Intai never stop R&D new universal nimh battery charger of best price and higher quality. This light, small desktop 18 volt aa battery charger nimh for ni-mh 14.4v 2.2ah battery pack provides for a more cost efficient solution to our customers. The 18V nimh battery charger operates with universal input voltage, and optional universal input plugs are also available for international use. This smart nimh charger is microprocessor controlled to enable precise charging and termination.