The Watson Battery Adapter Plate for Casio NP-90 enables you to charge any Casio NP-90 type battery using your Watson Compact AC/DC or Duo LCD Charger.
Watson Compact AC/DC and Duo LCD Chargers feature an interchangeable battery plate system. This economical option allows you to charge many different batteries, all with one charger. Use this plate to expand your charger's compatibility or to replace a lost plate.
Supported Batteries
Casio NP-90 type