DeWALT DCB609-2 20v/60v Max 9.0ah Flexvolt batteries pair $192.20 AC @ Ebay
Ebay has a BIN listing for 2 Dewalt DCB609 9.0ah Flexvolt batteries, 2 batteries being DCB609-2, for $239 with free shipping. Combine that with the Paypal memorial day coupon P20MEMDAY for 20% off brings it down to $191.20. More than 10 available but "almost gone". List price on these are $299 but they have been on most sites for $249. Beats the frontpage deal from 2 weeks ago by $58. These batteries are 60v 3ah/20v 9ah.