Lipo ECU packs can be less than a third of the weight of nicad or nim packs
Fitted with both a balance lead and high quality Mutiplex connector that should suit most ECUs, other plugs types available please feel free to ask
You should charge at 1c, but all cells can cope with in excess of a 10c discharge and are able to cope with ether kero or glow starts useing the correct size pack
1000ma L=67mm x W=34mm x D=11mm
1600ma L=85mm x W=34mm x D=11mm
2200ma L= 106 x W=35 x D=14
3200ma L=139 x W=42mm x D=15mm
Lipo cells "Must" be charged with the appropriate charger if in doubt please feel free to ask