About the Car hea ter ：150W Car Heater Portable Electric Heating Fan Defogger Defroster Demister 12V. Power: 170W. Compatible with 18V B series lithium batteries, such as for BL1850B (197285-8), BL1840B (197270-1), BL1830B (197602-2), BL1430B (197618-7), BL1820B (197487-6).
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