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Why Are LiPo Batteries So Popular In The World of RC?
LiPo batteries, short for Lithium Polymer battery, are a type of rechargeable battery that has taken the electric RC world by storm, especially for planes, helicopters, and multi-rotor/drone.
They are the main reason electric flight is now a very viable option over fuel powered models.
LiPo batteries have five main things going for them that make them the optimum battery choice for RC planes and even more so for RC helicopters over conventional rechargeable battery types such as NiCad, or NiMH.
RC Li-Po Battery Pros
- LiPo batteries are light weight and can be made in almost any shape and size.
- LiPo batteries have large capacities, meaning they hold lots of energy in a small package (high energy density).
- LiPo's are very good at maintaining a consistent voltage/power output as they discharge. The voltage/power drop however when they are reaching a fully discharged state is very fast (and damaging) when compared to NiCad, NiMh, or PB.
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LiPo batteries have high discharge rates to power the most demanding electric RC aircraft and vehicles. LiPo's also allow for fairly high charge rates so recharging in an hour or less is possible.
- Unlike NiCad or NiMh; LiPo's have no "memory-effect".
In short, Li-Po cells provide high energy storage density to weight ratios. They also give us a consistent voltage output, are capable of safe fast discharges, have quick recharge times, and can be configured in an endless variety of voltages, capacities, shapes, and sizes.
