But if you're old NiCad charger dies, you might find yourself wondering if one of the new 18V One+ battery chargers would ...

[Eggmont] was facing this dilemma with a Makita battery from a broken angle grinder and decided to make a USB charger out of it ... so it was fine to use it with the 18V tool battery.

Whatever the case, the change in battery composition means that old Ryobi charges should not be used to charge their Lithium ...