Energizer Ultimate 10,000 mAh USB-C PD & Qi Wireless Portable Power Bank

Woot's All Things Power sale featuring Aduro covers power banks, wireless chargers, and multi-outlet charging stations starting at $14.99. Several items list steep discounts against their reference prices, including a 10,000mAh Aduro power bank and stand at $14.99, down from a $59.99 reference price. The sale runs through August 31. Shop Now at Woot! An Amazon Company

eBay's certified refurbished Anker lineup covers power banks, solar generators, docking stations, chargers, and audio gear at up to 70% off. Even better, you can use promo code "REFURBLOVE" to get an extra 15% off select models. Deals include the Anker SOLIX F1500 portable power station at $489, down from $1,399.99, and smaller items like a 45W USB-C charger block for $13.99. A 2-year Allstate warranty is included with each model. Shop Now at eBay

Today only, this 2-pack of Aukey MixFlex Sling power banks is $29.99, down from $80. Each 10,000mAh bank has a built-in USB-C cable and 30W fast charging, so there's no need to carry a separate cord, plus a digital display shows how much charge is left. Buy Now at Meh

At $35, that's 50% off for a 20,000mAh power bank rated at 190W output, which means it can charge most laptops at full speed alongside your phone at the same time. Prime members can apply coupon code "ODXTJ7F3" to get the discount. Buy Now at Amazon

Best Buy's "50% Off or More" Sales Event covers thousands of items across electronics, gaming, and appliances. Highlights include Skullcandy Crusher Evo wireless headphones at $99.99 and Beats Studio Pro noise cancelling headphones at $169.99. The sale includes open-box and refurbished tech alongside new products from brands like Apple, Samsung, and Sony. My Best Buy members get free shipping on all orders, too (it's free to join). Shop Now at Best Buy

You can take up to 95% off clearance, open-box, and refurbished items in the Best Buy Outlet today. Open-box laptops start at just $62, open-box headphones at $89, and TVs are up to 50% off. Most will ship for free, and some may also be available for pickup. Shop Now at Best Buy

The price of open-box Android phones starts $41 and iPhones at $388 in the Best Buy Outlet. They're all brand-new but just won't ship in their original packaging. Warranty information is available on the individual product pages, and all products ship for free.  Buy Now at Best Buy

Best Buy is offering discounts on open-box Apple products including AirPods, iPads, MacBooks, Apple Watch, and more. Open-box items are customer returns that have been inspected and are available at a discount from their original retail price. My Best Buy members get free shipping. (It's free to join. Shipping is free for everyone over $35. Pickup may also be available.) Shop Now at Best Buy

Charges your iPhone, AirPods, and Apple Watch simultaneously from a single pad, which is useful if you want to clear nightstand clutter without buying separate chargers. At $20, that's $30 off the $50 list price. My Best Buy members get free shipping (and it's free to join). Buy Now at Best Buy

This Energizer 3-in-1 charging stand is $30 off Best Buy's regular price of $49.99. My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best Buy