Lithium battery is a battery made of lithium, the lightest metal with the highest potential.Lithium is an unstable metal.Lithium batteries are ideal for portable devices and toys such as laptops because of their portability and high energy density.But one needs to know the right way to charge a lithium polymer battery.Some steps to keep in mind are as follows: do not leave LiPo/lithium batteries unattended at any time when charging.When the LiPo battery is in the model, never charge it.Hot packaging can ignite wood, foam, plastic, etc.Do not use other Chargers!Use only a charger designed specifically for LiPo batteries, which can apply the "constant current/constant voltage" charging technology (cc/cv ).Do not charge the lithium battery at a current greater than the battery "1C" rating (300 mA or 0.3A).Never let the LiPo battery overheat at any time!Batteries over 140 degrees Fahrenheit (60 °C) during charging can and will usually be physically damaged and may catch fire!!Check the overheated battery frequently, do not re-checkPlease use if you suspect it has been damaged in any way.Do not trickle charge the lithium polymer battery.If the battery starts to swell, stop charging the lithium battery immediately.Expansion can cause the battery to break or leak and cause a fire.Disconnect the battery and place it in a safe fire location for about 30 minutes.Always charge the LiPo battery in a fire-proof location, which can be a container made of metal (such as a bullet box), a tile, or a bucket of sand.There is always a "Class D" fire extinguisher available.To discharge a lithium battery, you need to remember the following points: 1.Always connect the discharge connector of the battery to the electronic speed control or discharge connector.2.If using ESC, please do not connect the balance connector of the battery.It is strongly recommended to use ESC designed to handle low voltage cut-off points for lithium batteries.Please read the instructions for ESC completely before using.The battery is not allowed to discharge below 2.5 V per cell at any time.2.If using the charger, connect the discharge connector of the battery to the balance port on the charger.Do not discharge the battery below 2.5 V per cell at any time.Please read the instructions of discharger completely before using it.Always discharge in a fire-proof place.Monitor the process and always provide lithium-approved "Class D" fire extinguishers.3.Do not discharge at a current of more than 20 C or 5 amps.Failure to do so can lead to overheating and failure of the battery.Do not allow LiPo batteries to exceed 140 °F (60 °C) during discharge ).