martcerv said:
Lithium Ion is also much lighter then lipo, its quite likely a 4400mah li io will be quite similar in weight to a 2200mah lipo. This can explain how they get such long flight times yet only doubling capacity. If you use a 4400mah lipo even the best batteries will nearly be double the weight of the stock phantom battery.
If they can get a lithium ion battery tha can discharge at the needed rate at close to 200g that woukd be a huge boost. This could make the vision still be around the 1000g mark with dou ke the battery and so the flight times start to make a bit more sense.
I think I would be getting a new lower shell and battery if thats the case for sure. This way the phantom would be all I need for quite a bit longer.
Sorry - wrong way round, Li- Po batteries
ARE LIGHTER than Lithium Ion per given capacity/discharge ability. It's the two main reasons they have been adopted in RC models...
1. They are lighter
2. They are able to provide huge amounts of current very quickly