3.7V 600mAh LiPo USB charging/storage question
Understanding RC LiPo Batteries
THE 80% RC LIPO BATTERY RULE TO THE RESCUE!
A very good rule to follow here is the "80% rule". This simply means that you should never discharge a LiPo pack down past 80% of its CAPACITY to be safe. For example, if you have a 2000 mAh LiPo pack, you should never draw more than 1600 mAh out of the pack (80% x 2000). This is assuming a healthy pack as well that has the full 2000 mAh capacity (as packs age, their capacity drops).
This again is where computerized chargers pay for themselves many times over so you can see how much capacity the battery takes allowing you to adjust your flight times accordingly to stay within that 80% rule to get the most life out of your pack.
If you don't have a computerized charger to confirm the amount of capacity, another good indicator is to measure the open circuit voltage (no load voltage) of the pack or individual cells right after a flight/drive with a digital volt meter or other similar digital voltage measuring device. An 80% discharged LiPo cell, will give an approximate open circuit voltage of about 3.74 to 3.75 volts.
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