The thinnest MagSafe charger I've tested adds almost no weight to my iPhone

• Baseus' Picogo AM41 power bank is on sale now starting around $20.
• It's a 5,000mAh power bank with a sculpted form that's unobtrusive and exceedingly thin (0.3 inches) and light (3.8 oz).
• The aluminum surface is prone to scratching.

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Talk to any iPhone user about their smartphone experience, and it isn't long before they start talking about battery life -- and not in a good way. Since its release back in 2007, the iPhone's battery capacity has increased three-and-a-half-fold, but it seems like it can never be enough. 

This is why MagSafe power banks have become so popular: you can simply attach one to the back of your iPhone for an instant battery boost. As long as you're willing to put up with the bulk. 

Also: I switched to a ...