I have this drill (Bosch PSR 14,4 LI) that works only half of the time. The other half, the only thing that happens is the lights of the battery indicator (all of
banshee Replacement Battery for Bosch 14.4V 1.5Ah Li-Ion Battery For Bosch PSR 14.4 LI / LI-2 Power Drills and ART 23 LI Trimmers
Lithium-Ion to NiCd/NiMh battery conversion , it will work ? Bosch cordless drill 14.4V PSR - YouTube