The RYOBI ONE+™ P846 3pc Lithium-Ion Combo Kit [1] delivers more value and performance to the world’s most popular tool system. This best in class combo kit is powered by lithium-ion technology – which provides lighter weight and longer runtimes than ni-cd batteries.
Links:
[1] http://www.moneypit.com/www.ryobitools.com/catalog/18v_oneplus