Lithium Upgrade to 18v Black and Decker Single Source Battery Pack - Instructables

Lithium Upgrade to 18v Black and Decker Single Source Battery Pack: I have 2 Black and Decker line trimmers that uses their 18v nicad "Single Source" HPB18 battery pack. Inside are 15 sub-c nicads tab welded in series. The orange battery packs are the high capacity version, black is standard. Stay away fro…

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