Bestbuy offers Anker - SOLIX C300X Portable Power Station 288Wh Travel-Friendly & Fast Charge (288 Wh Capacity) - Black for $179 (orig. $249) with free shipping.

Product Description:
Meet the Anker SOLIX C300X: your ultimate companion for outdoor adventures and home backup. This compact powerhouse features 288Wh and 300W output, allowing you to charge up to 7 devices at once. It's 30% smaller than similar models, making it perfect for travel, and recharges quickly—90 minutes via USB-C or 3 hours with solar. With robust LiFePO4 batteries for up to 10 years of use and smart control via the Anker app, the C300X ensures reliable power wherever your journey takes you and provides dependable backup for home emergencies. 

• Ultra Portable Strap Design
  With a compact adjustable strap design, taking travel-friendly power off-grid has never been this easy.
• Massive Charge For All
  With 288Wh, up to 600W output, and 8 outlets (including 140W Input/Output), the SOLIX C300X ensures all your essential devices stay powered during any outdoor adventure.
• 4 Recharging Modes, Anytime, Anywhere
  Charge your SOLIX C300X to 100% in just 68 minutes using wall outlets, or in 3.3 hours with solar panels. For quicker charging, the 140W USB-C PD port can achieve a full charge in just 2.4 hours.
• 140W Two-Way Fast Charging
  Rapidly power up your devices and the station itself with Anker SOLIX C300X 140W Two-Way Fast Charging capability - Use the single USB-C cable to power your devices and recharge the station. A perfect travel-ready, simple solution for fast, efficient energy on the go.
• 100W Solar Recharging
  Harness the power of the sun with lightning-fast 100W solar recharging, making off-grid power more accessible than ever.
• Smart App to Control Your Power
  Customize your power exactly how you want on the go-with the smart app. You can also check the status of this power station using Wi-Fi or Bluetooth.
• Reliable and Long-Lasting
  This power station features LiFePO4 batteries with 3,000 cycles, ultra-durable electronic components, a smart temperature control system that monitors up to 100 times per second, and an impact-resistant structural design. Altogether, the portable power station is built to last over a decade.