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COSTCO has 3-in-1 Portable Power Bank & Auto Emergency Tool 2-pack by Winplus for 14.99 + tax. It can be picked up at BM or online. Link.
Link [costco.com]

Item #1195777
Model #AC55925-1

Features:
3-in-1: Portable Power, Power Bank & Emergency Window Breaker
2.1A USB Output with Charging Capability
12V Plug for Car Charging or Micro USB Home Charging
LED Indicator Light Indicates Charged Status