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Amazon.com: 18V Battery Chip PCB Board 18650 Battery Charging Protection Circuit Module Board Green Compatible With Makita BL1830 BL1840 BL1850 LXT400
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Bl1830 Li-ion Battery Case Charging Protection Circuit Board Box For Makita 18v 3.0ah 6.0ah Label Led Battery Indicator Bl1860 - Battery Storage Boxes - AliExpress
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