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Sony Vaio Pcg-721 Laptop Battery

Replacement battery for sony vaio pcg-721: Whether you need a laptop battery for your sony vaio pcg-721 or you just want to get some info of vaio pcg-721 battery,you come to the right palce! The sony vaio pcg-721 battery we supply is high quality , brand new and more powerful,Compatible with: sony pcga-bp1n, sony pcga-bp7, sony pcga-bp71, sony pcga-bp71a, sony pcga-bp71auc, ...

sony vaio pcg-721 battery

product details

Sony Vaio Pcg-721 Battery Feature  
Feature  
Type Li-ion
Capacity 3000mAh
Voltage 14.8V
Dimension 144.30 x 77.00 x 18.70 mm
Net weight 450g
Warranty 12 Months, 30 days money back

Sony Vaio Pcg-721 Battery Compatible Code

Sony Vaio Pcg-721 Battery Fit Laptop Models

How to choose a laptop battery
  1. How to choose a sony vaio pcg-721 laptop battery- realize from Parameter to Cell. What is the biggest difference between laptop pc and desktop pc, I think it is "mobile ". This" mobile "computer depend on wireless network and laptop battery. Therefore it is very important that how to choose laptop battery. As a consumer, the simplest and directviewing method of choose battery for sony vaio pcg-721 is see the quantity of cell. Mainstream laptops standard on 8 cell , 6 cell or 4cell lithium ion battery.the 4 cell battery usual be used in slimmest laptop.
  2. The more the quantity of the cell, the more long it is Battery life.
  3. when choose sony vaio pcg-721 battery, some person pay more attention to the "mAh". mAh is a unit of cell capacity. We can see the sign on Laptop battery says "6 cell 4400mAh" or "4 cell 2200mAh", making it easy to believe that the Battery life depending on the cell capacity, but this is not the case. Now we need realize another parameter : watt hour.(Wh)
  4. relation between Wh with mAh. Wh÷V×1000=mAh
  5. 10.8V 5200MAH 56WH 6CELL battery The important parameters of bettery are Voltage, watt-hour, mAh.
  6. for example: the battery life is diffenrent when an 4800mAh lithium-ion batteries work at different voltage(10.8V, 11.1V) This difference stem from the change of watt hour. 4800÷1000×10.8=51.84（Wh） 4800÷1000×11.1=53.28（Wh） 4800mAh lithium-ion battery work at 11.1V have more advantages than work at 10.8v.