I tested this cheap 9,000,000mAh battery pack from eBay – here’s my buying advice
Adrian Kingsley-Hughes/ZDNET A power bank boasting a massive capacity of 9 million milliamp hours (mAh) that fits in the palm of your hand, all for just a little over $10, sounds too good to be true, doesn’t it? Well, you know what they say. A reader brought this listing to my attention, questioning the validity … Read more