Maxell ER6C 3.6V Lithium PLC Battery (3 Pin White Connector)
5pcs MAXELL ER6C AA 3.6V 1800mAh PLC Battery for Mitsubishi FX F2-40BL + Plug 948618470658 | eBay
Amazon.com: 2 Pack PLC Battery Replacement for FX PLC with Plug MAXELL ER6C AA 3.6V 1800mAh F2-40BL : 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