As you think, now that most of them have replacement batteries by multiple manufacturers, for example, you can get a 2 pack of 3 millip hour ego batteries for a 100 bucks at 6 million hours. Replacement value from a different manufacturer for Amazon. There are multiple manufacturers that make. 5 AM power 7 aminhour 10 AM hour 64 et. C4A lot of the major companies like ryobi. Cobalt ego etc, so you don't have to buy the manufacturer's battery. You can always buy a replacement for half the price. Or Less