10Pcs 3.6V 1800mAh MAXELL ER6C AA PLC Lithium Battery for Mitsubishi FX F2-40BL | eBay
Amazon.com: BAOBUTE 2Pcs ER6C AA PLC Battery 1800mah 3.6V Original MAXELL Replacement for FX F2-40BL FX1N PLC with Plug, ER6C AA/F2-40BL, 14*50.5mm : Health & Household
Original MAXELL ER6C AA 3.6V 1800mAh AA PLC Battery for FX F2-40BL with Plug - Walmart.com