Anker's latest Prime charging devices have already been discounted by 20 percent

Anker's latest Prime charging devices are already on sale thanks to some handy coupons. The best deals include the laptop-compatible Prime Power Bank (26,250mAh, 300W), which is 20 percent off and down to $184 when you clip the on-page coupon on its Amazon page.

This portable charger delivers a whopping 300W of total output between its two USB-C ports and single USB-A port. Anker says that, thanks to its 140W output (and if you're using a 5A cable), you can top up the battery of an M4 Pro MacBook Pro to 50 percent in 27 minutes and an iPhone 17 Pro Max to 50 percent in 22 minutes. You can keep tabs on what's happening on each port using the display.

This is also the first Anker power bank that supports up to 250W of input recharging by using both USB-C ports simultaneously. This ...