The Greenworks 24V lithium-ion platform powers over 50 indoor and outdoor products . including lawn mowers . blowers . string trimmers . chainsaws . power tools . and more! The 24V lithium-ion battery provides 20% more power and 35% more run-time . and delivers fade-free power with no memory loss after charging. The outdoor power equipment allows you to tackle up to 1/4 acre with the available 1.5Ah . 2Ah . and 4Ah batteries. USB ports are integrated into the BAG711 . BAG708 . and BAG709 batteries . making it a portable charger for phones . tablets . and other compatible electronic accessories. The Greenworks 24V platform comes with a 3 year tool / battery warranty to protect your investment