We test and write about power stations and portable chargers year-round, cross-reference our own recommendations, and then use price-tracking software to make sure everything we recommend is genuinely a good deal.

Keeping large gadgets like laptops and tablets charged while you’re on the go can be a chore, but Anker’s 24,000mAh 3-Port Laptop Power Bank proves that it doesn’t have to be. Right now, you can get the three-port power bank 40% less than usual thanks to Amazon’s Prime Big Deal Days sale.

Amazon’s Prime Big Deal Days sales event is here and there are tons of great deals to be found on chargers and power banks. This year, Prime Big Deal Days runs from October 8 through October 9, and will include some great bargains.