Ni Mh Battery Is Now A More Popular And Universal Power Conversion Storage Devic

Ni-MH battery is now a more popular and universal power conversion storage devices

. Now a lot of portable digital products and flashlight have emergency power equipment are in use (AA AAA size most commonly used).

Ordinary high-capacity Ni-MH battery from 1100 ~ 2000HA is the second generation of products, 1400 ~ 1800HA popularity from around 2000, and large-scale use. General charge current between the 0.1C ~ 0.25C, 0.1C charge most stable in the longer life expectancy is generally around ten to twelve years, the charge number of the 500 or so. But by the ability of materials and limit their capacity over time also will reduce the generally around five years under normal use and rapid decline. Before the total attenuation in the 10 ~ 15%. After an average of 10 to 15% on the decay resistance increased significantly reduce the discharge current decreased capacity of some low-quality batteries for more than three years later the situation occurs. But when the capacity dropped to 50% of total capacity will occur when a relatively stable period of this time essentially approaching its service life, and in the months since the discharge had a great time had. Finally the battery internal resistance to its own consumption of large more than the nominal charge current 'electrolyte dries crystal polarization''' when the announcement of its end of life.

2001, the year after next with the continuous progress of chemical materials more and more alloys are applied to the nickel-metal hydride battery, a new generation of high-capacity Ni-MH battery was born. Capacity from 2100 ~ 2700HA Ni-MH battery capacity records are constantly refreshed, red electric current is also continuously improved. From 0.1C ~ 1C charge can even double the current capacity of its own charge. And number of charge cycles have reached 1,000 or more. But the high-current charge at the expense of battery life and recharge their number as a price in return. High-capacity Ni-MH rechargeable battery charging current is the best 50% nominal capacity of charge current for the best. 1C charging if the battery life would then be reduced to one-third of the original capacity of life will be a sharp decrease in the time around 300 could reach the final decay phase. Costly, but the gain is time. Time is money for those people who are still relatively cost-effective. However, high-performance high-capacity does not mean that. Increased capacity led to increased self-discharge, its performance is greatly reduced. Despite improvements to the post but yes too late. After all, everything is relative. Laptop battery

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TOSHIBA Laptop Battery

by: combattery84

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