I have owned and used dozens of higher-capacity battery packs over the years, but sometimes you just need something small to get you through a single day of heavy use. Think of it like a “top off.” If you are heading out for an afternoon away from the office or jumping on a flight, you do not always want to carry a heavy brick. The PISEN 5000mAh wireless power bank is a super lightweight magnetic charger that fits into a minimal everyday carry setup. MagSafe Monday: Every Monday, Bradley Chambers looks at the latest and greatest in the MagSafe and wireless charging industry to help you get the most out of your Apple devices that support wireless charging. Overall, biggest selling point of this PISEN battery is the size. It comes just under 1/3rd pound and is incredibly thin. You can easily snap it to the back of your iPhone and slide the whole thing into your front pocket without looking like you’re carrying a brick.…