1. Nickel -hydride battery can repeat the charging and discharge of more than 500 times, which is very economical;

　　2. The internal resistance is small and can be discharged for large current. When it discharge, the voltage changes very small. As a DC power supply is an excellent battery;

　　3. Because it is completely sealed, there will be no leakage of electrolytes, and there is no need to supplement the electrolyte at all;

　　4. Compared with other types of batteries, the nickel -metalized battery can withstand it to charging or disappearing, and the operation is simple and convenient;

　　5. Placement will not deteriorate the performance after a long time. After the power is charged, the original characteristics can be restored;

　　6. Can be used within a wide range of temperature;

　　7. It is made of metal container, which is mechanically strong;

　　8. Nickel -metalized batteries are completed under very strict quality management, and have excellent quality.

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