Dave,

The Bioenno site shows this 14.6V 2A charger to be the one recommended on their web site. I suspect the supplied 24V chargers were a QC issue in pack out; somebody packed 24V chargers with 12V batteries. Bioenno also sells 24V packs with a compatable charger.

https://www.bioennopower.com/collect...-to-dc-charger

Danny Brotto