Ensure battery operation within safe limits.
  • Maintain optimal operation to maximize battery life.
  • Monitor battery for damage and defects.
  • Monitor battery temperature.
  • Reports battery status to external monitoring devices.

Battery Box:

Battery box protects battery cells. It helps insulate battery from external environment conditions.

How 8D Lithium Battery Works

A battery cell consists of two terminals called Cathode and Anode. Cathode contains negative charge while anode contains positive charge.

When battery is plugged in Lithium ions are released by cathode and received by the anode. While opposite happens during time of discharge where anode releases Lithium ions to the cathode. This generated flow of electrons from one terminal to other.

Group 8D Lithium Battery vs Lead Acid Battery

There is comparison between Lithium and Lead Acid battery:

Battery Weight: Lithium battery weight one third of Lead Acid battery.

Charging Time: Lithium battery is charged far quicker than Lead Acid battery. The charging time of usual 8D Lead Acid battery is 5-10 hours while Lithium battery is charged in 1-2 hours.

Battery Maintenance: Lead Acid battery requires constant maintenance while Lithium batteries are maintenance free.

Depth of Discharge: Lead Acid battery life is greatly reduced when it is pushed to 80-100% DOD reducing its lifespan to 200-400 cycles. While Lithium batteries on the other hand have no influence. At 80-100% DOD they maintain lifespan of 4000 cycles.

Battery Safety: Lead Acid battery contains Sulfuric Acid and Lead, two extremely dangerous chemicals. This can cause hazard if comes in contact with skin or eyes during maintenance. Whereas Lithium battery is sealed and thus maintenance free.

Redway Battery 8D Lithium Batteries

Redway Battery provides a variety of different 8D Lithium batteries for different applications. Out batteries have voltage of 12V with current rating ranging from 230-300Ah. We provide excellent quality product with a robust and efficient BMS system.

We also provide good warranty life up to 10 years for our batteries. If you are looking for good quality 8D Lithium battery then Redway Battery is the place for you.

Visit our website at www.redwaybattery.com. to view our batteries.

 

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