Jump start dead lithium ion cordless drill battery

Dead DeWalt 20v lithium ion battery brought back to life in 5 minutes using spare battery, some wire, a few connectors, a multi meter, a pair of dikes and that's it. Should work w nickel cadmium ni-cad 18v black and decker, ryobi, ridgid, milwaukee, bosch; positive to positive, negative to negative

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