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2. Electric bicycle - Wikipedia

   en.wikipedia.org/wiki/Electric_bicycle

   The energy costs of operating e-bikes are small, but there can be considerable battery replacement costs. 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 ...

3. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries. This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use. The complete nomenclature for a battery specifies ...

4. Electric vehicle battery - Wikipedia

   en.wikipedia.org/wiki/Electric_vehicle_battery

   An electric vehicle battery is a rechargeable battery used to power the electric motors of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV). Electric vehicle batteries account for over 90% of battery use in the energy sector. [1] : 23 They are typically lithium-ion batteries that are designed for high power-to-weight ratio and ...

5. List of electric vehicle battery manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_electric_vehicle...

   Kandi. Navistar. Roewe (EV, PHEV & HEV) BMW (PHEV) Buckeye Bullet. Killacycle. supplies Mercedes-Benz High Performance Engines Formula One racing with parts for kinetic energy recovery system (KERS) supplies also companies in range-extender business like ALTe Powertrain Technologies, VIA Motors extended-range VTRUX.

6. How Much Does It Cost to Replace a Water Heater? - AOL

   www.aol.com/much-does-cost-replace-water...

   And while you can switch, this is largely determined by what kind of power your old system ran on. Gas water heaters cost between $600 and $2,700 to replace, for an average cost of about $1,650 ...

7. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2] The terminal marked negative is the source of electrons that will ...