enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Solar-powered flashlight - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_flashlight

   Other models include features such as a solar cell phone charger, [6] an AM/FM radio, or a siren to call for help in an emergency. Some models include a hand crank dynamo for charging at night. [ 7 ] An experimental solar flashlight the size of a credit card features a white LED powered by 16 solar cells.

3. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   A flashlight or electric torch ... It features a 5 V 2 A USB-C charging port to load 3.7 V 18650 rechargeable lithium-ion batteries. ... a beam intensity of 1000 ...

4. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   Slightly longer than a 14250 due to an integrated Micro-USB receptacle and charging controller. Semi-proprietary, used in FOLOMOV C2 and EDC C2 mini flashlights. 14430: 400–600 [176] 14: 43 Used in solar garden lights, toys, rechargeable shavers (e.g., some Philips/Norelco). [citation needed] 14500 [177] Lithium-ion AA 700–1,000 [178] [179 ...

5. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/wiki/Mechanically_powered...

   A dyno torch, dynamo torch, or squeeze flashlight is a flashlight or pocket torch which generates energy via a flywheel. The user repeatedly squeezes a handle to spin a flywheel inside the flashlight, attached to a small generator/dynamo, supplying electric current to an incandescent bulb or light-emitting diode. The flashlight must be pumped ...

6. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   The energy used to charge rechargeable batteries usually comes from a battery charger using AC mains electricity, although some are equipped to use a vehicle's 12-volt DC power outlet. The voltage of the source must be higher than that of the battery to force current to flow into it, but not too much higher or the battery may be damaged.

7. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   Rechargeable batteries are (re)charged by applying electric current, which reverses the chemical reactions that occur during discharge/use. Devices to supply the appropriate current are called chargers. The oldest form of rechargeable battery is the lead–acid battery, which are widely used in automotive and boating applications.