These chargers are great. Just pop it onto your keychain and go! USB. There is a built in IC chip so that you can make sure that all of your electronics are protected from short circuiting and from overcharging. (Battery not included)
Best Price Power Bank Charger Battery 18650 External Backup Battery Charger With Key Chain
100% Brand new and high quality. Compatible with: USB charging mobile phones and electronic devices. New rechargeable battery, no memory, more than 500 circle time. Built with IC chip to protect your devices from short circuit, overcharge. Equip with strap, easy to carry. Quantity: 1PC Color: Black, Blue, Yellow, Pink, White, Green Charger only, battery not included.