This is the cheapest we've seen the 9Ah FLEXVOLT battery listed so far. It's listed as sold and shipped by Amazon, but that doesn't mean it's an official product. Batteries sold by Amazon are often commingled from other resellers, with Amazon as the distributor.

Slice Hardware has been tracking the price of this battery since August 2024. On Amazon, it's fluctuated in price, between $160 and $180, which is still significantly cheaper than other retailers. Check out the full price history of the DEWALT DCB609 battery.

October was the first time we saw it dip below $160 and spotted it today at the current deal price $125!