This video demonstrates a simple fix for a Dewalt lithium-ion battery that won't charge. The presenter explains that completely depleted lithium-ion batteries sometimes need to be "reset" to start charging. They show how to use a fully charged battery to transfer a small amount of power to the depleted battery, which should allow the charger to recognize and charge it.
2116475 3 года назад 4:44This video shows how to convert an old Ni-Cd or Ni-MH battery pack to a lithium-ion battery pack. The creator uses reclaimed 18650 cells and a 3D-printed battery holder to create a new battery pack. They also convert the original charger to charge the new lithium-ion battery pack.
1044448 2 года назад 10:03