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Battery parts
Battery parts

Battery parts

Battery status indicator

Battery state indicator (electric eye)B401-405
Battery state indicator (electric eye)B401-405
Battery state indicator (electric eye)B401-405
Battery state indicator (electric eye)B401-405

Battery state indicator (electric eye)B401-405

Product introductionBattery state indicator (electric eye), also known as the built-in densitometer, is composed of a transparent plastic tube, a base and a single or two small balls, installed on the battery cover with the help of threads, two different colors of small balls placed in the center of
产品详情

Product introduction

Battery state indicator (electric eye), also known as the built-in densitometer, is composed of a transparent plastic tube, a base and a single or two small balls, installed on the battery cover with the help of threads, two different colors of small balls placed in the center of the hole between the plastic tube and the base, red ball on, green ball in the next.Because the two balls are made of special materials with different densities, they can float up and down as the electrolyte density changes.


Working principle

When the battery is sufficiently charged and the density of the electrolyte liquid phase is high, the two balls float upward to the limit position, the color of the ball is refracted by light, and the results observed from the top of the indicator are red dots in the center and green rings around, indicating that the battery is in good technical condition.


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