No Standalone lithium batteries are sold with the product LED technology, impervious to shock, with a 50, 000 hour lifetime Lithium Ion battery is rechargeable up to 1000 times; fully recharges in 3 hrs 3 Light Modes and Strobe: High: 615 Lumens; Medium: 320 Lumens; Low: 160 Lumens Run Time: High: 1.25 hours; Medium: 2.5 hours; Low: 4.5 hours; Strobe: 3 hours