Adapter Converter For Bauer 20V Battery to For Makita 18V BL1830 BL1860 Tools. The Adapter is suitable for Worx 20V 4-PIN OLD STYLE battery interface type tools, can not be for 6-PIN. The top of battery adapter is for Worx Powershare 4-PIN battery cordless power tool：WA3551.1 WA3530 WA3553.
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