Amazon.com: SupplySource Global AC/DC Adapter for Casio LK-130 LK-130ES LK-135 LK-136 LK130 LK130ES LK135 LK136 Keyboard Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU : Musical Instruments
Amazon.com: DCPOWER Home Wall AC Power Adapter/AC Adaptor Compatible Replacement for CASIO LK-135, LK135, LK-136, LK136 Digital Keyboards : Musical Instruments
Casio LK-135 LK-136 Keyboard USER GUIDE OWNER'S MANUAL | eBay