Update. The tools are now available at Lowe's, either locally or online. Accessories such as batteries are also available as follows:
1) 20 inch twin blade mower with one 4 Ah and one 2 Ah batteries - $399
2) 19 inch single blade mower with one 4 Ah and one 2 Ah batteries - $349
3) 12 inch dual line string trimmer/edger with one 2 Ah battery - $169
4) 12 inch chainsaw with one 2 Ah battery - $179
5) 8 inch pole saw with one 2 Ah battery - $169
6) 24 inch dual cut hedge trimmer with one 2 Ah battery - $149
7) 240 CFM blower with one 2 Ah battery - $149
8) 40 volt 4 Ah Li-Ion battery pack - $114
9) 40 volt 2 Ah Li-Ion battery pack - $99
10) Battery charger - $49.97
11) 3-pack 20 foot trimmer line spools - $19.97
12) replacement blade set for 20 inch mower - $9.78 (currently out of stock)
13) replacement blade for 19 inch mower - $8.96 (currently out of stock)
There is also a 21 inch 13 Amp corded lawn mower which costs $199. Except for the lawn mowers, the other tools are completely different designs from the comparable Greenworks tools.