How To Fix A Battery Pack. Open the old lithium battery from the repair shop while taking care not to damage the delicate battery box found inside since it will be used later on in the repair process. Clean it off is there are any water content or frost particles on the battery.
Then take a fully charged battery of the same type and your dead battery and hold the two negative ends so they are touching. It worked OK but the battery runs down quick when left on the shelf too long. Cordless drill lithium-ion batteries show bad or ruined on the charger.
Then remove the cluster of batteries and measure one of the cells.
With your battery pack reassembled and as juicy as new its ready to be put to work. Can a battery pack be replaced after repair. However underlying issues with your portable jump starter such as damaged wires worn-out battery cells and melted connector jacks can be easily fixed at home. Hold them together between the tongs like this for 30 seconds.
