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2. Electric bicycle - Wikipedia

   en.wikipedia.org/wiki/Electric_bicycle

   The lifespan of a battery pack varies depending on the type of usage. Shallow discharge/recharge cycles help extend the overall battery life. Range is a key consideration with e-bikes, and is affected by factors such as motor efficiency, battery capacity, efficiency of the driving electronics, aerodynamics, hills and weight of the bike and rider.

3. Battery pack - Wikipedia

   en.wikipedia.org/wiki/Battery_pack

   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. A power bank contains battery cells and a voltage converter circuitry.

4. Electric vehicle battery - Wikipedia

   en.wikipedia.org/wiki/Electric_vehicle_battery

   The battery pack also contains a variety of temperature, voltage, and current sensors. Collection of data from the pack sensors and activation of the pack relays are accomplished by the pack's battery monitoring unit (BMU) or BMS. The BMS is also responsible for communications with the vehicle outside the battery pack. [79]

5. Charging station - Wikipedia

   en.wikipedia.org/wiki/Charging_station

   Tesla showed that a battery swap with the Model S took just over 90 seconds. [101] [109] Elon Musk said the service would be offered at around US$60 to US$80 at June 2013 prices. The vehicle purchase included one battery pack. After a swap, the owner could later return and receive their battery pack fully charged.

6. 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.

7. NFL playoff watchability rankings: Which wild-card game is best?

   www.aol.com/nfl-playoff-watchability-rankings...

   The NFL's six wild-card games feature some potentially entertaining affairs – and maybe a few duds along the way to boot.