(ExpertPower Battery ONLY Drop in) ExpertPower® Desktop Rapid Charger for Kenwood PB-42 PB-42L PB-42Li TH-FTE (ExpertPower Battery ONLY Drop in)

Seems to work. It has a plastic divider you move to fit the size of battery you are charging. It’s the kind of plastic piece that’s really easy to lose. For the price I paid I expected a unit that was a little heavier and designed specifically for these batteries.