The eBike battery: long range, low weight, easy to charge - Bosch eBike Systems
MIGHTY MAX BATTERY 12V 22AH GEL Replaces Xantrex XPower Powerpack 400 Plus Jump Starter MAX3840034 - The Home Depot
Amazon.com : Duracell Portable Power Station 300 Lithium Battery Backup Portable Power Pack for Power Outages, Emergency Kits, Home Electronics, and Outdoor Use (120V/300W) : Patio, Lawn & Garden