9V batteries are often found in devices that aren’t used very often. If you use a NiCd rechargeable battery you may find it completely discharged by the time you need it. Capacitors on the other ...

Away from the overhead supply, the locomotive is powered by its onboard nickel-cadmium (NiCd) batteries. Earlier this week, RATP confirmed an order for 12 locomotives from Stadler to haul ...

That’s precisely what happened to [Larry G] when the now antiquated 7.2V NiCd batteries used by his cordless drill became too hard to track down. The drill was still in great shape and worked ...