PleaseI need to purchase replacement batteries for my remote control. Boat model number is 100-4060 11.1 V 2600mAh 28.86Wh rechargeable LIPO battery

What kind of an unexpected era are we talking about? The **bleep** boat wonâ€™t run without a battery I need a couple replacement batteries for my arrow RC boat. Why is it? I canâ€™t find the replacement batteries. Period. Bonnie gone