1pcs MAXELL ER6C AA 3.6V 1800mAh PLC Battery for Mitsubishi FX F2-40BL + Plug US | eBay
Amazon.com: SHENYANG (5 Pack) MAXELL ER6C AA 3.6V 1800mAh PLC Battery for FX F2-40BL with Plug : Health & Household
Amazon.com: DSONE 2Pcs Original MAXELL ER6C AA PLC Battery 1800mah 3.6V Replacement for FX F2-40BL FX1N PLC with Plug, red, ER6C AA/F2-40BL : Health & Household