Antigravity Atx-20 ReStart 680Ca 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 Re-Start button to start your bike and drive away Re-Start 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 Technical Specs: 680 CA- Cranking Amps at 32 20 Ah- Amp Hours Size: 6.89 long x 3.4 deep x 5.12 high Weight: 3.8 lbs Excellent for every day use in bikes up to 2200cc Note: Please confirm specs and size requirements prior to ordering. We recommend charging and testing all batteries prior to using. Antigravity suggests using a modern voltage regulator from the mid 1980's-Up. Damaged voltage regulators can overcharge and damage batteries.