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2. 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.

3. Phone Need a Jump? Turn to These Editor-Approved Power Banks

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4. IUoU battery charging - Wikipedia

   en.wikipedia.org/wiki/IUoU_battery_charging

   Example charging graph. On the left: per-cell quantities. On the right: example values for a 40 Ah, 6-cell (12 V) battery. Note: schematic illustration; not based on actual measurements. IUoU is a DIN-designation [1] (DIN 41773) for a lead-acid battery charging procedure that is also known as 3-stage charging, 3-phase charging, or 3-step charging.

5. Smart battery - Wikipedia

   en.wikipedia.org/wiki/Smart_battery

   A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [ 1 ] [ 2 ] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...

6. Save $20: These portable chargers can juice up your phone ...

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   This portable battery pack weighs less than a pound and is small enough to fit in a pocket. The kit even comes with three charging cables, multiple ports — two USB-A and one micro USB — and an ...

7. Aluminium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Aluminium-ion_battery

   Thus, since the ionic radii of Al 3+ (0.54 Å) and Li + (0.76 Å) are similar, significantly higher numbers of electrons and Al 3+ ions can be accepted by cathodes with little damage. [1] [2] Al has 50 times (23.5 megawatt-hours m-3) the energy density of Li-ion batteries and is even higher than coal. [3]