USB Battery Pack - 2200 mAh Capacity - 5V 1A Output : ID 1959 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Low Current Lithium Ion Battery Pack - 2.5Ah (USB) - TOL-15204 - SparkFun Electronics
USB LITHIUM 3AH LITHIUM RECHARGEABLE BATTERY - RYOBI Tools
Amazon.com: Survival Frog EasyPower USB AA Rechargeable Batteries -1.2V/1450 mAh Long Lasting Double A USB Rechargeable Batteries - Rechargeable Batteries Co. - (4 Pack) : Electronics
USB Flex Charger (Li-Ion & NiMH) – darksucks.com
Amazon.com: EBL USB Rechargeable 9V Lithium Batteries - 5400mWh Long Lasting LI-ion Batteries with Micro Charging Cable - Quick Charge in 2 Hours (4 Pack) : Health & Household
Power Bank With Dual USB - 12V Automobile Jump Starter - AC56388-1| Type S
USB Rechargeable AA Batteries – Survival Frog
Watson Pro 14.4V 98Wh Micro V-Mount Battery with USB-C VM-98-MI
Tripp Lite Portable Mobile Power Bank USB Battery Charger power bank - Li-Ion - USB - UPB-05K2-1U - Office Basics - CDW.com
Acebeam 10A USB Rechargeable 18650 Battery - 3100mAh|AceBeam® Official Store | Flashlights, Tactical Lights
NITECORE NL2150HPR 5000mAh 21700 Battery, USB-C Rechargeable & High Performance
Continuance AA Battery Packs USB Port | WIRED
Milwaukee 48-11-2131 REDLITHIUM® USB 3.0Ah Battery