Antigravity Batteries MICRO START XP-10 Battery Jump Starter & Charger - Back Up Power Supply - S.O.S. Flaslight - JUMPS A DIESEL TRUCK AND CHARGES YOUR LAPTOP BBEWARE: There are Antigravity knock-offs being sold on Amazon. These units will likely fail and are NOT covered under warranty. Billet Proof Designs offers authentic Antigravity Products at the lowest allowable price which means that it will be covered under Antigravitys warranty. If the item is being sold under MAP price $164.99 it is likely a knock-off. Even if it is authentic, it will NOT be covered under warranty. ONLY PURCHASE FROM A SELLER THAT IS OFFERING THE ITEM AT MAP PRICE OR HIGHER CONSUMER REPORTS TOP PICK! The most powerful jump starter on the market! Don't get fooled by Chinese Knock-Offs Will jumpstart up to an 8.0L diesel truck and charge your phone SEVERAL times! Charges a smart phone in 30-60 minutes and other electronics. Built in over-charge and over-discharge protection to avoid harming your battery.