Retailers that sell RIGID power tool batteries include The Home Depot, Direct Tools Factory Outlet and Interstate Batteries, as of 2015. Additional sources for RIGID batteries are Amazon and AliExpress.
The Home Depot sells a full range of lithium ion RIGID batteries and chargers. The Home Depot website features 12-, 18- and 120-volt batteries with 2.0 or 4.0 Amp hour specifications.
Direct Tools Factory Outlet sells new, blemished and reconditioned products direct from tool manufacturers. The website features a wide variety of RIGID 12-, 18- and 24-volt lithium ion batteries and chargers, as well as a 9.6-volt Ni Cad battery and charger.
Interstate Batteries sells power tool batteries from a number of manufacturers including Dewalt, Milwaukee, Ryobi and RIGID.