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Battery Tips

  1. What is a Battery ?
  2. How to classify the battery ?
  3. What are the differences between Primary Battery and rechargeable battery ?
  4. What causes short lifetime of battery? How to prolong the lifetime of battery ?
  5. Why can't the battery be charged? How to solve this problem ?
  6. What's the reason that causes battery with no voltage or low voltage? How to avoid this problem ?
  7. How to Use Battery ?

Answer:

What is a Battery ?

In science and technology,a battery is a device that stores energy and makes it available in an electrical form.It converts chemical energy into electrical energy,producing an electric current when connected in a circuit. The finished battery is an electrically connected group of cells (wired in series) that stores an electrical charge and supplies a direct current (DC).We usually call finished battery as battery pack and unfinished battery is called as cell.

How to classify the battery ?
  1. Batteries are grouped into following categories:
  2. Alkaline battery
  3. Zincic carbolic battery
  4. Lead-Acid battery
  5. nickel-metal-hydride
  6. nickel-cadmium
  7. Lithium battery
  8. Li-ion battery
  9. Li-polymer battery
  10. Fuel cells
  11. Solar cells
  12. Other types of battery
What are the differences between Primary Battery and rechargeable battery ?

A primary battery is not intended to be recharged and is discarded when the battery has delivered all of its electrical energy. A rechargeable battery is a galvanic battery which,after discharge,is restored to the fully charged state by the passage of an electrical current through the cell in the opposite direction to that of discharge.

What causes short lifetime of battery?How to prolong the lifetime of battery ?

1)Reason:
a.Charger or electro circuit can't be fit for the battery.
b.Overcharge and overdischarge,etc.
c.Battery can't comply with the charging requirement
2)Solution:
a.Use the original charger.
b.Charge the battery after it automatically powers off,then full charge the battery.
c.Avoid erroneous usage of battery, such as heavy pressure, short circuit,fall off and so on.

Why can't the battery be charged? How to solve this problem?

1)Reason:
a.The battery has no voltage.b.There is problem with charger,as it has no output electric current.
b.Low charging efficiency due to external cause.
2)Solutions:
a.Test whether the charger has voltage and output electric current or not.
b.Check if the charger is well contacted with battery.
c.Activate the battery with voltage and current 1.5 time higher then the highest ones of battery.(Use this method only when the battery can't be charged.)

What's the reason that causes battery with no voltage or low voltage ? How to avoid this problem ?

1)Reason
a.No voltage.
b.External shot circuit or overcharge,anti-charge
c.Cells expansion and short circuit caused by direct anode contact and continuous high efficiency electric current overcharging.
2)Solutions:
a.Check if the battery is without voltage or electric current.
b.Avoid short circuit.
c.Avoid collision and pressure among batteries.
d.Charge the battery after it automatically powers off,then full charge the battery.

How to Use Battery ?

1 Normally,a battery pack comes in a very low charge condition and must be fully charged before use.Refer to the user manual of your portable electronic equipment for charging instructions.
2 Store the new battery in a cool and dry place(The suitable temperature is about 15°C)
3 The battery will lose its charge if unused for a long time as its self-discharging.So it is necessary to recharge the batteries after a storage period.
4 Avoid erroneous usage of battery,such as heavy pressure,short circuit,fall off and so on.
5 Should I use up all battery energy before charging? - No,it is better to recharge more often; avoid frequent full discharges.
6 Should the battery be kept charged when not in use? - Best to store at 40% charge or 3.75-3.80V/cell open terminal.Cool storage is more important than state-of-charge.Do not fully deplete battery because Li-ion may turn off its protection circuit.

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