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.

Beginner DIYers and experienced woodworkers can both appreciate the major sales Prime Big Deal Days offers on power tools.

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.