| Lithium Polymer (LiPo) Batteries |
| Almost all radio controlled helicopters use Lithium Polymer (LiPo) batteries (yes even nitro's). They are much better then the older Ni-MH batteries, they are lighter, hold charges longer and deliver power to the electronic accessories more efficiently. LiPo's can be very dangerous if mistreated. LiPo's can catch fire if "punctured" or "over charged". But with a bit of common sense they are safe and will give you no problems. LiPo's have a long life span when taken care of. This means you never want to "over-discharge", discharging the battery too low can cause permanent damage to the individual cells in the pack. They make "Low Voltage Alarms" that will allow you to monitor the voltage of the battery while it is still plugged into the heli. Some newer Transmitters even have the ability to show you the voltage of your battery on their Digital displays. You should also regularly "Balance" the battery cells, This just means you make sure all the cells in the battery pack have the same voltage. Most newer chargers do this automatically while charging. A quality battery charger will also help to lengthen the life span of your batteries. Here are some basic guidelines to follow. ~Read the manufacturers guidelines for caring for your batteries. ~Always Charge your batteries at 1C unless the battery is rated for higher charge rates. ~Never, ever leave your batteries unattended while charging. ~Never "overcharge" the batteries, they can catch fire if you do. ~Do not "over discharge" your batteries below 3.7v per cell (some go to 3.2v). ~When possible, balance charge your batteries, they will last longer. |
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