The Kitables USB Charger Kit gives you everything you need to build your own portable USB Charger. READY TO TAKE ON THE GO: This portable and lightweight charger is the perfect cell phone charger for charging your iPhone or Android on the go. EASY TO FOLLOW INSTRUCTIONS: Build your own battery pack from scratch following detailed instructions online (visit our website at www.kitables.co to see instructions). THE PERFECT GIFT: Fun, creative, and unique — your portable power bank kit will be a hit! GREAT FOR STEM TEACHING CURRICULUM: Our USB charger kit is a great introduction into solar energy and helps teach and encourage kids to to develop skills in the core disciplines of science, technology, engineering, and math. Battery Charge Time Wall: ~2 hours Phone Charge Time: ~2-3 hours* Build Dimensions: ~ 3”x2.5”x7/8” Weight: 72g or 28 pennies *Charge times vary between devices, operating systems, and other factors. Kit Includes: Laser Cut Wood Box Rechargeable LiPo Battery Micro USB Charging Module USB Booster for Smartphones Switch Wires *Soldering is required to put pieces together. Soldering tools are not included.* In stock! Usually ships within 1 business day.