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2. Radio-controlled helicopter - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_helicopter

   Recent advancements in battery technology are making electric flying more feasible in terms of flying time. Lithium polymer (LiPo) batteries are able to provide the high current required for high performance aerobatics while still remaining very light. Typical flight times are 4–12 minutes depending on the flying style and battery capacity.

3. Lithium polymer battery - Wikipedia

   en.wikipedia.org/wiki/Lithium_polymer_battery

   Three-cell LiPo battery for RC models. LiPo batteries are now almost ubiquitous when used to power commercial and hobby drones (unmanned aerial vehicles), radio-controlled aircraft, radio-controlled cars, and large-scale model trains, where the advantages of lower weight and increased capacity and power delivery justify the price. Test reports ...

4. Radio-controlled car - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_car

   A Li-Polymer battery with a hard case is popular for RC cars, with the most common voltages being 7.4 V, which represents a 2S battery or 11.1 V, known as a 3S battery. LiPo batteries are known to be explosive if mistreated, so some enthusiasts still use NiMH batteries instead, which are less powerful but safer. For nitro-powered vehicles, a ...

5. Bell UH-1Y Venom - Wikipedia

   en.wikipedia.org/wiki/Bell_UH-1Y_Venom

   Bell UH-1N Twin Huey. The Bell UH-1Y Venom[3] (also called Super Huey) [4] is a twin-engine, 4-blade, medium-sized utility helicopter built by Bell Helicopter under the H-1 upgrade program of the United States Marine Corps. One of the latest members of the numerous Huey family, the UH-1Y is also called "Yankee" for the NATO phonetic alphabet ...

6. Comparison of commercial battery types - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_commercial...

   This is a list of commercially-available battery types summarizing some of their characteristics for ready comparison. ... LiPo (LCO) 3.7V: 5–10%/month: No: 500 ...

7. Battery eliminator circuit - Wikipedia

   en.wikipedia.org/wiki/Battery_eliminator_circuit

   Battery eliminator circuit. In battery-powered equipment, a battery eliminator circuit (BEC) is an electronic voltage regulator used to power a subsystem at a different voltage without the need for a supplemental battery. BECs are commonly used in radio-controlled models, which need separate voltages to power the motor and the RC equipment.