550 BOOST Jump Starter and Power Unit with Quick Charge and Wireless Charging Features ultra rugged design with 15 percent more power than the previous 550 model for use on a majority of V8 gas powered engines and many small diesel engines wireless charging dock for Qi-enabled mobile devices quick charge output for faster device charging rugged jump start clamps with copper inserts and anti-spark protection jump starting cables detach for true portable power auto shutoff feature to conserve battery life bright, multi function LED flashlight includes:: boost power unit smart start cables storage pouch USB to Micro USB cable user manual specifications: peak amps: 400 battery capacity: 37 Wh dimensions: 6.5 x 3.375 x 1.25 inches (unit) dimensions: 7.68 x 4.13 x 4.13 inches (packaged) weight: 0.98 pounds (power unit) / 1.76 pounds (packaged) limited warranty information: Save proof of purchase, such as a dated store receipt, to establish warranty period. Without a dated receipt, we will use the manufacturing date code. This warranty for the AllStart Jumper Packs is extended to the original purchaser or user, and it covers defects in materials and workmanship for one year. For malfunction due to defects in materials or workmanship prior to 6 months from the purchase date, we will repair or replace the unit at our discretion after inspection. NOTE - The Battery is covered under separate terms. The Battery will be prorated monthly, over one year, from the end of the first month to the end of the twelfth month. This applies only to batteries which have NOT been misused or abused. Typical failure modes of misused or abused battery are melted terminals or signs of overcharging. This warranty is invalidated if any of the following occurs, but not limited to this list: Failure to follow instructions in the User's Manual Accidental and / or unreasonable use or misuse Mishandling Over Charging or Overloading Extended storage without recharging Repairs by an un-authorized person or modification Normal wear or accident. This warranty is in lieu of all other express warranties. AllStart LLC. will not be liable for consequential or incidental damages. Some states do not allow limitations on warranties. In such case the above limitation may not apply