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You MUST use a Li Ion charger for Li Ion batteries or the battery will be destroyed and in extreme cases may cause a fire!! Li Ion batteries don't have a memory and the chargers are automatic and won't overcharge the batteries. Li Ion batteries like constant voltage when charging rather than constant current, but you don't need to care about that. Just plug in the charger and forget about it. There is no "fast" charger, but you can charge a 2800 mah battery in just 2 hours which is pretty quick. You can charge between flights at the field while you fill up with gas and enough charge goes in the battery in those few minutes that you can fly indefinitely!

A special charger is required for Li Ion batteries. All brands of Li-Ion chargers are compatible with all brands of Li Ion batteries. I suggest to get rid of all your other batteries and chargers and be done with it!! Li Ion batteries have no memory, so put on charge after every day at the field. All chargers are automatic so just plug them into the cells and forget about them. They will charge up the 7.2v or the 10.8v cells and then automatically cut off. There are many chargers out there though we feel that these are the best values.

You need a special charger for Li Ion batteries. I suggest to get rid of all your other batteries and chargers and be done with it!! Li Ion batteries have no memory, so put on charge after every day at the field. All chargers are automatic so just plug them into the cells and forget about them. They will charge up the 7.2V or the 10.8V cells and then automatically cut off. There are many chargers out there though we feel that these are the best values.

TBM offers TBM Li-Ion batteries and Fromeco Relion Batteries. These batteries are made from the same cells in pretty much the same way, so they are equivalent. If any of these Li-ion batteries is charged past 4.2v per cell it becomes damaged. The higher the voltage the battery is charged to above 4.2v per cell and the amount of times it is charged above 4.2v per cell determine when the battery will cease to operate. When the battery ceases to operate, one or both cells will drop to 0 volts. For TBM and Fromeco Relion batteries the Fromeco Ion Cube is the best charger by far for charging multiple batteries, so we only carry that one. The big advantage of the Fromeco Ion Cube is that there is an optional digital readout which gives you all the statistics you need about the charging process of the battery. Since you can find out actually how much energy goes into the battery, you can calculate how many amps are used per flight and how many flights you have per pack and such. This is very useful information for some people. If you like that kind of info, then get the "brain".