electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

electrical - How can I figure out cordless drill terminal polarities? - Home Improvement Stack Exchange

I just got this Black and Decker SS18 drill and wanted to run it with my existing batteries but the drill has no polarity markings. Anyway to figure out which terminal is which?

electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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electrical - How can I figure out cordless drill terminal polarities? -  Home Improvement Stack Exchange

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