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   Saphion

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      Saphion are a safe technology, 15 C discharge rate, 25 C burst lightweight (42gms a cell) pack. Charge using standard lithium charger.If you intend using packs in parallel the supplier recommends using cells  from the same production batch.

   Pack weight 134grms, Size / Shape 68mm x 36mm x 36mm (Triangle)

   LiFe Batteries  New Technology Lithium cells known mainly as 'A123' but also 'M1'. The chemistry is Lithium Iron Phosphate which is sometimes abbreviated Li-Fe or Li-FePo4. These cells have most of the good features of both Lithium Polymer and Nicads. More specifically:

* Light enough to be in same league as lipos
* High enough voltage to be almost as good as lipos
* Flat discharge curve better than nicads and lipos
* Non-critical voltage extremes so less likely to be damaged inadvertantly
* Not sensitive to heat like lipos
* Inherently much safer and don't have to be monitored like lipos
* Can be charged quicker than nicads! (15-20 minutes)
* Slightly cheaper than equivalent capacity lipos (if bought as DeWalt power drill packs and re configured into the required voltage / capacity pack.)
* Physically much stronger than lipos to withstand more crashes

Disadvantages:
* Only two sizes currently available (2.3mAh capacity showing most suitable for model use)
* Larger/bulkier than lipos
* Likely to need new chargers and balancers
* Have to consider ESC voltage and BEC implications
* Being marketed with their charge voltage (3.6v) rather than nominal voltage; very confusing for people (eg: both Li-Ion and A123 cells are marketed as "3.6v" but they are not the same measure)

  We currently do not stock these cells but recommend their use if you are not confident using Li-Po packs.

 

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