Antigravity ReStart Lithium Ion Battery The Antigravity Lithium-Ion is a hi-power, lightweight battery, built with our groundbreaking Restart Technology so you won't ever get stranded with a dead battery again! Features: No need for jumper cables, just simply press the Restart button to start your bike and drive away Restart technology intelligently monitors the voltage and will put itself to sleep if it senses over-discharge Offers a full onboard Battery Management System (Bms) including functions such as lithium cell balancing, low-voltage cut-off, over-discharge/over-charge and temperature protections Shock and vibration resistant making them perfect for racing Does not contain acid or heavy metals such as Lead, Cadmium, or Mercury making them a more environmentally safe Includes ReStart key fob remote