Yes, you can often revive a deeply discharged lithium-ion battery at home, as long as it isn't damaged. Use a slow charger to gradually recharge the battery. If the battery is swollen or visibly damaged, do not attempt the revival. The feasibility of repair depends on various factors, including the type of battery, extent of degradation, and the expertise of the repair technician. Next, check for. These tools and accessories are essential for taking care of your batteries, and while they won't always restore a completely dead battery, they can keep them running longer or help avoid premature death. In such conditions, you only have two options to choose. Capacity recovery: This involves using a specialized charger to.