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5S 20A 18/21V Lithium Battery Protection Board Lithium Battery Wrench 21V Lithium Battery Protection Board For Power Tools Multi -Function Protection
Feture Charging : 19/21V Single cell charging : 3.8/4.25V Continuous dischar current: 8-20A Overchar single cell detection : 3.85-4.25V Overchar protection delay: 1S Overchard single cell recovery : 3.75-4.13V Overchar protection release delay: 1mS...
$19.85 Free Delivery
