The Watson Battery Adapter Plate for NP-20 enables you to charge any Casio NP-20 type battery using your Watson Compact AC/DC or Duo LCD Charger.
These chargers feature an interchangeable battery plate system, providing an economical option that allows you to charge many different batteries in one unit. Use this plate to expand your charger's compatibility or replace a lost plate.
Supported Batteries
Casio NP-20 type