"No Standalone lithium batteries are sold with the product". POWERFUL LIGHT BEAM - The Mares EOS 10LR Dive Torch is a durable, anodized aluminum scuba diving flashlight offering 1,000 Lumen of brightness; One CREE LED provides a powerful 12-degree beam; The innovative temperature control system allows for use out of the water; This handy and compact dive light is perfect as a back-up MULTIFUNCTION SWITCH WITH 4 MODES - The intensity of the dive flashlight can be adjusted via the waterproof multi-function mechanical switch that commands the torch in 4 different ways: Full power (1st press), approximately 40% power (2nd press), Flash/SOS (3rd press), and Off (4th press); An 'Electronic Lock' prevents accidental switch-on (double click the switch to turn on the torch and change modes) VISUAL BATTERY INDICATOR - This underwater flashlight provides 90 minutes of burn time (at Max Power) ensuring extended use during your underwater adventures; The LED Battery Charge Indicator around the switch displays the battery level when in use which is extremely useful for keeping the battery under control, even during a dive USB RECHARGEABLE - The 10LR scuba dive light incorporates an integrated battery that can be charged anywhere using an included USB charging cable connected to a computer or adapter; The visual LED charge indicator in the USB port helps to easily understand when the battery is fully charged ONE-HAND OPERATION - This scuba diving light features an ergonomic Tubular handle that allows for easy handling with one hand for underwater convenience; An included adjustable wrist strap ensures a more secure and comfortable grip; The light comes with a padded zippered case for increased protection and easy storage