Main Function: This battery adapter is to convert for 18V lithium battery to for 18V PBA lithium battery. Bottom of the Converter: Suitable for 18V series 625367000, 625368000, 321000480, 321000550, 625459000, BS18 LT, SB18 LT, SSD18 LT, SSW18 LT, lithium ion battery.
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