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2. Electric bicycle - Wikipedia

   en.wikipedia.org/wiki/Electric_bicycle

   An Electric Pusher Trailer is an e-bike design which incorporates a motor and battery into a trailer that pushes any bicycle. One such trailer is the two-wheeled Ridekick. Other, rarer designs include that of a 'chopper' styled e-bike, which are designed as more of a 'fun' or 'novelty' e-bike than as a purposeful mobility aid or mode of transport .

3. Battery balancing - Wikipedia

   en.wikipedia.org/wiki/Battery_balancing

   Battery balancing and battery redistribution refer to techniques that improve the available capacity of a battery pack with multiple cells (usually in series) and increase each cell's longevity. [1] A battery balancer or battery regulator is an electrical device in a battery pack that performs battery balancing. [ 2 ]

4. Battery pack - Wikipedia

   en.wikipedia.org/wiki/Battery_pack

   Lead-acid automobile battery pack consisting of 28 Optima Yellow Tops Lithium-ion battery pack for Lucid Motors. A battery pack is a set of any number of (preferably) identical batteries or individual battery cells. [1] [2] They may be configured in a series, parallel or a mixture of both to deliver the desired voltage and current. The term ...

5. 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.

6. Electronic gear-shifting system - Wikipedia

   en.wikipedia.org/wiki/Electronic_gear-shifting...

   The switches send signals through a wiring harness to a battery pack, placed near the bottom bracket. The rechargeable lithium-ion battery pack supplies power to the derailleur motors, which move the derailleurs via worm gears. Shimano estimates that their 7.4-volt battery pack can last up to 1,000 kilometres (620 mi) per charge. [14]

7. Charitable giving is up: Here's what to know about donating ...

   www.aol.com/finance/charitable-giving-heres-know...

   Americans made $3.6 billion in charitable donations this week — a double-digit increase of 16% from Giving Tuesday 2023’s total of $3.1 billion, according to The GivingTuesday Data Commons ...