Dewalt DW9116 replacement 7.2V - 18V Universal Charger Charges all DEWALT 7.2V - 18V batteries (except univolt batteries) so users need only one charger Charges the battery in 1 hour or less thus minimizing down time Battery thermal protection system prevents charging batteries that are too hot or too cold. Battery Type Required Ni-Cad/NiMH 30 day Money back Guarantee