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A rapid positioning and sticking battery pack label device
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A lithium-ion battery pack with discharge function
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A Simple and Intelligent Battery Pack Factory Status Recording Tool
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A battery system that can be expanded in parallel
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Patent certificate for a charging circuit and charging stand
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A kind of lithium battery explosion-proof circuit utility model patent certificate
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A lithium-ion cell voltage equalization device
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Single Nickel Positioning Fixture
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A manual cutting machine device free of size comparison
