Black Battery Adapter Without Battery Battery Battery Conversion 18V To 20V Converter Battery Separation AdviceSPECIFICATIONS Brand Name: Keszoox Certification: None High concerned chemical: None Origin: Mainland China Type: Pcb is_customized: Yes Features: *Brand new unused *without battery *This adapter does not support battery charging *When not in use for a long time, please separate the battery from the adapter to avoid damaging the battery. *A: For convert to BL1830 BL1840 battery *B: For convert to 20V battery *C: For convert to 18V elcetric tool *DFor