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2. Keep Your Devices Juiced Up With One of These Portable Chargers

   www.aol.com/keep-devices-juiced-one-portable...

   The best portable chargers, however, add optional (we would argue required) features like fast charging, multiple power ports to accommodate the most popular cable types (including USB-C, USB-A ...

3. The 10 Best Portable Chargers and Power Banks - AOL

   www.aol.com/lifestyle/10-best-portable-chargers...

   In general, the bigger the mAh unit, the larger the battery capacity, and the more power a portable charger can hold and give to your devices. Most smartphones have a battery capacity of between 2 ...

4. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

5. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

6. Battery pack - Wikipedia

   en.wikipedia.org/wiki/Battery_pack

   A portable power bank charging a mobile phone. A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries.

7. Universal charger - Wikipedia

   en.wikipedia.org/wiki/Universal_charger

   Universal charger or common charger refers to various projects to standardize the connectors of power supplies, particularly for battery-powered devices. Since the publication of the USB Power Delivery standard in 2012, and the USB-C connector in 2014, USB-C has become a widespread standard for charging mobile phones.