Although some model jets use gas fuel, it is usually too expensive for most fliers. Dealing with a gas model jet is a little like taking care of a motorbike or car engine, which requires regular maintenance to keep it running. If you do not have the time or skill to run a gas engine, then a lithium battery may be a better choice for your model jet kit. Listed below is some basic information about model aircraft lithium batteries.
Temperature
Lithium batteries can be greatly affected by temperature. To create electricity, all batteries create a chemical reaction, so a low temperature can greatly slow down this process. Although a lithium battery will not be harmed by running at a lessened temperature, you will see a significant performance decrease. Freezing these batteries is not recommended, so it is better to store them in a dry and cool location during the winter months.
Flight Time Calculation
To calculate the amount of flying time you will get from a battery, you will need some basic information about the power consumption of your plane. Once you have collected information on the milliamp hours and motor amperage, you can use a specific formula to compute the maximum flight time. This formula is: (motor current) / (battery capacity) = Time (or hours). The capacity must be measured in amps for the formula to work properly.
Cycle Life
There is no definitive answer for how many cycles a lithium battery will last for. The life expectancy will depend on how powerful the aircraft was and how it is used. If you are draining, overcharging, or discharging the batteries, then it will not last as long. If you take good care of them and follow the instructions from the manufacturers, you should expect at least three hundred cycles, or even more.
Performance
Battery Storage can severely affect the performance capacity of your battery, thereby changing its life expectancy. Never store lipos at full charge, but you also should not keep them at minimal voltage. Both of these methods will cause a "rusting" inside the battery, that will decrease its ability to last. The best way to store these devices is at 50% charge.
Recovery
Despite some claims, batteries do not miraculously come to life after being discharged. There are no chargers that can undo the damage of a discharged cell. The best solution is to buy a new battery instead.
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