How To Fix Lithium Battery Not Charging. Sparks may emit from the battery during this process. This important safeguard also turns the battery off and makes it unusable if over-discharged.

Many times this happens due to a cell within the pack that becomes unbalanced or dead. If the battery is not charging one of the best things you can do is check each of the exterior components of the charging system. If this still does not work please call Black Decker Customer Service at 800-544-6986.
You can fix a dead lithium-ion battery up in few minutes.
For example if your battery is rated at 37 volts and the voltmeter only shows 15 V it may be in sleep mode. Inspect the charging port on the battery contact points on the charger the charger itself and the wires or cables. How to fix battery that wont charge caused by Short battery phenomenon Cause. Again I must warn you that dealing with batteries and electronic devices carries some inherent risk so proceed with caution.
