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Robotbirds - LPL-Fe Low Price LifePo4

The alternative modern battery technology to Lithium Polymer for R/C are Lithium Ion Phosphate . We have the high performance M1 cells made by A123 Systems the US company and also the lower cost alternative which are good for applications where the high charge/discharge of the A123 is not needed.

The difference is as follows

LPL-Fe                           A123

Charge                 2c                                4c

Discharge            15c                              30c

Capacity            1200 & 2400             1100 & 2300

The capacity to weight ratio is about the same in the above cells. The cells are about 35% heavier that Lithium Polymer as and you need to up the prop size of cell count to compensate for the difference in lipo/lifePo4 specifications.

On the plus side you get a safer and a longer life pack, which is not as frail as, Lithium packs. For those of you still out there using Nimh packs, consider these as a replacement.

capacity nominal charged diameter length internal min Max Max Max
  volts volts per cell per cell resi. volts Charge Discharge Rec.Amps
1200 3.2 3.65 18 65 35 2 2c 15c 18
2400 3.2 3.65 26 65 9 2 2c 15c 30



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