First of all, we in the choose and buy notebook computer in addition to should pay attention to the types of battery outside, still should pay attention to the capacity of the Dell Inspiron 15R battery and the actual use of time. Generally speaking, the life time of the battery best more than 3 hours, to meet the needs of daily mobile office. At present, the notebook computer of lithium polymer battery manufacturers capacity general for 3000 ~ 4500 mah, also have a few equipped with the capacity of 6000 mah. The higher the score, in the same configuration of the using time is longer. Secondly, the quality of the Dell Studio 1535 Battery must cause the attention of consumers, because each big notebook computer manufacturers polymer battery have for battery quality not beautiful met trouble: DELL (DELL) company was for notebook computer batteries short-circuit lead to fire accident, have to 27000 pieces of notebook computer batteries full recovery; COMPAQ (COMPAQ) companies also have recovery and replacement of about 55000 and part of notebook computer together with the sale of the battery components, polymer lithium battery causes and dell similar events.

At last, we buy laptop computers, be sure to pay close attention to the battery manufacturer to provide what kind of warranty? The battery is the notebook computer all parts of the warranty period of the shortest accessories, most only guarantee 3 months to half a year, even some simply is not among the warranty, the warranty time nearly a year of battery few and far between. Therefore polymer lithium ion battery before consumer is buying a laptop computers must ask battery warranty time and condition, after all, notebook computer batteries of the price does not poor.
Attention to the above three principles, then we to see different Dell Inspiron 9400 battery should be paid attention to when the choose and buy what aspects.