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About the advantages and disadvantages of lithium battery power tools?

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About the advantages and disadvantages of lithium battery power tools?

Release date:2017-12-29 Author: Click:

advantage:

1, the energy is relatively high. Has a high storage energy density, has reached 460-600Wh/kg, is about 6-7 times the lead-acid battery;


2, long service life, life can reach more than 6 years, lithium iron phosphate is a positive battery 1C (100% DOD) charge and discharge, there are 10,000 records can be used;


3, the rated voltage is high (monomer working voltage is 3.7V or 3.2V), equivalent to about 3 nickel-cadmium or nickel-metal hydride rechargeable battery series voltage, to facilitate the formation of battery power pack; lithium battery power tool can pass a new type of lithium Battery voltage regulator technology, the voltage is adjusted to 3.0V, suitable for use in small appliances.



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4, with high power bearing capacity, including lithium iron phosphate lithium-ion battery for electric vehicles can reach 15-30C charge and discharge capacity, easy to start high-speed acceleration;


5, self-discharge rate is very low, which is one of the most prominent advantages of the battery, generally can be done below 1% / month, less than 1/20 of nickel-metal hydride batteries;


6, light weight, the same volume weight of lead-acid products is about 1/6-1/5;


7, high and low temperature adaptability, can be used in -20 °C - 60 °C environment, after processing, can be used in -45 °C environment;


8. Green environmental protection. No matter whether it is produced, used or scrapped, it does not contain any lead, mercury, cadmium and other toxic and harmful heavy metal elements and substances.


9. Production basically does not consume water, which is very beneficial to China, which lacks water.


Specific energy refers to unit weight or unit volume of energy. The specific energy is expressed in Wh/kg or Wh/L. Wh is the unit of energy, W is watts, h is hour; kg is kilograms (weight units), L is liter (volume units).


Disadvantages:

1. Lithium primary batteries have poor safety and there is a risk of explosion.


2. Lithium cobaltate lithium-ion batteries cannot discharge with large currents and are expensive and have poor safety.


3, lithium-ion batteries need to protect the circuit to prevent the battery from being overcharged and over-discharged.


4. The production requirements are high and the cost is high.


5, there are restrictions on the use of conditions, high and low temperature risk.

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Related tags:Powertoollithiumbattery

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