Battery status indicator

Sold By Xiangyang LianHong Precision Technology Co., Ltd

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pieces

US $2.00

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US $2.00 (not including shipping cost)

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Product Details
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The technical status indicator of battery reflects the technical status of battery according to the principle of optical refraction. When the storage battery is fully charged and the relative density of electrolyte is greater than 1022, the two small balls float upward to the limit position. After the light refracts the color of the small ball, the results observed from the top of the indicator show that the center is a red dot and the surrounding is a blue ring, indicating that the technical state of the battery is good.